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草莓被小虫子吃怎么办
更新时间: 2021-01-13 19:46:15  

1、线虫:寄生在草莓组织中,危害叶柄、芽、根等,使被害器官变成红色,严重时植株枯死。防治方法:一是烧毁病株,用敌百虫乳剂400~500倍液,每10天喷1次,连喷3次。

2、蛴螬:在草莓收获期和八九月份咬食根、茎,使植株枯死。防治方法:在危害期灌注90﹪的敌百虫1000倍液,也可结合浇水向流水中滴入水胺硫磷,每667㎡用药1千克。

3、草莓卷叶蛾(via zhiwuwang)每年4~5月份虫卵孵化成幼虫,幼虫吃叶,并把叶卷起来在里面吐丝结网继续危害。防治方法:开花前和采摘后,用50﹪马拉硫磷1000~1500倍液或40﹪乐果1000倍液喷雾防治。

关键词: 草莓 虫子 怎么办

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