National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
As a cool season crop, wheat (Triticum aestivum l.) has maximum growing temperature of 15°C during the reproductive stage. With increase in global climate change, heat stress is becoming an increasingly severe constraint on production of wheat. An experiment was conducted on 32 bread wheat genotypes to evaluate the genetic diversity for yield and yield contributing parameters under heat stress conditions. The genotypes were congregated into six clusters namely cluster I having 25 genotypes, followed by cluster v (3) and cluster II, III, IV and VI each having one genotype each. The maximum inter cluster distance was observed between genotype of the cluster II and VI (96.6). Among all characters number of days to fifty per cent flowering (40%), relative water content (16.44) and flag leaf area (15.52) contributed maximum to divergence.
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