摘要
运用逐步回归、通径分析和相关性分析方法,研究了13个杂交棉品种中6个农艺性状对皮棉产量的影响,以及产量与产量性状间的相关性性。结果表明:单株果枝数、铃重和铃数对皮棉产量有显著的负向直接贡献,株高、衣分和籽指对皮棉产量均表现为显著的正向贡献。衣分与皮棉产量间的相关系数最大。
The paper studied the effects of 6 agronomic characters of 13 hybrid cotton varieties on lint yield and the cor- relation between yield and yield traits, using stepwise regression, path analysis and correlation analysis method. The results showed that： the boll number, boll weight and boll number had negative direct contribution significantly on lint yield, plant height, lint percentage and seed index were significantly positive contribution, the correlation coefficient was highest between yield and lint percentage.
出处
《棉花科学》
2014年第2期19-22,共4页
Cotton Sciences
关键词
棉花
杂交棉品种
逐步回归分析
通径分析
相关性分析
Cotton
Hybrid cotton variety
Stepwise regression analysis
Path analysis
Correlation analysis
