1%农哈哈杀虫素与其它杀虫剂的混用效果

EFFECTS OF USING MIXTURES OF 1% ABAMECTIN EC PLUS OTHER INSECTICIDES FOR CONTROLLING Plutella xylostella L. AND Pieris rapae L.

每６６６．７ｍ ２ 菜田用１％ 农哈哈杀虫素６０００ 倍混以 ２０００ 倍２５％ 爱卡士、混以 Ｂｔ 粉剂７５ ｇ，分别防治小菜蛾、菜青虫的药效比单用爱卡士１０００ 倍、 Ｂｔ粉剂１５０ ｇ 有显著增效作用，二种混用组合与单用农哈哈杀虫素３０００ 倍相比，每６６６．７ｍ ２ 分别可节约用药成本６．４％ 和 ２３．０％ 。

The mixture of diluted 1/6000 1% Abamectin EC plus diluted 1/2000 25% Quinalphos EC and the mixture of diluted 1/6000 1% Abamectin EC plus 75g Bt WP were used for controlling Plutella xylostella L.and Pieris rapae L.respectively in the experiments.Compared to results of using only diluted 1/1000 Quinalphos EC or 150g Bt WP,the control effects of mixtures increased significantly.Compared to the costs of using only diluted 1/3000 Abamectin EC,using the two mixtures can save the costs by 6.0% and 23.0% respectively.