【摘要】 用20%丁硫·吡虫啉EC333.3～666.7mg/L及10%吡虫啉WP333.3mg/L和20%丁硫克百威EC1000mg/L在田间对棉蚜进行药效试验,得出20%的丁硫·吡虫啉EC对棉蚜经济有效的使用质量浓度。试验结果表明:20%的丁硫·吡虫啉EC333.3～666.7mg/L对棉花的苗蚜和伏蚜均具有良好的防治效果,防治效果在95.75%以上,表现出良好的速效性和持效性,防效高于单独使用10%吡虫啉WP和20%丁硫克百威EC,推荐使用质量浓度为333.3mg/L。更多还原

【Abstract】 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.更多还原