结果表明,桃蚜和萝卜蚜两种菜蚜,主要在嫩叶和老叶的背面取食,成叶背面也有一定数量,但萝卜蚜在成叶上的发生比率较桃蚜明显要高。
The results showed that the two aphids, namely Myzus persicae and Lipaphis erysimi, mainly fed on the underside of young and old leaves.
结果表明,桃蚜和萝卜蚜两种菜蚜,主要在嫩叶和老叶的背面取食,成叶背面也有一定数量,但萝卜蚜在成叶上的发生比率较桃蚜明显要高。
The results showed that the two aphids, namely Myzus persicae and Lipaphis erysimi, mainly fed on the underside of young and old leaves.
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