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- W3144085377 abstract "【Objective】In order to provides theoretical basis for selecting parents of cross combination to breed pepper rootstocks with resistance to bacterial wilt and enhancing foreseeability of pepper breeding for resistance to bacterial wilt,the quantitative genetic characteristics of bacterial wilt-resistance of pepper rootstock germplasms were analyzed to screen backbone parents of cross combination with high resistance to bacterial wilt. 【Method】Five pepper rootstock germplasms with different levels of resistances to bacterial wilt were used to produce 20 kinds of F1 seeds by complete diallel cross method. Then the bacterial wilt-resistance of F1 plants was identified. Using disease index as resistant phenotypic index,the quantitative genetic parameters were estimated to analyze combining ability and heterosis by Griffing method. 【Result】The results showed that, 8 hybrid combinations were screened out, which had more than moderate resistances to bacterial wilt, and accounted for 40%, including one high-resistant hybrid combination(HR), four resistant hybrid combination(R). The genetic analysis indicated that bacterial wilt-resistant hereditary effects were dominated by additive effect, which was also influenced by dominant effect and reciprocal effect. All the tested pepper rootstock germplasms had high general combining ability(GCA) and specific combining ability(SCA). 【Conclusion】The rootstock germplasm F05 can be used as backbone parents in the breeding pepper rootstocks or cultivar with high resistance to bacterial wilt." @default.
- W3144085377 created "2021-04-13" @default.
- W3144085377 creator A5072541128 @default.
- W3144085377 date "2015-01-01" @default.
- W3144085377 modified "2023-09-24" @default.
- W3144085377 title "Preliminary analysis on bacterial wilt-resistance quantitative genetics of pepper rootstock germplasm" @default.
- W3144085377 hasPublicationYear "2015" @default.
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