芥菜型油菜自交亲和性变异分析  

Variation Analysis on Self-compatibility in Brassica juncea

作　　者：杨杰[1] 孙万仓[1,2] 武军艳[1] 魏文惠[1] 郭秀娟[1] 康艳丽[1] 曾潮武[1] 刘红霞[1] 蒲媛媛[1] 张俊杰[1] 牟平[1] 胡兴茂[1] 韩宏 

机构地区：[1]甘肃农业大学农学院,兰州730070 [2]甘肃农业科学院经济作物研究所,兰州730070 [3]临夏州农业科学研究所,临夏731100

出　　处：《西北农业学报》2009年第2期131-135,140,共6页Acta Agriculturae Boreali-occidentalis Sinica

基　　金：国家支撑计划项目;农业科技成果转化资金项目(2008GB2G100322);甘肃省农业生物技术研究与应用开发项目(GNSW-2005-09);甘肃省科技攻关计划项目(2GS064-A41-001-07);甘肃省自然科学基金资助项目(3GS061-A25-076)资助

摘　　要：以来自不同国家、不同地区的34份芥菜型油菜为试验材料,对芥菜型油菜自交亲和性进行了分析,结果表明,芥菜型油菜大部分为自交亲和类型,但芥菜型油菜的自交亲和性差异较大,亲和指数在0.25～9.73间。这种差异不仅存在于品种间,而且存在于亚种间。在34份参试材料中,2个品种表现为自交不亲和（0〈亲和指数〈1.00）,14个品种表现为自交亲和（亲和指数〉1）,18个品种表现为高自交亲和（亲和指数〉4.00）。自交亲和性因地区而异,虽然我国有的芥菜型油菜品种的自交亲和性较高,但是整体存在较大的差异,有自交亲和品种,也有自交不亲和品种。芥菜型油菜是自交亲和植物,自交亲和材料中也有自交不亲和类型,因而通过定向培育可育成自交不亲和系,对进一步利用杂种优势、大量筛选找到优良杂交组合并进行杂交种的生产具有重要的意义。In this paper,with 34 Brassica juncea from different countries and different area as experiment materials,the self-compatibility index and variation of Brassica juncea were studied.The results showed that：according to self-compatibility evaluation criteria,the most of Brassica juncea are self-compatible,but Brassica juncea self-compatibility varied within a great range0.25-9.73,This variation existed not only among the species but among sub-species.evaluated by the self-compatible indexes,among 34 experiment materials,two varieties are self-incompatible（01.00）,eighteen varieties are high self-compatible（SC〉4.00）,and no varieties are high self-inconpatible.The self-compatibility varied with regions,though some of Brassica juncea in china are high self-compatible,it exists great variation in a whole.some are types of self-compatible,some are high types of self-compatible,and some are self-incompatible.while Brassica juncea from overseas had little variation of self-compatibility,and there is no self-incompatible cultivar.

关 键 词：芥菜型油菜 自交亲和 变异 

分 类 号：S565.4[农业科学—作物学]