摘要
松阿扁叶蜂是目前商洛市油松林主要食叶害虫,严重威胁油松林的生长质量和森林资源安全。本文通过对商洛市松阿扁叶蜂的发生规律、危害现状进行多年设点监测,连续三年采用贝尔B-7140型直升飞机超低容量喷洒"噻虫啉+白僵菌"防治松阿扁叶蜂,防治面积累计2.2万hm2。结果表明,飞机防治能有效遏制松阿扁叶蜂对油松林的为害,选用"噻虫啉"和"白僵菌"环保农药进行防治,平均虫口减退率96%以上,平均防治效果在95%以上,防治成本大幅下降,省时省力,防效显著。
Acantholyda posticalis is defoliators on pines in Shangluo city and has serious threat to the quality of Pinus tabulaeformis forest growth and security. Based on past years＂ monitoring of its behavior and life cycle, pesticide Beauveria bassiana thiacloprid was sprayed by Bell B-7140 helicopter with ultra low volume spraying for last three consecutive years in an area of 22 000 hm^2. The result showed that aerial spray for control is effective and average population of insect decreased by 96 %, with average effect about 95%. The cost has also dropped significantly.
出处
《陕西林业科技》
2017年第1期41-44,共4页
Shaanxi Forest Science and Technology
关键词
油松
松阿扁叶蜂
飞机喷药
防治
P inus tabulae f ormis
acanthol yda posticalis
aerial spray
prevention
