A Study on Heat Tolerance of Wheat Cultivars

doi:10.3321/j.issn:1000-7091.1999.02.005

Abstract

Abstract: Heat tolerances of 8 wheat cultivars were studied.The results indicated that there were larger differences in heat tolerances among cultivars.The heat tolerance was related to leafchlorophyll content, MAD content and canopy temperature of cultivar.Assimilate accumulating after anthesis was directly affected by heat tolerance of cultivar.Leaf membrane thermostability and canopy temperature might be used as selection parameters in wheat breeding for heat tolerance.

Key words: Wheat, Cultivar improvement, Heat tolerance.

Xu Weigang, Hu Lin, Gai Junyi. A Study on Heat Tolerance of Wheat Cultivars[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1999, 14(2): 20-24. doi: 10.3321/j.issn:1000-7091.1999.02.005.

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