大豆生育期间,蚜虫的为害对大豆多个经济性状均有影响。蚜虫发生数量与大豆秕荚率呈显著正相关,与大豆百粒重、单株粒重呈显著负相关。 During the period of soybean growth, the damage of aphids affects many economic traits of soybean. There was a significant positive correlation between the number of aphids and the pod rate of soybean, and a significant negative correlation with the weight of soybean and weight per plant.