Nuda rice 15 and low water affinity and the F1 gen

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,[link widoczny dla zalogowanych]
Nuda rice in water 15 and the low affinity and the F1 generation of Indica hybrid heterosis

Significant grain number and parents were positively related to panicle,[link widoczny dla zalogowanych], plant height was positively correlated with the parents, but not significant. Guizhou Agricultural Sciences that the number of grains per panicle, plant height, heterosis over the parents with the selection of the appropriate relationship between the characters more closely, and other traits by the parents of small. Advantages from the average index of parental traits in the correlation coefficient,[link widoczny dla zalogowanych], all traits showed a very small negative correlation, indicating that the average advantage of F the strength of character almost from the corresponding characters of the parents. 3 3.1 Summary and discussion of water 15 and dwarf varieties of hybrid rice and some combination of F with normal seed set,[link widoczny dla zalogowanych], but the obvious selectivity of affinity. Affinity spectrum is limited, has a special affinity. Yu-2, 15 and dwarf indica hybrid water F on behalf of the obvious advantages, different combinations of the advantages of different characters quite different question. Traits of the average dominance index in the order is: plant weight> grains per panicle> height> panicles per plant> grain weight> HI> seed set. Characters in the order of heterobeltiosis similar. F. Plant height, grain weight, grain number and selection of parents and other corresponding characters in the water close to 3.3 by 15 wide special affinity selection of appropriate parents for hybridization, the wide compatibility gene into indica and japonica varieties to go. In order to filter out more good wide compatibility varieties, is the direct use of indica and japonica hybrid,[link widoczny dla zalogowanych], cultivate good combination, provide the conditions.