中国生态农业学报2011，Vol.19Issue(3)：626-630,5.DOI:10.3724/SP.J.1011.2011.00626
长江流域主要甘蓝型油菜品种苗期耐湿性鉴定
Determining rapeseed tolerance to waterlogging at seedling stage in the Yangtze River basin
摘要
Abstract
To determine rapeseed tolerance to waterlogging and to screen its proper evaluating indicators, 32 rapeseed (Brassica napus L.) genotypes were used in a simulated waterloging field experiment. The results showed waterlogging increased proline content, and decreased root activity, chlorophyll and protein contents, and root and plant dry weight of rapeseed. The waterlogging resistance of different rapeseed genotypes varied showing a great hereditary difference. “Zhongyou 821”, “Qianyou 18”,“Zhongshuang 11”, “09L553×L559”, “Zhongshuang 9” and “SWU 7” were classified as strong tolerance genotypes, and accounted for 18.75％ of the total tested genotypes. “Chuanyou 58”, “Xianyouza 2” and “Chuanyou 20” were classified as weak tolerance geneotypes, and accounted for 9.38％ of the total tested genotypes. The rest were medium tolerance genotypes. Correlation analysis indicated significant to extremely significant correlation between single and comprehensive wet-damage indices. Correlations among most single indicators wet-damage indexes were significant to extremely significant. Root vigor, total dry weight and proline content contributed a total of 79.41％ to comprehensive wet-damage index. These indicators were effective for determining rapeseed tolerance to waterlogging.关键词
甘蓝型油菜/耐湿性/湿害指数/基因型/长江流域分类
农业科技引用本文复制引用
陈娟妮,梁颖..长江流域主要甘蓝型油菜品种苗期耐湿性鉴定[J].中国生态农业学报,2011,19(3):626-630,5.基金项目
国家重点基础研究发展计划(973计划)项目和"十一五"国家科技支撑计划重点项目"油料作物抗灾与节本增效关键技术研究"资助 （973计划）
