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1.菜蚜 即蚜虫,又叫腻虫、油虫、蜜虫。幼苗被害生长缓慢,严重时生长停滞。叶片被害后,卷缩、变形,吸食处形成褪色斑点,导致植株生长不良。另外蚜虫又是多种病毒的传播者。防治方法:当蚜株率达到5％、百株蚜量达200头左右时要及时喷药防治,可选用40％氧乐果乳油1500倍液,或50％辟蚜雾可湿性粉剂
1. Aphids that aphids, also known as greyworms, oil insects, honey insects. Seedlings grow slowly and die in severe growth. After the leaves were killed, curled, deformed and smoked spots formed fading spots, resulting in poor plant growth. Another aphid is a variety of virus transmission. Prevention and treatment methods: When the aphid plant rate of 5%, about 200 aphids when the amount of about 200 when the spraying should be timely control, the choice of 40% Omethoate 1500 times the solution, or 50% provision of aphids fog wettable powder