甘蔗常用亲本及杂交组合家系评价
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现代农业产业技术体系建设专项资金(nycytx-24-01-02);广东省甘蔗种质资源库建设(2005B60301035); 国家自然科学基金项目(30800700)


Family Assessment of Usual Sugarcane Parents and their Cross Combination
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    摘要:

    为评价我国甘蔗亲本的遗传特点和组合的选配效果,采用澳大利亚家系试验法,借助R软件估算亲本的遗传方差、一般配合力(GCA)和组合特殊配合力(SCA)。结果表明:锤度的遗传主要受母本加性基因效应所制约,蔗茎产量主要受母本加性基因效应和非加性基因效应所制约,株高、茎径和有效茎受父母本加性基因效应和非加性基因效应所制约。CP88-2143、ROC10、ROC26、桂糖00-122、粤糖00-318和云蔗99-113作母本,内江57-416、崖城93-26、粤糖91-976和粤糖00-319作父本杂交后代表现出高产高糖,可作为糖能兼用好亲本使用。根据组合特殊配合力效应(SCA), CP88-2143×粤糖00-319、ROC10×粤糖91-976、ROC26×崖城93-26、桂糖00-122×ROC22、粤糖91-976×ROC22、粤糖93-159×内江57-416和云蔗99-113×CP84-1198组合综合表现良好,可作为生产性杂交组合,加大力度使用。

    Abstract:

    Australian family test was conducted for the purpose of evaluating the genetic characters of Chinese sugarcane parents and the matching effect of cross combination. The genetic variance and general combining ability (GCA) of sugarcane parents and the special combining ability (SCA) of the cross combination was estimated by the R software. The results showed that brix was controlled primarily by female additive genes effects,and cane yield was mainly controlled by female additive genes effects and non-additive genes effects,while plant height, stalk diameter and tiller number were controlled by male and female additive genes effects and non-additive genes effects.In the case that CP88-2143,ROC10,ROC26,guitang00-122, yuetang00-318,and yunzhe99-113 were used as female parent,neijiang57-416, yacheng93-26, yuetang91-976 and yuetang00-319 were used as male parents , their hybrid progenys exhibited high yield and high sugar content, these parents can used in breeding for sugar and energy.Accord to the special combining ability(SCA) effects of cross combination. The combination CP88-2143 ×Yuetang00-319, ROC10×Yuetang91-976, ROC26×Yacheng93-26,Guitang00-122×ROC22,Yuetang91-976×ROC22,Yuetang93-159×neijiang57-416,Yunzhe99-113×CP84-1198 showed excellent comprehensive character

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刘少谋,王勤南,符 成,等.甘蔗常用亲本及杂交组合家系评价[J].植物遗传资源学报,2011,12(2):234-240.

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