黑龙江省自育中晚熟玉米品种主要农艺性状与产量的灰色关联分析  

Grey Correlative Degree Analysis of Main Agronomic Traits and Yield for Self Cultivated Middle and Late-maturity Maize Varieties in Heilongjiang Province

作　　者：闵丽[1] 李伟忠[1] 许崇香[1] 安英辉[1] 孙梅[1] 姜森[1] 

机构地区：[1]黑龙江省农垦科研育种中心,黑龙江哈尔滨150036

出　　处：《黑龙江农业科学》2013年第4期4-6,共3页Heilongjiang Agricultural Sciences

基　　金：黑龙江省农垦总局科技攻关资助项目(HNKXIV-03-01)

摘　　要：为了探讨对黑龙江省中晚熟玉米产量贡献较大的性状,以指导玉米自交系组配组合,提高育种效率,采用灰色关联分析法对黑龙江省自育中晚熟玉米杂交组合101个品种的产量与主要农艺性状进行关联性分析。结果表明:玉米杂交组合的产量是由多种因素控制的,农艺性状中影响产量的因素排列顺序为:株高>出籽率>穗位>百粒重>穗行数>出苗期>穗长>吐丝期>散粉期>穗粗>秃尖长。所确定的各因素对产量影响的主次关系,可为玉米育种提供参考依据。In order to discuss agronomic traits of big contribution to yield of self cultivated middle and late-maturity maize varieties in Heilongjiang province to guide maize inbred lines equipping combination, enhance efficiency of breeding,the relationship of yield and main agronomic traits of 101 self cultivated middle and late-maturity maize varieties in Heilongjiang province were analyzed by method of grey correlative degree analysis. The results showed that the yield of maize hybridized combination was affected by multiple factors. The order of the correlation degree between yield and main agronomic traits among different varieties was as follow： plant height〉kernel ratio〉ear height〉lOO-seed weight〉row number per ear〉seedling stage〉ear length〉silking stage〉pollination stage〉ear diameter〉bald top length. The identified the influence of main agronomic traits to yield could provid the theoretical reference for high yield maize breeding.

关 键 词：自育玉米 农艺性状 灰色关联分析 

分 类 号：S513[农业科学—作物学]