马拉硫磷治什么害虫

植物图片 2019-09-11 13:21

说到马拉硫磷治什么害虫通常是用来防治水稻、麦类、果树、蔬菜、豆类、棉花等作物的害虫，马拉硫磷药剂拥有良好的触杀效果，只要被害虫接触就能进入虫体发挥毒杀作用，且毒性较低、残效期短，对人体危害小。

1、水稻害虫

稻叶蝉、稻飞虱是水稻最为常见的虫害，这些虫子会吸食水稻茎叶中的汁液，严重影响水稻的生长发育和后期的产量。在发现虫害后可以喷洒45%马拉硫磷乳油1000倍液喷雾防治。

2、麦类害虫

大麦小麦等作物常被蚜虫、粘虫及其麦叶蜂等虫害侵袭，这些虫害都可以用马拉硫磷进行防治。蚜虫会吸食麦类作物的汁液，而粘虫则会啃食植株的叶子，严重时会将植株的叶子啃光，造成严重的损失，一定要及时灭杀。

3、果树害虫

马拉硫磷也常被用于防治果树类的虫害，比如刺蛾、粉介壳虫、蚜虫及其巢蛾，这些虫害会啃食植株叶子、吸食果树的汁液，造成果树生长发育不良，严重影响产量，可以喷洒45%马拉硫磷乳油1500倍液喷雾进行灭杀防治。

4、蔬菜害虫

可以用马拉硫磷防治的蔬菜虫害有菜青虫、菜蚜等，发现这些虫害一定要立即防治，避免蔬菜的叶子被啃食殆尽。可以喷洒45%马拉硫磷乳油1000倍液进行防治。

5、豆类害虫

在豆类作物上，马拉硫磷多被用来防治大豆食心虫、造桥虫、黄条跳甲等虫害，这些虫害会严重影响豆类作物的产量，一定要及时的喷药防治。

6、棉花害虫

棉花常见的害虫有棉叶跳虫、盲蝽蟓，这些虫害不仅会啃食棉花的叶子，还会钻进棉花的果实中去，造成棉花果实坏死，会严重影响棉花的产量，可以喷洒45%马拉硫磷乳油1500倍液进行防治。

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