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Effect of partial rhizosphere drying on plant photosynthetic, antioxidative and water related indicators in cotton

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  • Rashid Iqbal, Islamia Univ Bahawalpur, Univ Coll Agr & Environm Sci, Dept Agron, The Islamia University of Bahawalpur, Pakistan
  • Muhammad Aown Sammar Raza, Islamia Univ Bahawalpur, Univ Coll Agr & Environm Sci, Dept Agron, The Islamia University of Bahawalpur, Pakistan
  • Muhammad Muhammad Habib-ur-Rahman, Department of Agronomy, Muhammad Nawaz Shareef University of Agriculture, Multan, Pakistan, Pakistan
  • Sajjad haydar, dDepartment of Biology, The University of Haripur, Khyber Pakhtunkhwa Pakistan
  • ,
  • Muhammad Israr, dDepartment of Biology, The University of Haripur, Khyber Pakhtunkhwa Pakistan
  • ,
  • Farhan Mustafa, eCollaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Key Laboratory for Aerosol-Cloud-Precipitation of China Meteorological Administration, Key Laboratory of Meteorological Disasters, Ministry of Education, Nanjing University of Information Science and Technology, Nanjing, Jiangsu province China
  • ,
  • Muhammad Shahzaman, eCollaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Key Laboratory for Aerosol-Cloud-Precipitation of China Meteorological Administration, Key Laboratory of Meteorological Disasters, Ministry of Education, Nanjing University of Information Science and Technology, Nanjing, Jiangsu province China
  • ,
  • Muhammad Ayaz
  • ,
  • Monika Toleikiene , Liithuanian Center for Agriculture and Forestry (LAMMC), Lithuania, Litauen
  • Fatemeh Hashemi
  • Muhammad Tahir Khan
  • ,
  • Muhammad Mahran Aslam

Freshwater resources are severely declining due to climate change. However, the use of water saving strategies is a prime objective of this century. Many techniques have been developed to cope this core issue. Among them, Partial rhizosphere drying (PRD) being one of the effective approaches plays a major role to reduce the harmful effects of water deficit stress. In PRD, the rhizosphere is divided in two equal halves, each portion irrigated in alternate scheduling to save 50% water. This study was designed to evaluate the performance of five cotton varieties (FH-142, IUB-222, IUB-13, MM-58 and NOOR) under full irrigation (FI) and drought (partial root zone drying, PRD). Results revealed that MM-58 performed the best among other varieties, particularly through improved rate of stomata conductance (32.17%), photosynthesis (24.24%), water-related parameters (16.69%, 36.88% and 43.34% for LRWC, LOP and LTP respectively) and antioxidants activity (19.86%, 43.90%, 20.51% and 21.11% for SOD, POD, CAT and APX respectively) compared to NOOR. Moreover, higher values of growth (PH, LAI) and water related parameters were found in FI while osmolyte accumulation (Sugar and Proline) and antioxidants (SOD, POD, CAT, APX) were more in PRD. In crux, the above traits are the best indicators to screen out any crop varieties especially cotton at the early developmental stage to save time in breeding programs.

OriginalsprogEngelsk
TidsskriftCommunications in Soil Science and Plant Analysis
Vol/bind53
Nummer16
Sider (fra-til)2125-2140
Antal sider16
ISSN0010-3624
DOI
StatusUdgivet - 26 apr. 2022

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