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Jens Grønbech Hansen

Academic employee

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Jens Grønbech Hansen

Academic employee

  • Department of Agroecology - Climate and Water
Postal address:
Blichers Allé 20
8830
Tjele
Denmark

Email: jensg.hansen@agro.au.dk

Mobile: +4524858031

Phone: +4587157718

Publications

Diversity of populations of Phytophthora infestans in relation to patterns of potato crop management in Latvia and Lithuania

Kiiker, R., Skrabule, I., Ronis, A., Cooke, D. E. L., Hansen, J. G., Williams, I. H., Mänd, M. & Runno-Paurson, E., Aug 2019, In : Plant Pathology. 68, 6, p. 1207-1214 8 p.

GRRC report: Puccinia striiformis race analyses/molecur genotyping 2018

Hovmøller, M. S., Rodriguez Algaba, J., Thach, T., Justesen, A. F. & Hansen, J. G., Apr 2019, Applied Crop Protection 2018. Jørgensen, L. N., Nielsen, B. J., Mathiassen, S. K., Hovmøller, M. S., Jensen, P. K., Heick, T. M., Kristjansen, H. S., Hartvig, P. & Sørensen, S. (eds.). Aarhus Universitet - DCA - Nationalt Center for Fødevarer og Jordbrug, Vol. 152. p. 113-121 9 p. (DCA rapport, Vol. 152).

EURORES Eurowheat Fungicide Resistance Network

Kildea, S., Jørgensen, L. N., Heick, T. M., Hansen, J. G., Duvivier, M., Hellin, P., Andersson, B., Samils, B., Legrève, A., Rodemann, B. & Berg, G., 2019.

Global wheat stem rust monitoring: meeting the challenges of re-emerging threat to wheat production

Hodson, D., Jin, Y., Oliverat Firpo, P. D., Szabo, L. J., Hovmøller, M. S., Patpour, M., Nazari, K., Gilligan, C. A., Meyers, M., Hort, M. C., Millington, S., Pretorius, Z. A., Park, R. F., Fetch, Jr., T. G. & Hansen, J. G., Aug 2018.

The role of the Global Rust Reference Center for tracking variability and spread of wheat rust fungi

Hovmøller, M. S., Rodriguez Algaba, J., Thach, T., Patpour, M., Sørensen, C. K., Justesen, A. F., Ali, S., Lassen, P. & Hansen, J. G., Aug 2018.

Epidemics of yellow and stem rust in Southern Italy 2016-2017

Patpour, M., Hovmøller, M. S., Hansen, J. G., Justesen, A. F., Thach, T., Rodriguez Algaba, J., Hodson, D. & Randazzo, B., Apr 2018.

Four azoles' profile in the control of Septoria, yellow rust and brown rust in wheat across Europe

Jørgensen, L. N., Matzen, N., Hansen, J. G., Semaskiene, R., Korbas, M., Danielewicz, J., Glazek, M., Maumene, C., Rodemann, B., Weigand, S., Hess, M., Blake, J., Clark, B., Kildea, S., Batailles, C., Ban, R., Havis, N. & Treikale, O., Mar 2018, In : Crop Protection. 105, p. 16-27 12 p.

Er sortrust på vej tilbage som reelt problem for hvededyrkning i Skandinavien?

Hovmøller, M. S., Sørensen, C. K., Patpour, M., Thach, T., Rodriguez Algaba, J., Hansen, J. G., Lassen, P. & Justesen, A. F., 2018. 1 p.

Wheat rust surveillance and monitoring in Sicily 2016-2018

Randazzo, B., Hansen, J. G., Justesen, A. F., Hovmøller, M. S., Patpour, M., Rodriguez Algaba, J. & Thach, T., 2018.

Yellow Rust Epidemics Worldwide Were Caused by Pathogen Races from Divergent Genetic Lineages

Ali, S., Rodriguez Algaba, J., Thach, T., Sørensen, C. K., Hansen, J. G., Lassen, P., Nazari, K., Hodson, D. P., Justesen, A. F. & Hovmøller, M. S., Jun 2017, In : Frontiers in Plant Science. 8, 14 p., 1057.

SpotIT - IT-solutions for user friendly IPM-tools in management of leaf spot diseases in barley and wheat

Nordskog, B., Ficke, A., Skog, T-E., Veidal, A., Yuen, J., Djurle, A., Andersson, B. L-E., Bergeå, H., Nordström Källström, H., Ronis, A., Semaskiene, R., Jørgensen, L. N., Hansen, J. G., Noe, E. B., Jalli, M. J., Nikander, J., Nissinen, A. & Ørum, J. E., May 2017. 1 p.

Epidemics and control of early & late blight, 2015 & 2016 in Europe

Schepers, H., Hausladen, H., Hansen, J. G., Nielsen, B. J., Abuley, I. K., Andersson, B., Liljeroth, E., Edin, E., Bain, R., Ritchie, F., Gaucher, D., Ivanovic, Z., Blagojevic, J., Kildea, S., Filippov, A., Kuznetsova, M., Hannukkala, A., Eikemo, H., Nærstad, R., Osowski, J., Puidet, B., Musa, T., Gulbis, G., Dorbe, A., Ronis, A., Vogelaar, K. & Vanhaverbeke, P., 2017, Proceedings of the sixteenth EuroBlight Workshop. Wageningen, Vol. 18. p. 11-32 (PPO-Special Report).

IPMBlight2.0: using pathogen population information to improve late blight control

Andrivon, D., Corbiere, R., Hansen, J. G., Eikemo, H., Puidet, B., Gaucher, D., Chatot, C., Aurousseau, F., Barbary, A., Glorvigen, B., Lees, A. & Cooke, D., 2017, Proceedings of the sixteenth EuroBlight Workshop. Wageningen University, Vol. 18. p. 33-38 (PPO-Special Report).

Integration of pathogen and host resistance information in existing DSSs - introducing the IPMBlight2.0 approach

Hansen, J. G., Lassen, P., Hjelkrem, A-G. R., Eikemo, H., Cucak, M., Lees, A., Gaucher, D., Chatot, C. & Kessel, G., 2017, Proceedings of the sixteenth EuroBlight Workshop. Wageningen, Vol. 18. p. 147-158 (PPO-Special Report).

Prediction of Zymoseptoria tritici based weather risk models

Jørgensen, L. N., Ørum, J. E., Nielsen, G. C., Bligaard, J., Hansen, J. G. & Baby, S., Apr 2016. 1 p.

Replacement of the European wheat yellow rust population by new races from centre of diversity in the near-Himalayan region

Hovmøller, M. S., Walter, S., Bayles, R. A., Hubbard, A., Flath, K., Sommerfeldt, N., Leconte, M., Czembor, P., Rodriguez Algaba, J., Thach, T., Hansen, J. G., Lassen, P., Justesen, A. F., Ali, S. & de Vallavielle-Pope, C., Apr 2016, In : Plant Pathology. 65, 3, p. 402-411 10 p.

Molecular markers for tracking the origin and worldwide distribution of invasive strains of Puccinia striiformis

Walter, S., Ali, S., Kemen, E., Nazari, K., Bahri, B. A., Enjalbert, J., Hansen, J. G., Brown, J. K. M., Sicheritz-Ponten, T., Jones, J., de Vallavieille-Pope, C., Hovmøller, M. S. & Justesen, A. F., 20 Mar 2016, In : Ecology and Evolution. 6, 9, p. 2790-2804 15 p.

Forbedret gulrustvarsling med DNA-genotyping

Thach, T., Justesen, A. F., Rodriguez Algaba, J., Hansen, J. G., Lassen, P. & Hovmøller, M. S., 20 Jan 2016, Plantekongres 2016. p. 272-273 2 p.

IPM 2.0 i kartofler - kend din fjende for at vælge det rigtige våben

Hansen, J. G., Nielsen, B. J. & Kessel, G., 20 Jan 2016, Plantekongres 2016. p. 274-275 2 p.

Kulstofindhold og Dexter-indeks på udvalgte Sjællandske gårde

Gislum, R. & Hansen, J. G., 20 Jan 2016, Plantekongres 2016. p. 54-55 2 p.

Beslutningsstøtte med en app til bekæmpelse af kartoffelskimmel

Hansen, J. G., Lassen, P. & Bødker, L., 2016, Plantekongres 2016. p. 140-141 2 p.

Communicating soil carbon science to farmers: Incorporating credibility, salience and legitimacy

Ingram, J., Mills, J., Dibari, C., Ferrise, R., Ghaley, B. B., Hansen, J. G., Iglesias, A., Karaczun, Z., McVittie, A., Merante, P., Molnar, A. & Sanchez, B., 2016, In : Journal of Rural Studies. 48, p. 115-128

Networking of integrated pest management: A powerful approach to address common challenges in agriculture

Lamichhane, J. R., Aubertot, J-N., Begg, G., Birch, A. N. E., Boonekamp, P., Dachbrodt-Saaydeh, S., Hansen, J. G., Hovmøller, M. S., Jensen, J. E., Jørgensen, L. N., Kiss, J., Kudsk, P., Moonen, A-C., Rasplus, J-Y., Sattin, M., Streito, J-C. & Messéan, A., 2016, In : Crop Protection. 89, p. 139-151 13 p.

Septoriamodel med vejrdata versus en Septoria Timer i afgrøden

Bligaard, J., Jørgensen, L. N., Nielsen, G. C., Ørum, J. E., Hansen, J. G., Axelsen, J. A., Baby, S. & Pedersen, L. H., 2016, Plantekongres 2016. p. 136-137 2 p.

Tracking Potato Blight in Europe

Hansen, J. G., 2016, In : International Pest Control. 58, 5, p. 278-280

Triazolers effekt i Danmark og andre europæiske lande

Jørgensen, L. N., Matzen, N., Hansen, J. G. & Lassen, P., 2016, Plantekongres 2016. p. 132-133 2 p.

Vejrets indflydelse på udvikling af kartoffelskimmel

Nielsen, N. W. & Hansen, J. G., 2016, In : Vejret. 148, p. 1-11

The Wheat Rust Toolbox: Management and visualization of global wheat rust data

Hansen, J. G., Lassen, P., Hodson, D. & Hovmøller, M., Jul 2015, Abstracts : 14th International Cereal Rusts and Powdery Mildews Conference 2015. p. 25-25 1 p.

A decade of stem rust surveillance: How far have we come and where are we going?

Hodson, D., Park, R. F., Hansen, J. G., Lassen, P., Nazari, K., Jin, J. H., Hovmøller, M. S., Szabo, L., Pretorius, Z. A., Fetch, T., Meyer, M., Cox, J. A., Gilligan, C. A., Burgin, L. & Hort, M., 2015.

Epidemics and control of early & late blight, 2013 & 2014 in Europe

Jens G. Hansen; Faye Ritchie; Steven Kildae; Louise Cooke, Gillian Young; Alexey Filippov, Asko Hannukkala; Hans Hausladen; Ervin Hausvater, & Arne Hermansen, Ragnhild Nærstad, Jozefa Kapsa, Eve Runno-Paurson, Mati Koppel, Tomke Musa, Guntis Gulbis, Antanas Ronis, Kees Vogelaar, Jan Spoelder, Bert Evenhuis, Pieter Vanhaverbeke, 2015, In : PPO - Special Report. 17, p. 11-30

Hvordan kan vi blive bedre til at bekæmpe Septoria?

Jørgensen, L. N., Nielsen, G. C., Hansen, J. G. & Ørum, J. E., 2015, Plantekongres 2015. Seges, AU og KU, p. 216-217

Replacement of the European wheat yellow rust population

Hovmøller, M. S., Walter, S., Bayles, R., Amelia Hubbard, A., Flath, K., Sommerfeldt, N., Leconte, M., Rodriguez Algaba, J., Hansen, J. G., Lassen, P., Justesen, A. F., Ali, S. & de Vallavieille-Pope, C., 2015. 1 p.

Se skimmelfund og infektionstryk på ny app

Hansen, J. G., 2015, In : Magasinet Danske Kartofler. maj 2015, p. 6-7

Værktøjskasse med skimmelstyring

Nielsen, B. J., Hansen, J. G. & Bødker, L., 2015, In : Magasinet Danske Kartofler. p. 20-23

Denmark's investment in the Global Rust Reference Center (GRRC)

Hovmøller, M. S., Justesen, A. F., Sørensen, C. K., Ali, S., Patpour, M., Chen, Y-J., Walter, S., Thach, T., Rodriguez Algaba, J., Lassen, P. & Hansen, J. G., 2014, p. 1-1. 1 p.

Early warning for yellow rust – tools and services provided by the wheat rust toolbox

Hansen, J. G., Nazari, K., Hodson, D., Lassen, P. & Hovmøller, M. S., 2014.

Gulrust i hvede - nuværende og kommende udfordringer

Hovmøller, M. S., Justesen, A. F. & Hansen, J. G., 2014, Plantekongres 2014: Sammendrag af indlæg. p. 134-137 4 p.

IPM strategies and their dilemmas including an introduction to www.Eurowheat.org

Jørgensen, L. N., Hovmøller, M. S., Hansen, J. G., Lassen, P., Clark, B., Bayles, R., Rodemann, B., Flath, K., Jahn, M., Goral, T., Czembor, J., Cheyron, P., Maumene, C., Pope, C. D., Ban, R., Nielsen, G. C. & Berg, G., 2014, In : Journal of Integrative Agriculture. 13, 2, p. 265-281 17 p.

Monitoring the Danish population of potato late blight pathogen, Phytophthora infestans in 2011-2012 and occurrence of 13_A2

Nielsen, B. J., Cooke, D. E. L. & Hansen, J. G., 2014, Proceedings of the fourteenth EuroBlight Workshop: PPO Special Report . Vol. 16. p. 159-162 4 p. (Special report).

Prediction of Zymoseptoria tritici based historical weather data

Jørgensen, L. N., Ørum, J. E., Nielsen, G. C., Bligaard, J. & Hansen, J. G., 2014, 11th Conference of the European Foundation for Plant Pathology : Healthy plants - healthy people. p. 86-86 1 p.

The development and control of Late Blight (Phytophtora infestant) in Europe in 2012

Hansen, J. G., Andersson, B., Bain, R., Lees, A., Ritchie, F., Kildea, S., Cooke, L., Filippov, A., Hannukkala, A., Hausladen, H., Hausvater, E., Heldak, J., Vrabcek, P., Hermansen, A., Nærstad, R., Kapsa, J., Koppel, M., Musa, T., Ronis, A., Schepers, H., Vogelaar, K., Vanhaverbeke, P. & Kanetis, L., 2014, Proceedings of the fourteenth EuroBlight Workshop: PPO Special Report . Vol. 16. p. 11-25 (Special report).

Barberry rust survey – developing tools for diagnosis, analysis and data management

Justesen, A. F., Hansen, J. G., Hovmøller, M. S., Lassen, P., Rodriguez Algaba, J., Hodson, D. P., Patpour, M., Nasab, H. R., Aslanova, K., Rahmatov, M., Sikharulidze, Z. & Nazari, K., 2013. 1 p.

Managing global crop disease data

Hansen, J. G. & Lassen, P., 2013, Proceedings from EFITA-WCCA-CIGR Conference: Sustainable Agriculture through ICT Innovation.

Wheat Rust Information Resources - Integrated tools and data for improved decision making

Hodson, D., Hansen, J. G., Lassen, P., Kosina, P. & Nazari, K., 2013. 1 p.

Early outbreak of potato late blight in Denmark 2011

Nielsen, B. J., Bødker, L. & Hansen, J. G., 2012, PPO-Special Report No 15 Applied Plant Reseach: Proceedings of 13th EuroBlight Workshop. Schepers, H. T. A. M. (ed.). AGV Research Unit, p. 93-99

EuroWheat.ORG - Support for integrated disease management in wheat

Jørgensen, L. N., Hovmøller, M. S., Hansen, J. G., Lassen, P., Clark, B., Bayles, R., Rodemann, B., Flath, K., Jahn, M., Goral, T., Czembor, J., Cheyron, P., Maumene, C., De Pope, C., Ban, R., Nielsen, G. C. & Berg, G., 2012, In : NJF Report. 8, p. 32 1 p.

Fighting an age-old enemy with new tools: modern technology and global cereal rust monitoring

Hodson, D., Hansen, J. G., Lassen, P., Arista, J., Sonder, K. & Alemayehu, Y., 2012, Proceeding from 13th ICRPMC: Disease Risk and Food Security. 1 p.

Global Rust Reference Center - Perspectives and services

Hovmøller, M. S., Justesen, A. F., Walter, S., Lassen, P. & Hansen, J. G., 2012. 207 p.

ICT framework for global wheat rust surveillance and monitoring

Hansen, J. G., Lassen, P., Hovmøller, M. S. & Hodson, D., 2012.

Making Sense of Phytophthora infestans diversity at national and international scales

Cooke, D. E. L., Lees, A. K., Lassen, P. & Hansen, J. G., 2012, PPO-Special Report No 15 Applied Plant Research: Proceedings of 13th EuroBlight Workshop. Schepers, H. T. A. M. (ed.). AGV Research Unit, p. 37-45

The Wheat Rust Toolbox: supporting the integration, management and dissemination of global wheat rust data

Hansen, J. G., Lassen, P. & Hodson, D., 2012.

The development and control of Late Blight (Phytophthora infestans) in Europe in 2010 and 2011

Hansen, J. G., Andersson, B., Bain, R., Ritchie, F., Gulbis, G., Kildea, S., Cooke, L., Dubois, L., Chatot, C., Filippov, A., Hannukkala, A., Hausladen, H., Hausvater, E., Heldak, J., Vrabcek, P., Hermansen, A., Nærstad, R., Kapsa, J., Koppel, M., Lees, A., Musa, T., Ronis, A., Schepers, H., Vogelaar, K. & Vanhaverbeke, P., 2012, PPO Special Report No 15 Applied Plant Research: Proceedings of the 13th EuroBlight Workshop. Schepers, H. T. A. M. (ed.). AGV Research Unit, p. 11-31

Tracking the Wheat Rust Pathogen

Hodson, D. P., Hansen, J. G., Lassen, P., Alemayehu, Y., Arista, J., Sonder, K., Kosina, P., Moncada, P., Nazari, K., Park, R. F., Pretorius, Z. A., Szabo, L. J., Fetch, T. & Jin, Y., 2012, Proceedings Borlaug Global Rust Initiative 2012 Technical Workshop: Oral Presentations. McIntosh, R. (ed.). bgri@cornell.edu

Wheat Rust Toolbox Related to New Initiatives on Yellow Rust

Hansen, J. G. & Lassen, P., 22 Jun 2011. 1 p.

Genetic analysis of Phytophthora infestans populations in the Nordic European countries reveals high genetic variability

Brurberg, M. B., Elameen, A., Le, V. H., Nærstad, R., Hermansen, A., Lehtinen, A., Hannukkala, A., Nielsen, B. J., Hansen, J. G., Andersson, B. & Yuen, J., 1 May 2011, In : Fungal Biology. 115, 4-5, p. 335-342 8 p.

Epidemiology and integrated control of potato late blight in Europe

Cooke, L. R., Schepers, H. T. A. M., Hermansen, A., Bain, R. A., Bradshaw, N. J., Shaw, D. S., Evenhuis, A., Kessel, G. J. T., Wander, J. G. N., Anderson, B., Hansen, J. G., Nukkala, A., Nærstad, R. & Nielsen, B. J., May 2011, In : Potato Research. 54, p. 183-222

Behovsbestemt bekæmpelse af kartoffelskimmel

Nielsen, B. J., Hansen, H., Bødker, L., Hansen, J. G. & Pedersen, H., 2011, Plantekongres 2011: Sammendrag af indlæg. Aarhus Universitet, Det Jordbrugsvidenskabelige Fakultet, p. 235-236 2 p.

Putting Ug99 on the map: An update on current and future monitoring

Hodson, D. P., Nazari, K., Park, R. F., Hansen, J. G., Lassen, P., Arista, J., Fetch, T., Houmøller, M. S., Jin, Y., Pretorius, Z. A. & Sonder, K., 2011, Proceedings BGRI 2011 Technical Workshop. McIntosh, R. (ed.). p. 3-13

Vedrørende initiativer og forskningsprojekter i relation til klimatilpasning i landbruget

Olesen, J. E. & Hansen, J. G., 25 Nov 2010, 3 p.. No. 751522 & 751522a, Nov 25, 2010.

Bekæmpelse af kartoffelskimmel

Nielsen, B. J., Bødker, L., Hansen, H., Hansen, J. G. & Pedersen, H., 2010, Plantekongres 2010: Sammendrag af indlæg. Aarhus Universitet, Det Jordbrugsvidenskabelige Fakultet, p. 202-204 3 p.

Control of potato late blight using a dose model to adjust fungicide input

Nielsen, B. J., Bødker, L. & Hansen, J. G., 2010, In : PPO-Special Report. 14, p. 187-192

Eine neue Internetplattform zur Verbreitung aktuellen Wissens zur integrierten Krankheitsbekämpfung in Winterweizen in Europa

Jørgensen, L. N., Hovmøller, M. S., Hansen, J. G., Lassen, P., Clark, B., Bayles, R., Rodemann, B., Jahn, M., Flath, K., Goral, T., Czembor, J., du Cheyron, P., Maumene, C., de Pope, C. & Nielsen, G. C., 2010.

Epidemics and control of late blight in 2009 in European countries

Hansen, J. G., 2010. 1 p.

EuroBlight tool for the comparison of late blight sub-models - Status and perspectives

Hansen, J. G., Kessel, G., Narstad, R., Schepers, H., Nielsen, B. J. & Lassen, P., 2010, In : PPO-Special Report. 14, p. 67-74

EuroWheat.org - A Support to Integrated Disease Management in Wheat

Jørgensen, L. N., Hovmøller, M. S., Hansen, J. G., Lassen, P., Clark, B., Bayles, R., Rodemann, B., Jahn, M., Flath, K., Goral, T., Czembor, J., du Cheyron, P., Maumene, C., de Pope, C. & Nielsen, G. C., 2010, In : Outlooks on Pest Management (Print). 21, 4, p. 173-176 4 p.

EuroWheat.org: a new research-based website supporting integrated disease management in wheat

Jørgensen, L. N., Hovmøller, M. S., Hansen, J. G., Lassen, P., Clark, B., Bayles, R., Rodemann, B., Jahn, M., Flath, K., Goral, T., Czembor, J., du Cheyron, P., Maumene, C., de Pope, C. & Nielsen, G. C., 2010, In : From Science to Field - Wheat Case Study Guide. 3, p. 1-4 4 p.

Eurowheat - Information on Mycosphaerella graminicola in an European perspective

Jørgensen, L. N., Houmøller, M. S., Hansen, J. G., Lassen, P., Clark, B., Bayles, R., Rodemann, B., Jahn, M., Flath, K., Goral, T., Czembor, J., du Cheyron, P., Maumene, C., de Pope, C., Bán, R., Nielsen, G. C. & Berg, G., 2010, EPPO Workshop on Azole fungicides and Septoria leaf blotch control - summaries of presentations and posters. p. 35 1 p.

Eurowheat - Supporting IPM in wheat, including information on Fusarium head blight

Jørgensen, L. N., Hansen, J. G., Bayles, R., Rodemann, B., Goral, T. & Cheyron, P., 2010, Fusarium - Mycotoxins, Taxonomy, Pathogenicity and Host Resistance. Plant Breeding and Acclimatization Institute, Radzikov, p. 323 1 p.

Global Cereal Rust Monitoring System - New Tools for Old Diseases

Hodson, D., Hansen, J. G., Lassen, P., Hovmøller, M. S., Arista, J., Nazari, K. & Park, R., 2010.

Pathotype tracker

Hansen, J. G., Lassen, P. & Hovmøller, M. S., 2010

Report of subgroup epidemiology and decision support systems

Kessel, G. J. T. & Hansen, J. G., 2010, In : PPO-Special Report. 14, p. 159-160

The development and control of Late Blight (Phytophthora infestans) in Europe in 2009

Hansen, J. G., Anderson, B., Bain, R., Lees, A., Bugiano, R., Ritchie, F., Bucena, L., Kildea, S., Cooke, L., Dubois, L., Filippov, A., Hannukkala, A., Hausladen, H., Hausvater, E., Heldak, J., Hermansen, A., Narstad, R., Kapsa, J., Koppel, M., Musa, T., Ronis, A., Schepers, H., Vogelaar, K. & Vanhaverbeke, P., 2010, In : PPO-Special Report. 14, p. 17-34

Aggressiveness of Phytophthora infestans on detached potato leaflets in four Nordic countries

Lehtinen, A., Andersson, B., Le, V. H., Nærstad, R., Rastas, M., Ketoja, E., Hannukkala, A. O., Hermansen, A., Nielsen, B. J., Hansen, J. G. & Yuen, J., 2009, In : Plant Pathology. 58, 4, p. 690-702

Climate change on the late blight development and control in Denmark?

Hansen, J. G., Nielsen, B. J. & Bødker, L., 2009, In : PPO-Special Report. 384, p. 107-114

From a European to a global database of Phytophthora Infestans genetic diversity: Examining the nature and significance of population change

Cooke, D. E. L., Lees, A. K., Hansen, J. G., Lassen, P., Andersson, B. & Bakonyi, J., 2009, In : Acta Horticulturae. 834, p. 19-26

Improvement of potato late blight forecasting

Nærstad, R., Le, V. H., Hermansen, A., Hannukkala, A., Nielsen, B. J., Hansen, J. G., Grönberg, L., Andersson, B. & Yuen, J., 2009, In : PPO-Special Report. 384, p. 103-106

Measures to reduce GHG emissions and their mitigation potential for different farm types in Denmark

Hansen, J. G., Olesen, J. E. & Hermansen, J. E., 2009.

New "organic rules and certification" database

Melby Jespersen, L. & Hansen, J. G., 2009.

New "organic rules and certification" database

Melby Jespersen, L. & Hansen, J. G., 2009.

The development and control of Late Blight (Phytophthora infestans) in Europe in 2007 and 2008

Hansen, J. G., Andersson, B., Bain, R., Schmiedl, J., Soellinger, J., Ritchie, F., Bucena, L., Cakir, E., Cooke, L., Dubois, L., Filippov, A., Hannukkala, A., Hausladen, H., Hausvater, E., Heldak, J., Hermansen, A., Kapsa, J., Pliakhnevich, M., Koppel, M., Lees, A., Musa, T., Ronis, A., Schepers, H., Vogelaar, K. & Vanhaverbeke, P., 2009, In : PPO-Special Report. 384, p. 11-30

The role of oospores in the epidemiology of potato late blight

Andersson, B., Widmark, A. -K., Yuen, J. E., Nielsen, B., Ravnskov, S., Kessel, G. J. T., Evenhuis, A., Turkensteen, L. J., Hansen, J. G., Lehtinen, A., Hermansen, A., Brurberg, M. -B. & Nordskog, B., 2009, In : Acta Horticulturae. 834, p. 61-68

Web tool for test and comparison of weather based disease models

Hansen, J. G., Lassen, P., Schepers, H., Kessel, G. & Nielsen, B. J., 2009. 1 p.

Forbedret mulighed for reduktion af fungicidforbruget i kartofler

Nielsen, B. J., Hansen, J. G., Thysen, I., Pinnschmidt, H., Plauborg, F., Broge, N. H., Bødker, L., Møller, L. & Nielsen, N. W., 2008, Miljøstyrelsen. 128 p. (Bekæmpelsesmiddelforskning fra Miljøstyrelsen; No. 117).

From a European to a global database of P. infestans genetic diversity: examining the nature and significance of population change

Cooke, D. E. L., Lees, A. K., Hansen, J. G., Lassen, P., Andersson, B. & Bakonyi, J., 2008, Program and Abstracts. CIP, p. 15

Molecular tools for analysis of populations of Phytophthora infestans at a local and global scale

Cooke, D. E. L., Lees, A. K., Zhan, J., Hansen, J. G., Lassen, P. & Birch, P. R. J., 2008, Proceedings of the Global Potato Conference. p. 273-274

Phenotypic variation in Nordic populations of Phytophthora infestans in 2003

Lehtinen, A., Hannukkala, A., Andersson, B., Hermansen, A., Le, V. H., Nærstad, R., Brurberg, M. B., Nielsen, B. J., Hansen, J. G. & Yuen, J., 2008, In : Plant Pathology. 57, 2, p. 227–234 8 p.

Phytophthora.exe ver 2.0: PC-program for the storage and upload of Phytophthora infestans insolate information to the EUCABLIGHT database: User manual

Hansen, J. G., Lassen, P., Cooke, D. & Lees, A., 2008, Aarhus Universitet, Det Jordbrugsvidenskabelige Fakultet. 49 p. (DJF internal report; No. 15).

Release and infectivity of Phytophthora intestans sporangia under field conditions

Nielsen, B. J., Hansen, J. G., Pinnschmidt, H., Nærstad, R., Hermansen, A., Le, V. H., Hannukkala, A. & Bødker, L., 2008, Program and Abstracts. CIP, p. 32

The role of oospores in the epidemiology of potato late blight

Andersson, B., Yuen, J. E., Kessel, G. J. T., Evenhuis, B., Turkensteen, L. J., Hannukkala, A., Lehtinen, A., Nielsen, B. J., Ravnskov, S., Hansen, J. G., Hermansen, A., Brurberg, M-B. & Nordskog, B., 2008, Program and Abstracts. CIP, p. 18

Use of internet tools to support international collaboration on potato late blight

Hansen, J. G. & Lassen, P., 2008, Program and Abstracts. CIP, p. 32

Variability in the Nordic Phytopththora intestans population

Hermansen, A., Brurberg, M. B., Le, V. H., Abdelhameed, E., Nærstad, R., Andersson, B., Hannukkala, A., Lehtinen, A., Nielsen, B. J., Hansen, J. G. & Yuen, J., 2008, Program and Abstracts. CIP, p. 19

Analysis of EEC Regulation 2092/91 in relation to other national and international organic standards

Schmid, O., Huber, B., Ziegler, K., Melby Jespersen, L., Hansen, J. G., Plakolm, G., Gilbert, J., Lomann, S., Micheloni, C. & Padel, S., 2007, Report from the EU FP 6 project Organic Revision (EEC 2092/91 REVISION), 144 p.

EUCABLIGHT one year on: an update on the European blight population database

Cooke, D. E. L., Lees, A. K., Hansen, J. G., Lassen, P., Andersson, B. & Bakonyi, J., 2007, Proceedings of the Tenth Workshop of an European network for development of an integrated control strategy of potato late blight. Schepers, H. T. A. M. (ed.). Applied Plant Research, p. 129-135 (Special report; No. 12).

Eucablight - collating and analysing pathogenicity and resistance dataon a European scale

Hansen, J. G., Colon, L. T., Cooke, D. E. L., Lassen, P., Nielsen, B. J., Cooke, L. R., Andrivon, D. & Lees, A. K., 2007, In : E P P O Bulletin. 37, p. 383-390 8 p.

Evolving populations of potato late blight pathogen Phytophthora intestans - does climate change matter?

Andrivon, D., Andersson, B., Hannukkala, A., Hermansen, A. & Hansen, J. G., 2007, New and old pathogens of potato in changing climate. Hannukkala, A. & Segerstedt, M. (eds.). MTT, p. 10-11 (Agrifood Research Working papers; No. 142).

Genetic variability of Phytophthora intestans in Nordic countries

Brurberg, M. B., Hermansen, A., Abdelhameed, E., Le, V. H., Andersson, B., Hannukkala, A., Nielsen, B. J., Hansen, J. G. & Yuen, J., 2007, Proceedings of the Tenth Workshop of an European network for development of an integrated control strategy of potato late blight. Schepers, H. T. A. M. (ed.). Applied Plant Research, p. 153-153 (Special report; No. 12).

NorPhyt - studies on the Nordic blight population

Hannukkala, A., Lehtinen, A., Andersson, B., Hermansen, A., Le, V. H., Nærstad, R., Brurberg, M. B., Nielsen, B. J., Hansen, J. G. & Yuen, J., 2007, New and old pathogens of potato in chaning climate. Hannukkala, A. & Segerstedt, M. (eds.). MTT, p. 21 (Agrifood Research Working papers; No. 142).

PlanteInfo - trends and perspectives after 10 years

Thysen, I., Jensen, A. L. & Hansen, J. G., 2007, NJF 23rd Congress 2007: Trends and perspectives in agriculture. Lund, M., Larsen, T. U., Thøgersen, J. O., Christensen, S., Børsting, C., Plauborg, F., Munkholm, L. J., Olesen, J. E., Callesen, O., Askegaard, M., Hansen, J. G. & Hvelplund, T. (eds.). Nordic Association of Agricultural Scientists, Vol. 3. p. 203-204 2 p. (NJF Report; No. 2, Vol. 3).

Skimmelsporer - betingelser for spredning og infektion

Nielsen, B. J., Hansen, J. G., Thysen, I., Nielsen, N. W., Bødker, L., Møller, L., Hansen, H., Bruun, S., Lilholt, J. T., Larsen, A-P., Pham, T. H. A., Pinnschmidt, H. & Ravnskov, S., 2007, Plantekongres 2007: Sammendrag af indlæg. Aarhus Universitet, Det Jordbrugsvidenskabelige Fakultet, p. 335-337 3 p.

Status vedrørende beslutningsstøtte for skimmelbekæmpelse

Hansen, J. G., Nielsen, B. J. & Hansen, H., 2007, Sammendrag af indlæg: Plantekongres 2007. Aarhus Universitet, Det Jordbrugsvidenskabelige Fakultet, p. 333-334 2 p.

Studies of release and infectivity of Phytophthora infestans sporangia under field condition

Nielsen, B. J., Hansen, J. G., Pinnschmidt, H., Nærstad, R., Hermansen, A., Le, V. H. & Hannukkala, A., 2007, Proceedings of the Tenth Workshop of an European network for development of an integrated control strategy of potato late blight. Schepers, H. T. A. M. (ed.). Applied Plant Research, p. 211-219 (PPO - Special Report; No. 12).

The development and control of Phytophthora infestans in Europe in 2006

Hansen, J. G., Andersson, B., Bain, R., Besenhofer, G., Bradshaw, N., Bucena, L., Bugiani, R., Cakir, E., Cooke, L., Dubois, L., Filippov, A., Hannukkala, A., Hausladen, H., Hauswater, E., Heldak, J., Hermansen, A., Kapsa, J., Koppel, M., Lebecka, R., Lees, A., Musa, T., Nugtern, W., Ronis, A., Schepers, H. & Vanhaverbeke, P., 2007, Proceedings of the Tenth Workshop of an European network for development of an integrated control strategy of potato late blight. Schepers, H. T. A. M. (ed.). Applied Plant Research, p. 13-25 (Special report; No. 12).

Tracking P. intestans populations via molecular finger-printing and comprehensive isolate database

Cooke, D. E. L., Lees, A. K., Hansen, J. G., Lassen, P., Andersson, B. & Bakonyi, J., 2007, New and old pathogens of potato in chaning climate. Hannukkala, A. & Segerstedt, M. (eds.). MTT, p. 14 (Agrifood Research Working papers; No. 142).

Use of Burchard spore traps and trap plants for the validation of a late blight simulation model

Hansen, J. G. & Nielsen, B. J., 2007, NJF 23rd Congress 2007: Trends and perspectives in agriculture. Lund, M., Larsen, T. U., Thøgersen, J. O., Christensen, S., Børsting, C., Plauborg, F., Munkholm, L. J., Olesen, J. E., Callesen, O., Askegaard, M., Hansen, J. G. & Hvelplund, T. (eds.). Nordic Association of Agricultural Scientists, Vol. 3. p. 424-425 2 p. (NJF Report; No. 2, Vol. 3).

Blight management in the Nordic countries

Hansen, J. G., Nielsen, B. J., Bødker, L., Andersson, B., Yuen, J., Wiik, L., Hermansen, A., Nærstad, R., Le, V. H., Brurberg, M. B., Hannukkala, A. & Lehtinen, A., 2006, Proceedings of the Ninth Workshop of an European network for development of an integrated control strategy of potato late blight. Westerdijk, C. E. & Schepers, H. T. A. M. (eds.). Applied Plant Research, p. 39-52 14 p. (Special report; No. 11).

Changes in P. infestans biology in a Pan-European context

Cooke, D. E. L., Andersson, B., Bakonyi, J., Hansen, J. G., Lassen, P. & Lees, A. K., 2006, Integrated control of Potato Late Blight in the Nordic and Baltic Countries. p. 16-16 1 p. (NJF Report; No. 9, Vol. 2).

Database to compare standards

Huber, B., Hansen, J. G., Schmid, O. & Ziegler, K., 2006, In : The Organic Standard. 68, p. 12-13 2 p.

Decision support systems in the Nordic countries

Hansen, J. G., Hermansen, A. & Nærstad, R., 2006, Integrated control of Potato Late Blight in the Nordic and Baltic Countries. p. 42-42 1 p. (NJF Report; No. 9, Vol. 2).

EU-lande i fælles front mod kartoffelskimmel

Hansen, J. G., Lassen, P., Nielsen, B. J., Bødker, L., Kirk, H. G. & Bach, I., 2006, In : Planteforskning.dk. 5 p.

EUCABLIGHT: progress in characterising Europeam P. intestans populations

Cooke, D. E. L., Lees, A. K., Hansen, J. G., Lassen, P., Andersson, B. & Bakonyi, J., 2006, Proceedings of the Ninth Workshop of an European network for development of an integrated control strategy of potato late blight. Westerdijk, C. E. & Schepers, H. T. A. M. (eds.). Applied Plant Research, p. 143-150 8 p. (Special report; No. 11).

Entry and transfer of host resistance information to EUCABLIGHT database: User manual

Hansen, J. G., Lassen, P. & Colon, L., 2006, Aarhus Universitet, Det Jordbrugsvidenskabelige Fakultet. 62 p. (Internal report, Plant production; No. 1).

Eucablight - demonstrating new tools for collating and analysing plant pathology data on European scale

Hansen, J. G., Hermansen, A., Colon, L. T., Cooke, D. E. L., Andersson, B., Nielsen, B. J., Darsow, U., Bakonyi, J., Lassen, P. & Lees, A. K., 2006. 1 p.

Eucablight - demonstrating new tools for collating and analysing plant pathology data on a European scale

Hansen, J. G., Hermansen, A., Colon, L. T., Cooke, D. E. L., Andersson, B., Nielsen, B. J., Darsow, U., Bakonyi, J., Lassen, P. & Lees, A. K., 2006, Sustainable disease management: the European perspective. The Royal Veterinary and Agricultural University, p. 41 1 p.

Information that DSS builders can find in the Eucablight database

Colon, L. T., Cooke, D. E. L., Hansen, J. G., Lassen, P., Kessel, G. & Lees, A. K., 2006, Proceedings of the Ninth Workshop of an European network for development of an integrated control strategy of potato late blight. Westerdijk, C. E. & Schepers, H. T. A. M. (eds.). Applied Plant Research, p. 23-28 6 p. (Special report; No. 11).

Methods and results on characterisation of host resistance as generated by Eucablight

Hansen, J. G. & Nielsen, B. J., 2006, Integrated control of Potato Late Blight in the Nordic and Baltic Countries. p. 25-25 1 p. (NJF Report; No. 9, Vol. 2).

Organic Rules Database: to support revision of the EU Regulation on organic agriculture

Hansen, J. G., Alrøe, H. & Schmid, O., 2006. 2 p.

Phytophthora.exe ver 1.1: PC-program for the storage and upload of Phytophthora infestans isolate information to the EUCABLIGHT database. User manual

Hansen, J. G., Lassen, P., Cooke, D. & Lees, A., 2006, Aarhus Universitet, Det Jordbrugsvidenskabelige Fakultet. 46 p. (Internal Report, Plant production; No. 2).

Report of the EU.NET.ICP subgroup meeting Decision support systems Tallinn, October 2005

Kessel, G. J. T. & Hansen, J. G., 2006, Ninth workshop of an European network for development of an integrated control strategy of potato late blight. Westerdijk, C. E. & Schepers, H. T. A. M. (eds.). Applied Plant Research, p. 141-142 2 p. (Special report; No. 11).

Spredning af kartoffelskimmel og nye planteværnsmodeller

Nielsen, B. J., Hansen, J. G., Thysen, I., Nielsen, N. W., Bødker, L., Broge, N. H. & Møller, L., 2006, Sammendrag af indlæg. Aarhus Universitet, Det Jordbrugsvidenskabelige Fakultet, p. 286-287 2 p.

EUCABLIGHT - et EU-projekt om kartoffelskimmel

Hansen, J. G., Lassen, P., Kirk, H. G. & Nielsen, B. J., 2005, Sammendrag af indlæg. Aarhus Universitet, Det Jordbrugsvidenskabelige Fakultet, p. 172-173 2 p.

EUCABLIGHT database: Collecting, storing and analysing data related to potato late blight

Lassen, P. & Hansen, J. G., 2005, 5th Conference of the 'European Federation for Information Technology in Agriculture, Food and Environment'. Vila Real, Portugal, July 25-28. ISBN 972-669-646-1. p. 575-582 8 p.

Eucablight: a late blight network for Europe

Colon, L. T., Cooke, D. E. L., Hansen, J. G., Lassen, P., Andrivon, D., Hermansen, A., Zimnoch-Guzowska, E. & Lees, A. K., 2005, Haverkort, A.J. & Struik, P.C.,(eds.). Potato in progress. Science meets practice. Wageningen Academic Publishers. ISBN. Vol. 9076998841. p. 290-298

Europæisk samarbejde om kartoffelskimmel

Hansen, J. G., Nielsen, B. J., Bødker, L. & Kirk, H. G., 2005, In : Nyheder, Danmarks Jordbrugsforskning. 2005, 3 p.

Evaluation of foliar resistance in potato to Phytophthora infestans based on an international field trial network

Hansen, J. G., Koppel, M., Valskyte, A., Turka, I. & Kapsa, J., 2005, In : Plant Pathology. 54, p. 169-179 11 p.

Intensiv forskning om kartoffelskimmel

Hansen, J. G. & Nielsen, B. J., 2005, In : Kartoffelproduktion. 3, p. 14-16 3 p.

Late blight modelling within the NorPhyt project

Hansen, J. G., Andersson, B. & Yuen, J., 2005, Plant Disease Epidemiology: Facing 21st Century Challenges. p. 248-248 1 p.

Strategier til bekæmpelse af kartoffelskimmel: Nye resultater fra bl.a. NorPhyt-projektet

Nielsen, B. J. & Hansen, J. G., 2005, Sammendrag af indlæg. Aarhus Universitet, Det Jordbrugsvidenskabelige Fakultet, p. 170-171 2 p.

Studies on the new Nordic population of Phytophthora Infestans to improve late blight forecasting and control

Hansen, J. G., Nielsen, B. J., Bødker, L., Andersson, B., Yuen, J., Wiik, L., Hermansen, A., Nærstad, R., Le, V. H., Brurberg, M. B., Hannukkala, A. & Lehtinen, A., 2005, 16th Triennial Conference of the EAPR. p. 228-229 2 p.

The EUCABLIGHT late blight resistance database

Zimnoch-Guzowska, E., Colon, L. T., Nielsen, B. J., Darsow, U., Hansen, J. G. & Lees, A. K., 2005, 16th Triennial Conference of the EAPR. p. 220-222 3 p.

Establishment of a monitoring network for potato late blight (Phytopophthora infestans) in Poland

Kapsa, J. & Hansen, J. G., 2004, In : Plant Breeding and Seed Science. 50, p. 63-70 8 p.

Reliability of different parameters to estimate relative foliage blight resistance and its relation to maturity in potato

Darsow, U. & Hansen, J. G., 2004, In : Plant Breeding and Seed Science. 50, p. 81-93 13 p.

Hvornår er det skimmelvejr? Følg med i under hvilke vejrforhold der er størst risiko for vækst i skimmel i kartofler

Hansen, J. G., 2003, In : Kartoffelnyt. 49, p. 3-3 1 p.

Implementation of Internet based decision support systems in Estonia, Latvia, Lithuania and Poland

Lassen, P., Bøjer, O. Q., Hansen, J. G., Jensen, A. L. & Thysen, I., 2003, EFITA 2003 Conference. <Forlag uden navn>, p. 59-66 8 p.

Implementation of the NegFry decision support system in Baltic countries in 1999-2002

Koppel, M., Hansen, J. G., Lassen, P., Turka, I., Bimsteine, G. & Valskyte, A., 2003, Proc. tth Workshop of an European network for development of an integrated control strategy of potato late blight. p. 47-58 12 p. (Applied Plant Research, Special Report; No. 9).

Internationale projekter ved Danmarks JordsbrugsForskning

Hansen, J. G. & Nielsen, B. J., 2003, In : Kartoffelnyt. 49, 1 p.

Late blight epidemiology and warning systems in the Nordic contries

Hannukkala, A., Hansen, J. G., Hermansen, A., Andersson, B. & Bødker, L., 2003, Nordic Agriculture in Global Perspektive. p. 5-5 1 p.

Udvikling af Skimmelstyring for bekæmpelse af kartoffelskimmel

Hansen, J. G., Thysen, I., Nielsen, B. J., Bødker, L. & Hansen, H., 2003. 18 p.

Undersøgelse af sporulering og sporangiefrigørelse hos Phytophthora infestans under markforhold ved Flakkebjerg 2002

Bay, A., Bødker, L. & Hansen, J. G., 2003, 20. Danske Planteværnskonference: Korn, kartofler, skadedyr, miljø og postere. Danmarks JordbrugsForskning, p. 31-47 17 p. (DJF Rapport - Markbrug; No. 89).

Validation and adaptation of a Danish Decision Support System for crop protection in Lithuania, Estonia, Latvia and Poland

Høstgaard, M. B., Hagelskjær, L., Hansen, J. G., Hansen, L. M., Jørgensen, L. N., Lassen, P., Rydahl, P., Thysen, I. & Wolffhechel, H., 2003, Proc. Crop Protection Conf. for the Baltic Sea Region, 28-29 April 2003. Poznan. DIAS report Plant Production 96. Wolffhechel, H. (ed.). p. 93-102 10 p. (DIAS report Plant Production; No. 96).

Web-blight - regional late blight monitoring and variety resistance information on Internet

Hansen, J. G., Lassen, P., Koppel, M., Valskyte, A., Turka, I. & Kapsa, J., 2003, Proceedings og the Crop Protection Conference for the Baltic Sea Region. p. 194-195 2 p. (DIAS report; No. 96).

Web-blight - regional late blight monitoring and variety resistance information on Internet

Hansen, J. G., Lassen, P., Koppel, M., Valskyte, A., Turka, I. & Kapsa, J., 2003, In : Journal of Plant Protection Research. 43, 3, p. 263-273 11 p.

Evaluering af risikotal for udvikling af kartoffelskimmel (Phytophthora infestans)

Hansen, J. G., 2002, 70 p. (DJF intern rapport; No. 167).

Implementation of variety resistance in control strategies of potato late blight

Hansen, J. G., Bødker, L. & Nielsen, B. J., 2002, Proceedings of the 6th Workshop of an European network for development of an integrated control strategy of potato late blight. Schepers, H. T. A. M. & Westerdijk, C. E. (eds.). p. 111-123 13 p. (APR Special report; No. 8).

Operational use of Internet based decision support for the control of potato late blight in Estonia, Latvia and Lithuania, 2001 with focus on: Late blight monitoring, forecasting and variety observation trials

Koppel, M., Valskyte, A., Turka, I., Hansen, J. G. & Lassen, P., 2002, Proceedings of the 6th Workshop of an European network for development of an integrated control strategy of potato late blight. Schepers, H. T. A. M. & Westerdijk, C. E. (eds.). p. 25-37 13 p. (APR Special report; No. 8).

Results of validation trials Phytophthora DSSs in Europe, 2001

Hansen, J. G., Kleinhenz, B., Jörg, E., Wander, J. G. N., Spits, H. G., Dowley, L. J., Rauscher, E., Michelante, D., Dubois, L. & Steenblock, T., 2002, Proceedings of the 6th Workshop of an European network for development of an integrated control strategy of potato lage blight. Schepers, H. T. A. M. & Westerdijk, C. E. (eds.). p. 231-242 12 p. (APR Special report; No. 8).

Web-blight - a web-based international information and decision support system for potato late blight

Hansen, J. G. & Lassen, P., 2002, Proceedings of the Global Initiative on Late Blight Conference. p. 160-160 1 p.

eAdvice: Adaptation of agricultural advisory services to eBusiness

Thysen, I., Hansen, J. G. & Jensen, A. L., 2002, Proceedings of the World Congress on Computers in Agriculture and Natural Resources. p. 662-668 7 p.

Implementation of an Internet based decision support system for integrated potato late blight management in Poland

Hansen, J. G. & Kapsa, J., 2001, European Association for Potato Research, Pathology Section Meeting. p. 286-286 1 p. (Potato research; No. 3, Vol. 44).

Internet baserede informations- og beslutningsstøttesystemer om kartoffelproduktion - hvad findes der og hvilken vej går udviklingen

Hansen, J. G., 2001, DJF temadag om kartofler. p. 16-33 18 p.

Monitoring of potato late blight based on collaborative PC- and Internet applications

Hansen, J. G., Lassen, P. & Röhrig, M., 2001, Proceedings of the Workshop on the European network for development of and integrated control strategy of potato late blight. Schepers, H. T. A. M. (ed.). p. 39-54 16 p. (PAV-special report; No. 7).

Results of validation trials of Phytophthora DSS in Europe in 2000

Hansen, J. G., Kleinhenz, B. & Jörg, E., 2001, Proceedings of the Workshop on the European network for development of an integrated control strategy of potato late blight. Schepers, H. T. A. M. (ed.). p. 23-38 16 p. (PAV-special report; No. 7).

Use of weather forecasting data in decision support systems for the control of potato late blight

Detlefsen, N., Hansen, J. G. & Thysen, I., 2001, 5th European Conference on Applications of Meteorology. p. 82-82 1 p.

Web-blight - implementation of a web-based international information and decision support system for potato late blight

Röhrig, M., Hansen, J. G. & Lassen, P., 2001, Third European Conference of the European Federation for Information Technology in Agriculture, Food and Environment (EFITA) vol. 2. Steffe, J. (ed.). p. 65-70 6 p.

Web-blight: An international information and decision support system for potato late blight

Hansen, J. G., Lassen, P. & Röhrig, M., 2001, NJF-seminar on Potato late blight - past, present and future.

Beslutningsstøtte til behovsbestemt bekæmpelse af kartoffelskimmel

Hansen, J. G., 2000, In : Katoffelproduktion. 26, 3, p. 4-9 6 p.

Beslutningsstøtte til bekæmpelse af kartoffelskimmel

Hansen, J. G., Bødker, L. & Nielsen, B. J., 2000, 17. Danske Planteværnskonference: Positionsbestemt plantebeskyttelse / beslutningsstøtte / sygdomme-skadedyr / aksfusariose. Danmarks JordbrugsForskning, p. 219-228 10 p. (DJF rapport, markbrug; No. 24).

Beslutningsstøtte til bekæmpelse af kartoffelskimmel

Hansen, J. G., Bødker, L. & Nielsen, B. J., 2000, 17. Danske Planteværnskonference: Positionsbestemt plantebeskyttelse / beslutningsstøtte / sygdomme-skadedyr / aksfusariose. Danmarks JordbrugsForskning, p. 87-99 13 p. (DJF-rapport; No. 24).

Information om kartoffelproduktion på Internettet: KartoffelInfo

Hansen, J. G. & Møller, L., 2000, In : Dansk Kartoffelstivelse. 9, 2, p. 19-21 3 p.

Report of the dicussions of the Subgroup DSS

Hansen, J. G., 2000, Proceedings of the Workshop on the European network for development of an integrated Control Strategy of Potato Late Blight. Shepers, H. & Bouma, E. (eds.). p. 27-34 8 p. (PAV-special report; No. 6).

Validation and implementation of a Danish decision support system for the control of potato late blight in the Baltic countries

Hansen, J. G., Lassen, P., Turka, I., Stuogiene, L., Valskyte, A. & Koppel, M., 2000, Proceedings of the Workshop on the European network for development of an integrated Control Strategy of Potato Late Blight. Shepers, H. & Bouma, E. (eds.). p. 117-130 14 p. (PAV-special report; No. 6).

Web-blight - An international information and decision support system for potato late blight

Hansen, J. G., Röhrig, M., Lassen, P. & Thysen, I., 2000, In : http://www.web-blight.net. p. 13-13 1 p.

CDI A Module for Import and Control of Weather Data

Lassen, P. & Hansen, J. G., 1999, Perspectives of Modern Information and Communication Systems in Agriculture, Food Production and Environmental Control (Volume A), 2nd Eur. Conf. of the European Federation for Information Technology in Agriclture, Food and the Environment. Schiefer, G., Helbig, R. & Rickert, U. (eds.). p. 39-46 8 p.

CDI: A flexible tool for import and ontrol of weather data in DSS's

Lassen, P. & Hansen, J. G., 1999, Proceedings of the Workshop on the European network for development of an integrated control strategy of potato late blight. Schepers, H. & Bouma, E. (eds.). p. 275-280 6 p. (PAV-Special Report; No. 5).

Information and decision support for the control of potato late blight based on integrated PC and Internet applications

Hansen, J. G., Lassen, P., Jensen, A. L. & Thysen, I., 1999, Proceedings of the Workshop on the European network for development of an integrated Control Strategy of Potato Late Blight. Shepers, H. & Bouma, E. (eds.). p. 66-80 15 p. (PAV-special report; No. 5).

Overview of standard descriptions of Phytophthora decision support systems

Bouma, E. & Hansen, J. G., 1999, Proceedings of the Workshop on the European network for development of an integrated Control Strategy of Potato Late Blight. Shepers, H. & Bouma, E. (eds.). p. 48-51 4 p. (PAV-special report; No. 5).

Report of the discussions of the Subgroup DSS

Hansen, J. G., 1999, Proceedings of the Workshop on the European network for development of an integrated Control Strategy of Potato Late Blight. Shepers, H. & Bouma, E. (eds.). p. 24-26 3 p. (PAV-special report; No. 5).

Availability and use of meteorological data for disease forecasting in Denmark

Hansen, J. G., 1998, Proceedings from Workshop: European Network for Development of an Integrated Control Strategy of Potato Late Blight. p. 125-136 12 p. (PAV-special report; No. 3).

Beslutningsstøtte for kontrol af kartoffelskimmel i 1998

Hansen, J. G., 1998, In : Kartoffelproduktion. 3, p. 11-14 4 p.

Kartoffelskimmel før og nu

Bødker, L., Kidmose, R., Hansen, J. G. & Holm, S. P., 1998, 15. Danske Planteværnskonference: Sygdomme og Skadedyr. p. 81-87 7 p. (DJF-rapport, Markbrug; No. 3).

Report of the discussions of the Subgroup DSS

Hansen, J. G., 1998, Proceedings of the Workshop on the European network for development of an integrated Control Strategy of Potato Late Blight. Shepers, H. & Bouma, E. (eds.). p. 23-29 7 p. (PAV-special report; No. 2).

Vækståret septemeber 1997 - august 1998

Hansen, J. G., Jensen, T. & Sørensen, B., 1998, In : Grøn Viden - Markbrug. 198, p. 1-8 8 p.

Behovsbestemt skimmelbekæmpelse - hvad har vi lært?

Hansen, J. G., 1997, In : Kartoffelproduktion. 26, 3, p. 9-11 3 p.

Field specific and regional warning for development of potato late blight

Hansen, J. G., 1997, Proceedings of the Workshop on the European Network for Development of an Integrated Control Strategy of Potato Late Blight. PAV-special report no 1. Schepers, H. & Bouma, E. (eds.). p. 127-134 8 p. (PAV-special report; No. 1).

Integration of NegFry with PC-Plant Protection: Perspectives

Murali, N. S. & Hansen, J. G., 1997, Proceedings of the Workshop on the European Network for Development of an Integrated Control Strategy of Potato Late Blight. Schepers, H. & Bouma, E. (eds.). p. 114-116 3 p. (PAV-special report; No. 1).

Pl@nteInfo - Using the Internet for custom tailored crop information

Jensen, A. L., Thysen, I., Boll, P. S., Hansen, J. G., Secher, B. J. M. & Juhl, O., 1997, Proceedings of the First European Conference for Information Technology in Agriculture (EFITA). p. 305-308 4 p.

Report of the discussions of the Subgroup DSS

Hansen, J. G., 1997, Proceedings of the Workshop on the European network for development of an integrated Control Strategy of Potato Late Blight. Shepers, H. & Bouma, E. (eds.). p. 15-19 5 p. (PAV-special report; No. 1).

Vækståret september 1996-august 1997

Jensen, T., Hansen, J. G. & Sørensen, B., 1997, In : Grøn Viden - Markbrug. 188, p. 1-8 8 p.

An information system for crop production on World Wide Web

Jensen, A. L., Thysen, I., Hansen, J. G., Jensen, T., Secher, B. J. M. & Juhl, O., 1996, Information and Communication Technology applications in Agriculture: State of the art and future perspectives. Lokhort, C., Udink ten Cate, A. J. & Dijkhuizen, A. A. (eds.). p. 604-609 6 p.

Development and practical implementation of a system for potato late blight forecasting

Hansen, J. G. & Andersson, B., 1996, International symposium on applied agrometeorology and agroclimatology. p. 251-258 8 p.

Et dansk informationssystem for plantedyrkning på World Wide Web

Jensen, A. L., Thysen, I., Hansen, J. G., Jensen, T., Secher, B. J. M. & Juhl, O., 1996, 13. danske planteværnskonference, sygdomme og skadedyr. Statens Planteavlsforsøg, p. 219-228 10 p. (SP Rapport; No. 4).

Pl@nteinfo: A WWW-based platform for the dissemination of up-to-date crop protection information

Secher, B. J. M., Jensen, A. L. & Hansen, J. G., 1996, Unlocking the Future: Information Technology in Plant Protection. p. 14-14 1 p.

Regional agrometeorology on World Wide Web, International Symposium on Applied Agrometeorology and Agroclimatology

Jensen, T., Hansen, J. G., Thysen, I., Jensen, A. L. & Boll, P. S., 1996. 5 p.

Vejret bestemmer behovet for skimmelbekæmpelse

Hansen, J. G. & Holm, S. P., 1996, 13. danske planteværnskonference, sygdomme og skadedyr. Statens Planteavlsforsøg, p. 41-51 11 p. (SP Rapport; No. 4).

Forbruget af sprøjtemidler mod kartoffelskimmel kan nedsættes ved brug af data fra klimaspyd

Hansen, J. G., 1995, In : HARDI RAMA. 14, p. 4-5 2 p.

Klimaspyd - Konklusioner og erfaringer fra et femårigt projekt

Hansen, J. G., 1995, 12. danske planteværnskonference, sygdomme og skadedyr. p. 129-138 10 p. (SP Rapport; No. 3, Vol. 4).

Klimaspyd og Planteværn

Hansen, J. G., 1995, In : Erhvervsjordbruget - Landbonyt. 7, p. 5-7 3 p.

Man skal have hovedet med

Hansen, J. G., 1995, In : Dansk Kartoffelstivelse. 4, 3, p. 5-7 3 p.

Meteorological dataflow and management for potato late blight forecasting in Denmark

Hansen, J. G., 1995, Proceedings of the Workshop on Weather Information and Plant Protection. Hansen, J. G. & Sigvald, R. (eds.). p. 57-64 8 p. (SP Rapport; No. 10, Vol. 3).

NEGFRY - A system for scheduling chemical control of late blight in potatoes

Hansen, J. G., Andersson, B. & Hermansen, A., 1995, Proceedings PHYTOPHTHORA 150 Sesquicentennial Scientific Conference. Dowley, L. J., Cooke, L. R., Keane, T. & O'Sullivan, E. (eds.). Boole Press Ltd., p. 201-208 8 p.

Nedbørs betydning for udvikling af Septoria tritici i vinterhvede

Secher, B. J. M., Welling, B., Jørgensen, L. N. & Hansen, J. G., 1995, 12. Danske Planteværnskonference: Sygdomme og skadedyr. Statens Planteavlsforsøg, p. 139-148 10 p. (SP Rapport; No. 4).

Workshop on weather information and plant protection - conclusions and recommendations

Hansen, J. G. & Sigvald, R., 1995, Proceedings of the Workshop on Weather Information and Plant Protection. Hansen, J. G. & Sigvald, R. (eds.). p. 7-12 6 p. (SP Rapport; No. 10).

Anvendelse af klimaspyd til plantebeskyttelse

Hansen, J. G., 1994, 11. Danske Planteværnskonference. p. 133-142 10 p. (SP Rapport; No. 7).

Behovsbestemt fungicidbehandling mod kartoffelskimmel (Phytophthora infestans) - erfaringer fra Danmark 1993

Hansen, J. G. & Simonsen, J., 1994, 35:e Svenska Växt-skyddskonferensen. p. 377-385 9 p.

The use of onfarm meteorological data for resource utilization in sustainable crop production

Hansen, J. G. & Secher, B. J. M., 1994, Proceedings of 13th International conference in International Soil Tillage Research Organization. Jensen, H. E., Schjønning, P., Mikkelsen, S. A. & Madsen, K. B. (eds.). p. 1187-1192 6 p.

Thresholds for control of Septoria spp

Hansen, J. G., Secher, B. J. M., Jørgensen, L. N. & Welling, B., 1994, In : in winter wheat based on precipitation and growth stage. Plant Pathology. 43, p. 183-189 7 p.

Tresholds for control of Septoria spp in winter-wheat based on precipitation and growth stage

Hansen, J. G., Secher, B. J. M., Jørgensen, L. N. & Welling, B. S., 1994, In : Plant Pathology. 43, 1, p. 183-189

Use of multispectral radiometry in wheat yellow rust experiments

Hansen, J. G., 1991, In : E P P O Bulletin. 21, p. 651-658 8 p.

På sporet af atmosfærisk ammoniak: NPo-forskningsprogrammet (Dyhr-Nielsen, M., Holter,V. & Bådsgård-Pedersen, J. (Red.)

Sommer, S. G., Christensen, B. T., Hansen, J. G., Asman, W. A. H., Grundahl, L., Schjørring, J. K., Saxe, H. & Jensen, E. S., 1989, In : Vand og Miljø,. 6, p. 56-62 7 p.

Projects

DGGW: Delivering Genetic Gain in Wheat

Hansen, J. G. & Lassen, P.

01/06/201630/06/2019

MLN Toolbox: Establish a dedicated MLN web portal and data management system (toolbox) with core databases.

Hansen, J. G. & Lassen, P.

01/02/201628/02/2017

Euroblight coordinator

Hansen, J. G.

Wageningen UR

01/01/2010 → …

IPMBlight2.0: IPM2.0 for sustainable control of potato late blight - exploiting pathogen population data for optimized Decisions Support Systems

Hansen, J. G. & Lassen, P.

25/04/201631/12/2018

Activities

2011 BGRI Communications / Information-Technology Planning and Coordinating Workshop

Jens Grønbech Hansen (Speaker)
31 Jan 20112 Feb 2011

4.2 NJF seminar 388. Integrated control of Potato Late Blight in the Nordic and Baltic Countries

Jens Grønbech Hansen (Organizer)
29 Nov 20061 Dec 2006

Beslutningsstøtte til bekæmpelse af kartoffelskimmel

Jens Grønbech Hansen (Lecturer)
8 Mar 2000

Blight management on Internet

Jens Grønbech Hansen (Lecturer)
1 Nov 2002

Early Warning for Yellow Rust - Tools and Services Provided by The Wheat Rust Toolbox

Jens Grønbech Hansen (Lecturer)
28 Apr 2014

Euroblight - A potato late blight network for Europe (External organisation)

Jens Grønbech Hansen (Member)
1 Jan 1995 → …

International Wheat Stripe Rust Symposium

Jens Grønbech Hansen (Speaker)
18 Apr 201120 Apr 2011

Introduction to late blight session, NegFry, Demonstration trials, Monitoring, OBSTrials, Workshop on Potato Late Blight, DSS Final Workshop, Research Centre Flakkebjerg, 26th-29th November 2002

Jens Grønbech Hansen (Lecturer)
1 Nov 2002

Kartoffelinfo. Møde for 50 lokale kartoffelavlere

Jens Grønbech Hansen (Lecturer)
10 Feb 2000

Late blight epidemiology and control strategies

Jens Grønbech Hansen (Lecturer)
19 Feb 1999

NEGFRY - A PC-Programme for Scheduling Chemical Control of Potato Late Blight

Jens Grønbech Hansen (Participant)
2 May 19975 May 1997

NEGFRY - Et PC-Program til behovsbestemt bekæmpelse af kartoffelskimmel

Jens Grønbech Hansen (Participant)
2 Sep 19975 Sep 1997

Potato information applications

Jens Grønbech Hansen (Participant)
9 Sep 2002

Practical Approaches to Effective Late Blight Research and Integrated Management: Standardizing data used for comparing isolates and populations of P. infestans

Jens Grønbech Hansen (Lecturer)
2 Apr 2008

Results from Denmark, 2002, Workshop on Potato Late Blight, DSS Final Workshop, Research Centre Flakkebjerg, 26th-29th November 2002

Jens Grønbech Hansen (Lecturer)
1 Nov 2002

Skimmelvarsling

Jens Grønbech Hansen (Lecturer)
2 Jan 1997

Skimmelvarsling 1997 - hvad gik der galt

Jens Grønbech Hansen (Lecturer)
19 Jul 1997

Standardizing data used for comparing isolates and populations of P. infestans

Jens Grønbech Hansen (Organizer)
1 Apr 20082 Apr 2008

Vejret bestemmer behovet for skimmelbekæmpelse

Jens Grønbech Hansen (Lecturer)
1 Mar 1996

Workshop om kartoffelforsøg 2007

Jens Grønbech Hansen (Lecturer)
4 Dec 2007