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Mathias Neumann Andersen

Effects of irrigation strategies and soils on field-grown potatoes: Gas exchange and xylem [ABA]

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Effects of irrigation strategies and soils on field-grown potatoes: Gas exchange and xylem [ABA]. / Ahmadi, Seyed Hamid; Andersen, Mathias Neumann; Plauborg, Finn; Poulsen, Rolf Thostrup; Jensen, Christian Richardt; Sepaskhah, Ale Reza; Hansen, Søren.

In: Agricultural Water Management, Vol. 97, No. 10, 2010, p. 1486-1494.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

Harvard

Ahmadi, SH, Andersen, MN, Plauborg, F, Poulsen, RT, Jensen, CR, Sepaskhah, AR & Hansen, S 2010, 'Effects of irrigation strategies and soils on field-grown potatoes: Gas exchange and xylem [ABA]', Agricultural Water Management, vol. 97, no. 10, pp. 1486-1494. https://doi.org/10.1016/j.agwat.2010.05.002

APA

Ahmadi, S. H., Andersen, M. N., Plauborg, F., Poulsen, R. T., Jensen, C. R., Sepaskhah, A. R., & Hansen, S. (2010). Effects of irrigation strategies and soils on field-grown potatoes: Gas exchange and xylem [ABA]. Agricultural Water Management, 97(10), 1486-1494. https://doi.org/10.1016/j.agwat.2010.05.002

CBE

Ahmadi SH, Andersen MN, Plauborg F, Poulsen RT, Jensen CR, Sepaskhah AR, Hansen S. 2010. Effects of irrigation strategies and soils on field-grown potatoes: Gas exchange and xylem [ABA]. Agricultural Water Management. 97(10):1486-1494. https://doi.org/10.1016/j.agwat.2010.05.002

MLA

Vancouver

Ahmadi SH, Andersen MN, Plauborg F, Poulsen RT, Jensen CR, Sepaskhah AR et al. Effects of irrigation strategies and soils on field-grown potatoes: Gas exchange and xylem [ABA]. Agricultural Water Management. 2010;97(10):1486-1494. https://doi.org/10.1016/j.agwat.2010.05.002

Author

Ahmadi, Seyed Hamid ; Andersen, Mathias Neumann ; Plauborg, Finn ; Poulsen, Rolf Thostrup ; Jensen, Christian Richardt ; Sepaskhah, Ale Reza ; Hansen, Søren. / Effects of irrigation strategies and soils on field-grown potatoes: Gas exchange and xylem [ABA]. In: Agricultural Water Management. 2010 ; Vol. 97, No. 10. pp. 1486-1494.

Bibtex

@article{3260ff40f24f11df80f4000ea68e967b,
title = "Effects of irrigation strategies and soils on field-grown potatoes: Gas exchange and xylem [ABA]",
abstract = "Gas exchange was measured in potatoes (cv. Folva) grown in lysimeters (4.32 m2) in coarse sand, loamy sand, and sandy loam and subjected to full (FI), deficit (DI), and partial root-zone drying (PRD) irrigation strategies. PRD and DI as water-saving irrigation treatments received 65{\%} of FI and started after tuber bulking and lasted for six weeks until final harvest. Midday photosynthesis rate (An) and stomatal conductance (gs) of fully irrigated (FI) plants were lowest in coarse sand and mean An of diurnal measurements in FI, PRD and DI tended to be lower in this soil as compared with the loamy sand and sandy loam. The results revealed that diurnal values of An and gs in PRD and DI were consistently lower than FI without reaching significant differences in accordance with findings that xylem [ABA] in PRD was significantly higher than FI, and tended to be higher than in DI. Diurnal measurements showed that An reached peak values during mid-morning and midday, while gs were highest during the morning. Intrinsic water use efficiency (An/gs) correlated linearly well with the leaf to air vapor pressure deficit (VPD) and the slope of the line revealed the rate of An/gs increase per each kPa increase in VPD, i.e. approximately 10 μmol mol-1. Transpiration efficiency (An/T) of PRD was higher than DI, which shows slightly better efficient water use than DI. The slope of the linear relationship between transpiration efficiency and VPD decreased from -2.03 to -1.04 during the time course of the growing season, indicating the negative effect of leaf ageing on photosynthesis and thus on plant water use efficiency. This fact shows the possibility to save water during last growth stages through applying water-saving irrigations without much effect on transpiration efficiency.",
author = "Ahmadi, {Seyed Hamid} and Andersen, {Mathias Neumann} and Finn Plauborg and Poulsen, {Rolf Thostrup} and Jensen, {Christian Richardt} and Sepaskhah, {Ale Reza} and S{\o}ren Hansen",
year = "2010",
doi = "10.1016/j.agwat.2010.05.002",
language = "English",
volume = "97",
pages = "1486--1494",
journal = "Agricultural Water Management",
issn = "0378-3774",
publisher = "Elsevier BV",
number = "10",

}

RIS

TY - JOUR

T1 - Effects of irrigation strategies and soils on field-grown potatoes: Gas exchange and xylem [ABA]

AU - Ahmadi, Seyed Hamid

AU - Andersen, Mathias Neumann

AU - Plauborg, Finn

AU - Poulsen, Rolf Thostrup

AU - Jensen, Christian Richardt

AU - Sepaskhah, Ale Reza

AU - Hansen, Søren

PY - 2010

Y1 - 2010

N2 - Gas exchange was measured in potatoes (cv. Folva) grown in lysimeters (4.32 m2) in coarse sand, loamy sand, and sandy loam and subjected to full (FI), deficit (DI), and partial root-zone drying (PRD) irrigation strategies. PRD and DI as water-saving irrigation treatments received 65% of FI and started after tuber bulking and lasted for six weeks until final harvest. Midday photosynthesis rate (An) and stomatal conductance (gs) of fully irrigated (FI) plants were lowest in coarse sand and mean An of diurnal measurements in FI, PRD and DI tended to be lower in this soil as compared with the loamy sand and sandy loam. The results revealed that diurnal values of An and gs in PRD and DI were consistently lower than FI without reaching significant differences in accordance with findings that xylem [ABA] in PRD was significantly higher than FI, and tended to be higher than in DI. Diurnal measurements showed that An reached peak values during mid-morning and midday, while gs were highest during the morning. Intrinsic water use efficiency (An/gs) correlated linearly well with the leaf to air vapor pressure deficit (VPD) and the slope of the line revealed the rate of An/gs increase per each kPa increase in VPD, i.e. approximately 10 μmol mol-1. Transpiration efficiency (An/T) of PRD was higher than DI, which shows slightly better efficient water use than DI. The slope of the linear relationship between transpiration efficiency and VPD decreased from -2.03 to -1.04 during the time course of the growing season, indicating the negative effect of leaf ageing on photosynthesis and thus on plant water use efficiency. This fact shows the possibility to save water during last growth stages through applying water-saving irrigations without much effect on transpiration efficiency.

AB - Gas exchange was measured in potatoes (cv. Folva) grown in lysimeters (4.32 m2) in coarse sand, loamy sand, and sandy loam and subjected to full (FI), deficit (DI), and partial root-zone drying (PRD) irrigation strategies. PRD and DI as water-saving irrigation treatments received 65% of FI and started after tuber bulking and lasted for six weeks until final harvest. Midday photosynthesis rate (An) and stomatal conductance (gs) of fully irrigated (FI) plants were lowest in coarse sand and mean An of diurnal measurements in FI, PRD and DI tended to be lower in this soil as compared with the loamy sand and sandy loam. The results revealed that diurnal values of An and gs in PRD and DI were consistently lower than FI without reaching significant differences in accordance with findings that xylem [ABA] in PRD was significantly higher than FI, and tended to be higher than in DI. Diurnal measurements showed that An reached peak values during mid-morning and midday, while gs were highest during the morning. Intrinsic water use efficiency (An/gs) correlated linearly well with the leaf to air vapor pressure deficit (VPD) and the slope of the line revealed the rate of An/gs increase per each kPa increase in VPD, i.e. approximately 10 μmol mol-1. Transpiration efficiency (An/T) of PRD was higher than DI, which shows slightly better efficient water use than DI. The slope of the linear relationship between transpiration efficiency and VPD decreased from -2.03 to -1.04 during the time course of the growing season, indicating the negative effect of leaf ageing on photosynthesis and thus on plant water use efficiency. This fact shows the possibility to save water during last growth stages through applying water-saving irrigations without much effect on transpiration efficiency.

U2 - 10.1016/j.agwat.2010.05.002

DO - 10.1016/j.agwat.2010.05.002

M3 - Journal article

VL - 97

SP - 1486

EP - 1494

JO - Agricultural Water Management

JF - Agricultural Water Management

SN - 0378-3774

IS - 10

ER -