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试验结果显示,参试药剂对蓟马均有一定防效,施药后1 d 0.3%绿晶印楝素乳油150和225 mL/hm2;赛文1500和2250 mL/hm2;2.5%菜喜悬浮剂900和1500 mL/hm2的防效分别为99.77%和99.75%;84.00%和60.79%;54.28%和56.79%。药后10 d 0.3%绿晶印楝素乳油150和225 mL/hm2的防效分别达到96.06%和96.31%,表明该药对蓟马防治速效性和持效性均较好。
The test results showed that the tested agents had certain control effects on thrips, with 1% 0.3% green azadirachtin EC 150 and 225 mL / hm2 1 day after application; racemic 1500 and 2250 mL / hm2; 2.5% The control efficacy of 900 and 1500 mL / hm2 were 99.77% and 99.75%; 84.00% and 60.79%; 54.28% and 56.79%, respectively. The control efficacy of 0.3% azadirachtin EC at 150 and 225 mL / hm2 reached 96.06% and 96.31% respectively on the 10th day after the drug administration, indicating that the drug was effective and fast for the control of thrips.