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问:月季发现红蜘蛛、灰霉病有否自制浸剂可以防治? 答:可以用大蒜或洋葱浸剂防治。用大蒜20克,捣碎后浸提汁液,稀释水中,立即喷洒在被害植株上,对红蜘蛛、蚜虫,介壳虫、灰霉病、根腐病等都有较好的效果。也可以用洋葱鳞瓣20克,浸入水中,浸泡24小时后过滤,给被害植株喷洒2～3次,间隔5天一次,可防治红蜘蛛与蚜虫等。此外,潜藏在花木翘皮、裂皮内的害虫与暴露在枝干上、叶片正反面的越冬害虫,在冬季要用刮刀将
Q: Rose found spider mites, gray mold disease can be self-made drench control? A: You can use garlic or onion drench control. With 20 grams of garlic, mashed and leached juice, dilute the water, immediately sprayed on the victim plant, the spider mite, aphids, scale insects, gray mold, root rot and so have a good effect. You can also use onions squatting flap 20 grams, immersed in water, soaked for 24 hours after filtration, spraying the victim plants 2 to 3 times, once every 5 days to prevent spider mites and aphids. In addition, lurking in the flowers and trees, split skin pests and exposed on the branches, the positive and negative of the leaves of overwintering pests in the winter to use a scraper