Exotic Wheat (Triticum aestivum L.) Germplasm Evaluated for High Temperature Tolerance

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Research Paper 01/12/2020
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Exotic Wheat (Triticum aestivum L.) Germplasm Evaluated for High Temperature Tolerance

Rizwan Ali Kumbhar, Shah Nawaz Mari, Khalil Ahmed Laghari, Shabana Memon, Uroosa Awan, Reyaz Ali Kumbhar, Feng Zongyun, Liu Xinchun
Int. J. Biosci.17( 6), 1-13, December 2020.
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In current scenario, climate is rapidly changing environment and studies have confirmed that Pakistan is largely vulnerable to environment change. So as face this newly emerged challenge, plant material in bulk is imported every year and tested under different agro-ecological conditions. The prime aim of the present study was to assess of 10 exotic wheat germplasm based on their potentiality against high temperature. Heat stress (HS) was noticed by interval of one month (T2,19th of December 2017) under field condition in comparison with normal sowing (T1,18th of November 2017) and 02 checks (Kiran-95 and TJ-83) at the experimental area of Nuclear Institute of Agriculture (NIA), Tandojam during Rabi 2017-2018. In addition, morphological traits like days to 75% maturity, plant height (cm), spike length (cm), number of grains spike-1, tillers plant-1, number of spikelets spike-1, peduncle length (cm), 1000-grain weight (g), grain yield plot-1 (g), biological yield plot-1 (g) and harvest index (%) were studies and recorded. Predominantly the lines HT14 and HT19 performed well in field and are suggested to be subjected to further evaluation in all possible cross combinations so that more fruitful results may be achieved.


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