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喷肥皂液:因肥皂可堵塞害虫的呼吸器官,所以可使其窒息而死,对蚜虫、蚧壳虫有效。取肥皂1份,加50份热开水溶化后喷施。 喷皂荚液:取皂荚荚果1份捣碎,加水10份,浸泡24小时后过滤,取滤液喷施,可治蚜虫。 喷韭菜液:取50克韭菜叶捣烂,加水500克,过滤得滤液后,对着蚜虫虫体喷洒,可杀死蚜虫。为防止月季的白粉病和黑斑病,则可用新鲜韭菜叶50克,捣烂后加水3000克过滤,用滤液喷洒叶面,每隔三天再喷洒1～2次,效果也很好。
Spray soap: Because soap can block the respiratory organs of pests, so they can suffocate and die, aphids, scale insects effective. Take 1 part of soap, add 50 parts of hot water after spraying. Spray pod liquid soap: Get pods pod 1 mashed, add water 10 parts, soak for 24 hours after filtration, the filtrate spray, can cure aphids. Spray leek liquid: Take 50 grams of leek leaves smashed, add water 500 grams, after filtration of the filtrate, sprayed against the aphid parasites can kill aphids. In order to prevent the powdery mildew and the black spot of the rose, you can use the fresh leek leaves 50 grams, 3000 grams of water after smashed filter, spray the foliage with the filtrate every three days and then spraying 1 or 2 times, the effect is also very good.