【摘要】 田间试验结果表明 :10 %喹禾灵乳油对棉田禾本科杂草有良好的防除效果。适宜施药时期为靶标杂草基本出齐后至分蘖前 (即禾本科杂草长至 3～ 4叶期 )。适宜用量为 6 0～ 70ml/6 6 7m2 ,除草效果达 92 %～ 94 %。对作物安全 ,使棉花增产达 35 .8%～ 37.2 %。更多还原

【Abstract】 Abstact:The test result in the field shows that 10% Quizalofopety EC has a good prevention and elimination effect on the weeds of the grass family in cotton field .The proper period of spraying medicament is when trhe weeds has three to four leaves.The proper quantity is 60% to 70% ml/667m 2 and the effect of eliminating weeds can achieve 92% to 94%.It’s safe to crop and it can increase the yield of cotton by 35.8% to 37.2%.更多还原