摘要
文章以49份食用向日葵新品系为供试材料,对其9个主要农艺性状对单盘粒重的影响,进行了相关分析和通径分析;并对以农艺各性状为自变量,单盘粒重为依变量进行了多元回归分析。结果表明:盘径、结实率和百粒重对单盘粒重有较大的正向影响;所得回归方程为:Y=-73.03+2.09X4+3.40X8+0.75X9(决定系数R2=0.64)。
This study was conducted with 49 combinations of confection sunflower varieties materials,analyzing the influence of 9 main agronomic traits to the GW-perdisk using correlation analysis and path analysis.Meanwhile,multivariate stepwise regression analysis was commenced,regarding the agricultural traits as independent variables and the GW-perdisk as dependent variables.The results showed that disk track,head diameter,setting percentage and 100-achenes weights appeared significant positive influence,concluding the regression formula as Y=-73.0+2.09X4+3.40X8+0.75X9(determination coefficient:R2=0.64).
出处
《内蒙古农业科技》
2013年第3期22-24,共3页
Inner Mongolia Agricultural Science and Technology
基金
内蒙古自然科学基金(2010MS0308)
关键词
食用向日葵
农艺性状
相关分析
通径分析
Confection sunflower
Agronomic characters
Correlation analysis
Path analysis
