一向在卫生防疫队伍中“服役”的高锰酸钾,近年来已在农业生产上得到应用,创造了不小的经济效益。试验表明用,0.15-0.02％的高锰酸钾溶液浸种水稻72小时,不但能杀死附着在种子表面的病菌,而且可提高发芽率21.5％,提高成秧率32.3％。用于油菜浸种,可提高千粒重17克。在水稻稻瘟病、白叶枯病、纹枯病即将发生时,用0.3％浓度的高锰酸钾在下午4时后喷雾一次,即可收到85％的防治效果。用 Potassium permanganate, which has always been “served” by the health and epidemic prevention team, has been applied in agricultural production in recent years and created notable economic benefits. Experiments show that with 0.15-0.02% of potassium permanganate solution soaking rice for 72 hours, not only can kill the bacteria attached to the surface of the seed, but also improve the germination rate of 21.5%, raising the rate of 32.3%. Used for rapeseed soaking, grain weight can increase 17 grams. In rice blast, bacterial blight, sheath blight is imminent, with 0.3% concentration of potassium permanganate in the afternoon after 4:00 spray, you can receive 85% of the control effect. use