论文部分内容阅读
应用通径分析和典型相关分析对双低油菜来交种豫油4号的产量构成因素进行了分析。结果表明：株高、分技部位、一次有效分枝数、单株角果数、单株产量、用粒数、千粒重是其产量的主要构成因素。其中分校部位对产量的效应为负值．南长和千粒重对产量的作用小，其余5个性状对产量的通径系数均较大．且为正值。与双低常规品种豫油2号和高芥政、高硫武杂交税秦油2号相比，豫油4号产量结构更趋合理。豫油4号的农艺性状与经济性状间呈显著相关关系，其丰产性、稳产性好，适应性广。
By using the path analysis and the canonical correlation analysis, the yield components of the hybrid rapeseed Yuyou 4 were analyzed. The results showed that the main factors of plant height, technical division, primary effective number of branches, single pod number per plant, single plant yield, grain yield and 1000-grain weight were the main factors. Among them, the effect of campuses on production is negative. South longan and 1000-grain weight on the role of yield is small, the other five traits on the yield path coefficient are larger. And positive. Compared with the low-conventional varieties Yuyou 2 and Gaohouzheng and Sulfur-rich Wuza tax Qinyou 2, the yield structure of Yuyou 4 was more reasonable. There was a significant correlation between agronomic traits and economic traits of Yuyou 4, with high yield, stable yield and wide adaptability.