薰衣草叶螨药剂防治筛选试验

为害新疆伊犁薰衣草的主要是土耳其斯坦叶螨(Tetranychus turkestani),通过(240克/升)螺螨酯(4000倍液)、3.2%阿维菌素乳油(3000倍液)、16%四螨.哒螨灵可湿性粉剂(1600倍液)、73%炔螨特乳油(2500倍液)、0.6％苦参碱水剂(1000倍液)5种药剂防治试验,药后1天、3天,3.2%阿维菌素防效最高,达到80.02%和90.30%；药后7天,螺螨酯防效最高,为91.85%；药后15天,螺螨酯防效较好,为95.23%。螺螨酯、阿维菌素、四螨.哒螨灵、炔螨特在0.05显著水平和0.01极显著水平均无显著差异,且最高防治效果均大于85%,建议交替使用。

Lavender Spider Mites Chemical Control Screening ExperimentWang jia-wu1,2,Zhao yi-ying2*,Xu yang1,Li min1,Han hai3

The spider mites Tetranychus turkestani mainly damage the lavender in Xinjiang Yili .which passes (240 g/L) spirodiclofen (4000 times), 3.2% avermectin EC (3000 times),Tetramite pyridaben WP(1600times ), 73% Propargite EC (2500 times), 0.6% matrine AS (1000 times), 5 kinds of chemical control tests, 1 day after drug, 3 Day, 3.2% avermectin has the highest control effect, reaching 80.02% and 90.30%; 7 days after drug, snail ester has the highest control effect, 91.85%; 15 days after drug, spirodiclofen has good control effect, 95.23 %. There were no significant differences between the spirodiclofen, avermectin, Tetramite pyridaben, and Propargite at the significant level of 0.05 and the significant level of 0.01, and the highest control effect was greater than 85%. It is recommended to use it alternately.