论文部分内容阅读
一些蔬菜的茎叶及果实可配制成杀虫剂,它们有较好的治虫效果。韭菜:取新鲜韭菜1公斤,捣烂成糊状后加水400～500克浸泡,榨取汁液。用该汁液喷于植株上,具有较好的杀灭蚜虫效果。南瓜叶:将南瓜叶加少量水捣烂,榨取原液。以2份原液加3份水的比例稀释,再加少量皂液,搅匀后喷雾,治蚜虫效果90％以上。丝瓜:将鲜丝瓜捣烂,加20倍水搅拌,取其滤液喷雾,用来防治菜青虫、红蜘蛛、蚜虫及菜螟等害虫,效果均在95％以上。
Some vegetable stems and leaves and fruits can be formulated into pesticides, they have better pest control effect. Leek: Take 1 kg of fresh leek, smashed into a paste after the water 400 to 500 grams soaked, squeezed juice. The juice sprayed on the plant, has a good effect to kill aphids. Pumpkin leaves: pumpkin leaves plus a small amount of water smashed, squeezed liquid. To 2 copies of the original solution plus 3 parts of water diluted, plus a small amount of soap, stir well after spraying, cure aphid effect more than 90%. Loofah: fresh gourd smashed, add 20 times the water mixing, whichever is the filtrate spray, used to control Pieris rapae, spider mite, aphids and stem borer and other pests, the results are above 95%.