Inheritance of net photosynthesis and transpiration efficiency in spring wheat, Triticum aestivum L., under drought
作者： T. A. Malik , D. Wright , D. S. Virk
DOI: 10.1046/J.1439-0523.1999.118001093.X
关键词:
摘要: The inheritance of net photosynthesis and transpiration efficiency in spring wheat under drought were studied two years order to determine their heritability. parents, F 1 segregating generations (F 2 , BC ) four crosses between each drought-resistant drought-susceptible genotypes evaluated pots glasshouse conditions. Measurements gas exchange made using a portable gas-analysis system. Generation means variance component analyses the data suggested that these traits are simply inherited controlled mainly by additive genetic variation. Narrow-sense heritability estimates varied from 61% 84% for 88% 89% efficiency.
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