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菜丰宁是南京农业大学新近合成的生物农药,专门用来防洽白菜软腐病。白菜软腐病是白菜三大病害之一,造成腐烂、缺苗甚至烂窖,防治效果历来不佳。 1989年,我们在较感病的新三包品种上用菜丰宁进行试验,取得了较理想效果。具体方法是,亩用200克菜丰宁拌种,防效27％,增产18.58％。 100倍菜丰宁在生长期喷根,防效47％增产15.57％。 50倍菜丰宁在生长期准根,防效13％增产16.46％。
Vegetable Fengning Nanjing Agricultural University recently synthesized biological pesticides, specifically for the prevention of cabbage soft rot. Cabbage soft rot disease is one of the three major diseases cabbage, resulting in decay, lack of seedlings and even rotten pit, the control effect has always been poor. In 1989, we tested the vegetables with Fengfengning on the more susceptible new three-package varieties and achieved satisfactory results. The specific method is, mu 200 grams of vegetables Fengfengnong dressing, control effect 27%, an increase of 18.58%. 100 times the vegetables Fengning spraying roots in the growth period, control efficiency 47% increase 15.57%. 50 times the abundance of vegetables Fengning in the growth of quasi-root, 13% control effect 16.46% increase.