Investigating drought tolerance potential of different Wheat (Triticum aestivum L.) varieties under reduced irrigation level

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Research Paper 01/07/2017
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Investigating drought tolerance potential of different Wheat (Triticum aestivum L.) varieties under reduced irrigation level

Muhammad Aown Sammar Raza, Muhammad Saqlain Zaheer, Muhammad Farrukh Saleem, Imran Haider Khan, Farhan Khalid, Muhammad Usman Bashir, Muhammad Awais, Rashid Iqbal, Salman Ahmad, Muhammad Usman Aslam, Imran Haider
Int. J. Biosci.11( 1), 257-265, July 2017.
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Drought stress is one of the main abiotic stresses that eventually lead to a drastic reduction in the final yield of wheat crop throughout the world. Identification of the drought resistant or drought susceptible wheat variety becomes an essential approach to improve crop production on sustainable basis. A planned study was conducted to evaluate the tolerance potential of ten wheat varieties (Aas-211, Mairaj-2008, Fareed-2006, Punjab-2011, Lasani-2008, Faisalabad-2008, Galaxy-2013, Millat-2011, AARI-2011 and auqab-2000) under drought stress conditions at different growth stages (To= Control, T1= Drought at tillering stage, T2= Drought at anthesis stage, T3= Drought at grain filling stage). Results revealed that yield and yield related parameters significantly differed among all genotypes of wheat under drought stress condition. 10.45%, 25.15% and 48.45% reduction of grain yield per plant was noticed when drought occurred at tillering, anthesis and grain filling stage respectively. Drought occurs at grain filling stage cause maximum reduction of grain yield. Galaxy-2013 and Punjab-2011 were recorded the highest yielding varieties among them under drought at different growth stages. Lasani-2008 was selected as most drought resistant variety and Auqab-2000 selected as most drought sensitive variety.


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