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怎样防治地老虎

Miss Chen
11-17
地老虎是鳞翅目夜蛾科的害虫,其防治方法如下:

①清除田间和周围杂草。因为第一代卵和幼虫多在小蓟等杂草上生活,除去杂草,可消灭部分虫卵和幼虫;
②利用黑光灯或糖醋液诱杀成虫。糖醋液配方是:红糖1份、醋3份、水10份,另加可溶性敌百虫0.3份,充分拌匀即可。盛在盘内,于无风晴天的傍晚放在距地面约30厘米处,每200平方米花卉幼苗地放l盘,次日上午取回清除死蛾,傍晚再放回原处诱杀;



③低龄幼虫期,喷洒50%的辛硫磷乳剂1000倍液,或用40%的甲基异柳磷配成毒土(药、土配比为1:10),条施在花卉行间,可起到触杀作用。同时对蛴螬、金针虫等地下害虫也有防治效果。此外,成虫发生期,每天清晨在花苗附近捕捉成虫或浇水捕捉幼虫,也有一定效果。
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