吡虫啉·噻嗪酮对芒果介壳虫的田间防效研究

The Field Efficacy Test of Imidacloprid·buprofezin to Prevent and Control the Scale Insects of Mango

介壳虫是危害昌江芒果的重要害虫。为有效控制该虫为害,开展田间药效试验,设置38%吡虫啉·噻嗪酮悬浮剂三组施药量,通过与2种对照药剂和空白对照比较其防效。研究结果表明,38%吡虫啉·噻嗪酮悬浮剂在有效成分含量190 g/hm^2时防效最佳,吡虫啉·噻嗪酮143 g/hm^2的防效与吡虫啉190 g/hm^2和噻嗪酮190 g/hm^2的防效相当,且对芒果无药害,对天敌无毒害作用。38%吡虫啉·噻嗪酮悬浮剂143~190 g/hm^2可用于防治芒果介壳虫。

The scale insects was one of the important pests endangering mango in ChangJiang. To control the harm of pests effectively, the field efficacy test was carried out. The dosage of 38% imidacloprid and chlorpromazine suspension with three groups, and compared control effect with 2 control agents and blank control.The control effect of 38% imidacloprid.buprofezin was the best with the active ingredient content of 190g/hm^2. The control effect of imidacloprid .buprofezin with the content of 143 g/hm^2 was the same with the content of 190 g/hm^2 imidacloprid .buprofezin. The agent had the best control effect and the biology was safe. This drug could be used in production.