Controlling Effects of Carbosulfan·Imidacloprid 20% EC to Aphis gossypii Glover
LIU Hai-qinga, YANG Tian-qib(Hebei University of Engineering a.College of Agriculture; b.Center of Educational Technology, Handan 056038, Hebei, China)
In order to find the optimum concentration of using 20% carbosulfan·imidacloprid, different density of three pesticides had been used to control Aphis gossypii Glover in the field. The results showed that carbosulfan·imidacloprid 20% EC 333.3-666.7 mg/L had a good control to A. gossypii, control effect was more than 95.75%. It had a well quick effect and lasting effect, the control effect was higher than imidacloprid 10% WP and carbosulfan 20% EC. The recommendation density was 333.3 mg/L.