ZHANG Lei,SONG Bao-jun,YU Xue-peng,et al.Relative and Path Analysis of Yield andMain Characters in Confectionery Sunflower[J].HEILONGJIANG AGRICULTURAL SCIENCES,2010,(09):46-49.
食用向日葵产量与主要性状相关及通径分析
- Title:
- Relative and Path Analysis of Yield andMain Characters in Confectionery Sunflower
- 文章编号:
- 1002-2767(2010)09-0046-04
- 分类号:
- S565.5
- 文献标志码:
- A
- 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。
- Abstract:
- 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.
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备注/Memo
基金项目:国家向日葵产业技术体系建设资助项目(nycytx-21)