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１９９８～１９９９年笔者用辣椒水加洗衣粉防治庭院苹果树黄蚜,效果很好。其具体做法是,选取１ｋｇ辣味较浓的辣椒切成丝,放入２０ｋｇ水中煮沸后浸泡约２４ｈ,滤出清液后加入洗衣粉５０ｇ,搅拌均匀即可使用。在苹果树萌芽展叶期,虫芽率达５%时开始喷施,间隔５～７ｄ喷１次,连
From 1998 to 1999, the author used pepper water and washing powder to prevent and control garden apple aphid, and the effect was very good. The specific approach is to select 1kg chili peppers thicker cut into filaments, into 20kg boiled water soak for about 24h, filter out the supernatant by adding washing powder 50g, stir can be used. Sprout in the apple tree leaf stage, insect bud rate of 5% when the spray started spraying interval 5 ~ 7d 1, and even