]*>","")" /> Premilimary Report of Prevention and Cure Experiment of Pink Boilworm by Belt Spraying Pesticide

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Premilimary Report of Prevention and Cure Experiment of Pink Boilworm by Belt Spraying Pesticide

  • Received:2001-02-25 Revised:2001-02-25 Online:2001-02-25 Published:2001-02-25

带状施药防治棉铃虫试验研究初报

宋庆平;陈红   

  1. 新疆农垦科学院棉花所,

摘要: 试验结果表明,参试药剂敌杀死、赛丹等带状喷雾对棉铃虫有较好的防效,防治后第 1d防效均较低,防治后第7d都达到最高,防效分别是:81.5;和72.4;,药后20d仍有 40;~50; 的防效。带状喷雾对棉田天敌有一定的保护作用,35;赛丹乳油药后15d,带状喷雾区天敌增长成正增长,增长率+3.8;,常规喷雾区天敌增长成负增长,增长率-2.9;。2.5;敌杀死乳油药后20d,带状喷雾区天敌增长成正增长,增长率+11.2;,常规喷雾区天敌增长成负增长,增长率-18.8;。