At the seedling and beginning flowering stages,2.5% deltamethrin EC was sprayed to control the pests in summer soybean,and its effects on agronomic traits and yield of soybean were analyzed.The results showed that com...At the seedling and beginning flowering stages,2.5% deltamethrin EC was sprayed to control the pests in summer soybean,and its effects on agronomic traits and yield of soybean were analyzed.The results showed that compared with the control,the plant height,branch number,effective pod number,grain number per plant,grain weight per plant,100-grain weight and yield of Qihuang 34 significantly increased by 9.3%,25.8%,15.8%,26.8%,33.2%,9.1% and 33.0%,respectively,while those of Qihuang 35 increased by 13.8%,10.0%,15.8%,16.9%,11.6%,6.0%and 16.9%,respectively;the noneffective pod number of Qihuang 34 and Qihuang35 significantly decreased by 18.5% and 38.7%,respectively.The spraying of 2.5%deltamethrin EC showed no significant effects on the other agronomic traits of the two cultivars.展开更多
文摘At the seedling and beginning flowering stages,2.5% deltamethrin EC was sprayed to control the pests in summer soybean,and its effects on agronomic traits and yield of soybean were analyzed.The results showed that compared with the control,the plant height,branch number,effective pod number,grain number per plant,grain weight per plant,100-grain weight and yield of Qihuang 34 significantly increased by 9.3%,25.8%,15.8%,26.8%,33.2%,9.1% and 33.0%,respectively,while those of Qihuang 35 increased by 13.8%,10.0%,15.8%,16.9%,11.6%,6.0%and 16.9%,respectively;the noneffective pod number of Qihuang 34 and Qihuang35 significantly decreased by 18.5% and 38.7%,respectively.The spraying of 2.5%deltamethrin EC showed no significant effects on the other agronomic traits of the two cultivars.
