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Screening Pakistani cotton for drought tolerance

机译:筛选巴基斯坦棉花的抗旱性

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The drought is one of the biggest abiotic stresses for crop production in arid and semi-arid agriculture. Thus it is a challenge for plant scientists to screen and develop the drought tolerant cotton lines. In this study, 31 cotton genotypes/cultivars were evaluated under two irrigation regimes i.e., seven irrigations (Control) and two irrigations (Stress), using split plot design with four replications. The crop growth, yield and some physiological parameters were studied. There were high inter-varietal differences for all the parameters under control as well as drought stress. Although all the varieties for all parameters were significantly affected by drought but however, CRIS-9, MARVI, CRIS-134, CRIS-126, CRIS-337, CRIS-355 and CRIS-377 maintained highest performance for all the parameters studied under high drought conditions.
机译:干旱是干旱和半干旱农业生产中最大的非生物胁迫之一。因此,筛选和开发耐旱棉花系对植物科学家来说是一个挑战。在这项研究中,使用分四次重复的田间设计,在两种灌溉制度下评估了31种棉花的基因型/品种,即七种灌溉(对照)和两种灌溉(胁迫)。研究了作物的生长,产量和一些生理参数。受控制的所有参数以及干旱胁迫的品种间差异均很大。虽然所有参数的所有品种都受到干旱的严重影响,但是,在高温下研究的所有参数中,CRIS-9,MARVI,CRIS-134,CRIS-126,CRIS-337,CRIS-355和CRIS-377保持了最高的性能。干旱条件。

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