国内外试验证明,多效唑(PP_(333))几乎对所有的单子叶和双子叶作物均有活性。能100％抗水稻、小麦、大豆、玉米等作物倒伏,防止作物的徒长,增强作物的有效分蘖,促进作物的光合作用,使作物增产达20～35％。还能防治稻瘟病,抑制杂草生长和纹枯病发生。对麦类、苹果、柑桔、瓜类、葡萄上的白 Domestic and foreign experiments show that paclobutrazol (PP_ (333)) is active on almost all monocotyledonous and dicotyledonous crops. 100% resistance to lodging of crops such as rice, wheat, soybeans and corn prevents crop leggy and enhances effective tillering of crops and promotes photosynthesis of crops, increasing crop yields by 20-35%. Also prevent rice blast, inhibit weed growth and sheath blight occurrence. On the wheat, apples, oranges, melons, grapes on the white