高锰酸钾防治蔬菜病害有特效用适当浓度的高锰酸钾溶液防治瓜果蔬菜病害有非常明显的效果。番茄、甜椒的病毒病发病初期，用０．１％～０．１５％的高锰酸钾溶液连喷３次，每５～７ｄ一次，可起到药到病除，控制病害蔓延的奇效；黄瓜，西瓜枯萎病发病初期，用８００～１０... Potassium permanganate prevention and treatment of vegetable diseases have special effects with the appropriate concentration of potassium permanganate solution control of vegetable diseases have a very significant effect. Tomato, sweet pepper disease early onset, with 0.1% to 0.15% of the solution of potassium permanganate even spray 3 times, every 5 ~ 7d time, can play the medicine to the disease in addition to control the spread of disease miraculous ; Cucumber, watermelon Fusarium wilt onset, with 800 ~ 10 ...