2012•Hubei nongye kexueRequires access
Field Control Effect of Several Pesticides against Pseudophacopteron canarium
MA Ze-song
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Abstract
Field plot experiment was adopted to screen rapidly available,long acting pesticide to control Pseudophacopteron canarium.The results showed that among single reagent treatments,the average control effect of 25% thiamethoxam WG 7 500 times dilution was 79.90%;and the effective period was long.Among mixed reagent treatments,the average control effect of 2.5% effective cyholothrin EW 2 500 times dilution+25% buprofezin WP 1 000 times dilution,2.5% effective cyholothrin EW 2 500 times dilution+25% thiamethoxam WG 7 500 times dilution,24% methonyl SL 1 000 times dilution+25% buprofezin WP 1 000 times was 90.23%,91.53%,90.07%,respectively,which were very significantly higher than that of 24% methonyl SL 1 000 times dilution.And the control effect of each pesticide treatment was very significantly different from that of the blank control.