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Growth of Wheat Genotypes Influenced by Heat Stress

Journal: International Journal of Environment, Agriculture and Biotechnology (Vol.2, No. 4)

Publication Date:

Authors : ; ;

Page : 1863-1878

Keywords : Crop growth rate; Heat stress; Leaf area index; Total dry matter Wheat.;

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Effect of heat stress on growth of eight wheat genotypes was evaluated. Total dry matter (TDM), leaf area index (LAI), crop growth rate (CGR) and net assimilation rate (NAR) were lower at the initial stage of growth and increased with plant age and all the genotypes showed higher values at normal growing condition compared to late and very late growing condition in both the years. Growth attributes such as LAR for all the genotypes declined throughout the advancement of growth stages in each growing conditions of both years. The HT genotypes showed higher values of TDM, LAI, CGR and LAD compared to MHS and HS genotypes in both the years.

Last modified: 2017-08-22 00:34:22