地里的土蚕怎么消灭啊!除了打药?

发布网友发布时间：2022-08-16 10:50

共2个回答

热心网友时间：2023-10-05 06:54

除了打药外还可以用以下方法：
一、农业防治：
1、除草灭虫。杂草是土蚕产卵的场所，也是幼虫向作物转移为害的桥梁。因此，春耕前进行精耕细作，或在初龄幼虫期铲除杂草，可消灭部分虫、卵。
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2、诱杀成虫。结合黏虫用糖、醋、酒诱杀液或甘薯、胡萝卜等发酵液诱杀成虫。
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3、诱捕幼虫。用泡桐叶或莴苣叶诱捕幼虫，于每日清晨到田间捕捉；对高龄幼虫也可在清晨到田间检查，入如果发现有断苗，拨开附近的土块，进行捕杀。
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4、人工捉治：清晨扒开断苗周围的表土可捉到潜伏的高龄幼虫，连续捉治数天收效良好。
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二、化学防治：
对不同龄期的幼虫，应采用不同的施药方法。幼虫3龄前用喷雾，喷粉或撒毒土进行防治；3龄后，田间出现断苗，可用毒饵或毒草诱杀。
1、喷雾。每公顷可选用50%辛硫磷乳油750ml，或2.5%溴氰菊酯乳油或40%氯氰菊酯乳油300-450ml、90%晶体敌百虫750g，对水750L喷雾。喷药适期应在有虫3龄盛发前。
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2、毒土或毒砂。可选用2.5%溴氰菊酯乳油90-100ml，或50%辛硫磷乳油或40%甲基异柳磷乳油500ml加水适量，喷拌细土50kg配成毒土，每公顷300-375kg顺垄撒施于幼苗根标附近。
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3、毒饵或毒草。毒饵可选用90%晶体敌百虫0.5kg或50%辛硫磷乳油500ml，加水2.5-5L，喷在50kg碾碎炒香的棉籽饼、豆饼或麦麸上，于傍晚在作物根际附近围施，每公顷用75kg；毒草可用90%晶体敌百虫0.5kg，拌砸碎的鲜草75-100kg，每公顷用225-300kg。
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热心网友时间：2023-10-05 06:54

热心网友时间：2023-10-05 06:55

使用充分腐熟的农家肥土层有一定的趋肥性施肥的时候使用充分腐肥的农家肥可以避免滋生土产而且复肥的农家肥释放的热量还能杀部分的土地里的土蚕。黑光右灯。黑光灯诱杀利用土蚕的趋光性采用用黑光灯诱杀土蚕的成虫。