炔草酯是小麦田防除禾本科杂草的常用茎叶处理除草剂,能防除野燕麦、看麦娘、硬草、菵草、棒头草等杂草。炔草酯对小麦的安全性较好,在小麦2叶1心期至拔节之前均可施用。掌握在禾本科杂草2~4叶期施药,一般每亩用炔草酯纯药3~4.5克。草龄增大后适当增加用药量,田间杂草耐药性较强时也应适当增加用药量。炔草酯在低温期施用也有 Clodinafop is a common stem and leaf herbicide used to control gramineous weeds in wheat fields. It can control wild oats, weeds, hard grass, hay fever, head grass and other weeds. Clodinafop propargyl safety of wheat is better, can be applied before the wheat 2 leaves 1 heart period to jointing. Master Gramineae weeds 2 to 4 leaf application, the general use of clodinafop-propargyl pure drug 3 to 4.5 grams. When the grass age is increased, the dosage should be increased appropriately. When the weed resistance in the field should be strong, dosage should be appropriately increased. Clodinafop control at low temperatures also have