摘要
M-18、运五（Y-5）、海燕650B型飞机每公顷施用300g、375g、450g、525g、600g25％灭幼脲Ⅲ防治3～4龄美国白蛾的试验结果均表明：施药11d后，每公顷施用450g、525g．600g25％灭幼脲Ⅲ号时，防治效果均达到95％以上。考虑用药量因素，每公顷施用450g是最佳用药量。
the test results of M-18, five （Y-5）, 650 B aircraft petrel using 300g, 375g, 450g, 525g, 600g 25 % chlor-benzuron Ⅲ per hectare controlling 3--4 age of American white moth showed that： after spraying lld, the yield of 450g, 525g, 600g 25% chlorbenzuron Ⅲ, controlling effect is more than 95%. Considering the factors of hectare dosage, 450g is the best dosage.
出处
《山东林业科技》
2013年第4期41-46,共6页
Journal of Shandong Forestry Science and Technology
