5%高效盖草灵 (江苏丰山集团生产 )是一种旱田苗后高效除草剂。为了明确其防除油菜禾本科杂草的效果和合理施药剂量 ,我们于 1 998年秋后移栽油菜田进行了药效试验。现将试验结果小结如下。1　材料与方法试验用 5%高效盖草灵每 667m2 30 ml、40 ml、50 ml和 1 0 .8%高效盖草能 5% Gaoligong Ling (Jiangsu Fengshan Group) is a highly effective herbicides after field. In order to clarify its effect of controlling rape gramineous weeds and the reasonable application dose, we conducted transplanting rape field after the fall of 1998 to conduct the efficacy test. The test results are summarized below. 1 Materials and methods Experiments with 5% high-efficient caulis Ling per 667m2 30 ml, 40 ml, 50 ml and 1.08%