摘要
应用内吸性杀虫剂3%呋喃丹和15%铁灭克防治柽柳上的棉蚜,剂量分别为0.5g/株和0.3g/株时,即可得到理想的杀虫效果,杀虫率分别为87.6%和92.5%.当呋喃丹和铁灭克的施药剂量分别为1.0g/株和0.9g/株时,对天敌有显著的伤害作用。
3% Furadan and 15%Temk with dosage of 0.5g/tree and 0.3g/tr-ee seperately can be applied for controlling Aphis gossgpii harming Ta-marix Chinensis. And, when their dosage is higher than 1.0g/tree and 0.9g/tree respectively, the natural enemy of the insect would be harmed.
关键词
棉蚜
七星瓢虫
呋喃丹
铁灭克
Aphis gossgpii
Coocineiia seplempvnctata
Furadan
Temk.