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单词 hybrid vigour
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hybrid vigour
hybrid vigour n. = heterosis n. 3.
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the world > life > biology > biological processes > genetic activity > heredity or hereditary descent > [noun] > cross-breeding or hybridism > hybrid vigour
heterosis1914
hybrid vigour1918
1909 E. M. East in Amer. Naturalist 43 179 In every case an increase in vigor over the parents [sc. maize plants] was shown by the crosses.]
1918 E. B. Babcock & R. E. Clausen Genetics in Relation to Agric. xii. 230 Not all species hybrids, however, display hybrid vigor.
1949 C. C. Lindegren Yeast Cell xxvii. 2 The degeneration or ‘running out’ of hybrids showing heterosis has been one of the principal problems of hybrid vigor.
1970 Watsonia 8 131 Its robust growth, vigorous vegetative spread and large fronds..suggest hybrid vigour.
extracted from hybridn.adj.
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