许多人家中都养花种草,但花草的病虫害防治是常有的麻烦。这里介绍几种既经济实惠又易自制的养花杀虫剂,不妨一试。1、取大葱200克,切碎后放入10公升水中浸泡一昼夜,滤清后用来喷洒受害植株,每天数次连喷5天有效。2、大蒜200—300克,捣烂取汁,加10公升水稀释,立即用来喷洒植株。3、烟草末400克,用10公升水浸泡两昼夜,滤 Many people grow flowers and grass at home, but the pest control of flowers and plants is a constant problem. Here are several affordable and easy to self-made flower insecticide, may wish to give it a try. 1, take 200 grams of green onions, chopped into 10 liters of water soak for a day and night, after the filter used to spray the victim plants, even spray five days a day effective. 2, 200-300 grams of garlic, smashed juice, add 10 liters of water diluted immediately sprayed plants. 3, 400 grams of tobacco, with 10 liters of water soak two days and nights, filtered