Bt油悬浮剂防治马尾松毛虫试验

Test on Control of Dendrolimus punctatus with Bt OF

试验表明,农药新剂型———8000IU·μL-1Bt油悬浮剂防治马尾松毛虫效果好,在每公顷用药量3000mL情况下,第5天防效可达90%以上,同时可提高效率降低成本。

The results of field trial indicated that new pesticide formulation,8 000IU·μL-1 Bt OF,can control Dendrolimus punctatus at 3 000mL·hm-2. The control effects are more than 90% after 5 days. Meanwhile it also can decrease the cost and increase the efficiency.