Inheritance of yield components and yield in relation to evidence for heterosis in F1 barley hybrids |
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| Authors: | G F Johnson W J Whittington |
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| Institution: | (1) University of Nottingham School of Agriculture, Sutton Bonington, Loughborough, England;(2) Present address: Clearing Project, Midland Bank Computer Services, Griffin House, Sheffield |
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| Abstract: | Summary Yield components and yield were studied in F1 barley hybrids produced by hand pollination or male sterility. Grain number exhibited only partial dominance but grain weight showed dominance or overdominance and contributed to the heterotic situation particularly in 2×6-row crosses. For the commercial exploitation of heterosis it is essential that hybrids should be found which show greater dominance for high grain number. |
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| Keywords: | Barley Hordeum sativum F1 hybrids yield components heterosis |
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