食用向日葵产量与主要性状相关及通径分析  

Relative and Path Analysis of Yield and Main Characters in Confectionery Sunflower

作　　者：张雷[1] 宋宝军[1] 于学鹏 李慧英[1] 刘壮[1] 

机构地区：[1]白城市农业科学院,吉林白城137000

出　　处：《黑龙江农业科学》2010年第9期46-49,共4页Heilongjiang Agricultural Sciences

基　　金：国家向日葵产业技术体系建设资助项目(nycytx-21)

摘　　要：研究了食用向日葵杂交种的12个性状与产量的相关关系,并进行了通径分析。结果表明:各性状与产量的相关系数大小依次为,单盘粒重>株高>茎粗>单盘结实数>百粒重>单盘总粒数>结实率>籽仁率>叶数>粒宽>盘径>粒长。产量与盘径呈不显著正相关,与粒宽和粒长呈不显著负相关,与另9个性状呈极显著正相关。株高、百粒重、单盘粒重和单盘结实数对产量的直接作用效应较高。Path and correlation coefficient analysis of 12 yield components were studied for confectionery sunflower hybrids.The results indicated that the correlation coefficient of each characteristic and yield was yield per plant〉plant height〉stem diameter〉seed number per plant〉100-seed weight〉disc flower per head〉percent seed set〉kernel in seed〉leaf number〉seed width〉head diameter〉seed length.The yield and head diameter was non significant positive correlation.The seed width,seed length and yield were non significant negative correlation.The yield and other 9 characteristics were highly significant positive correlation.The results were obvious highly effects of plant height,100-seed weight,yield per plant and seed number per plant on yield by the path coefficient analysis.

关 键 词：食用向日葵 产量 性状相关 通径分析 

分 类 号：S565.5[农业科学—作物学]