安徽农业科学2017，Vol.45Issue(21)：16-18,150,4.
不同大豆品种产量及其构成因素比较
Comparison of Yield and Its Components of Different Soybean Varieties
尉晶1
作者信息
- 1. 山东省龙口市农业技术推广中心,山东龙口 265701
- 折叠
摘要
Abstract
[Objective]To study yield and its components of different soybean varieties.[Method]Under the condition of outdoor cultivation,the sub-limited drought-resistant varieties Hefeng 50 (H50) and Heinong 48(H48),infinite drought-resistant varieties Nenfeng 18 (N18) and Hefeng 55(H55) were used as experimental materials to study their root-canopy ratio,yield and its components.[Result]The root-canopy ratio of different soybean varieties showed a tendency to decrease first and then rise,the highest point was in the V6 period,the maximum of Hefeng 55 and the minimum of Nenfeng 18 were 0.252,0.173,respectively.The lowest point was in the R5 period,at the moment,Heinong 48 (0.159) was the maximum,Nenfeng 18 (0.114) was the minimum.The root-canopy ratio was negatively correlated with the number of pods per plant,the negative correlation value was maximum in the V6 period (r=-0.814).The root-canopy ratio was positively correlated with the number of pods in the R6 period(r=0.647),while the negative correlation was minimum in the R7 period (r =-0.367).The positive correlation value between root-canopy ratio and 100-grain weight was maximum in the R5 period(r =0.919).The root-canopy ratio was negatively correlated with grain weight per plant in the whole growth period,the highest point was in the V6 period (r=-0.922).[Conclusion]The study can provide guidance for soybean field fertilizer management.关键词
大豆/根冠比/产量Key words
Soybean/Root-canopy ratio/Production分类
农业科技引用本文复制引用
尉晶..不同大豆品种产量及其构成因素比较[J].安徽农业科学,2017,45(21):16-18,150,4.
