摘要
纵坑切梢小蠹(Tomicus Piniperda)是危害西宁南北山绿化区的主要害虫之一。选用18%氧乐果乳油、5%吡虫啉乳油、25%噻虫嗪水分散粒剂和树虫净等内吸性药剂,采用打孔注药(或瓶插)+喷冠、药泥涂干+喷冠的方式进行防治试验。结果表明:氧乐果药泥涂干+喷冠防治纵坑切梢小蠹的效果最好,其次为噻虫嗪药泥涂干+喷冠、树虫净瓶插+噻虫嗪喷冠。采用强内吸性药剂原液加入橙皮精油制成药泥,涂抹到油松树基至树冠的干部,并在转梢期进行药剂喷冠,可有效杀死皮下纵坑切梢小蠹幼虫和成虫。
Tomicus Piniperda isa main insect pest causing damage to green areas in southern mountains and northern mountains of Xining City.An experiment on chemical control was conducted using systemic insecticides including 18%omethoate emulsion,5%imidacloprid emulsion,25%thiamethoxam water dispersible granules and Shuchongjing through trunk injection(insecticide bottle)+crown spraying,and application ofdried insecticide mud+crown spraying.The results showed the best control effect of the application ofdried omethoate mud+crown spraying against Tomicus Piniperda,followed by the application ofdried thiamethoxam mud+crown spraying,and then Shuchongjing bottle+crown spraying with thiamethoxam.Itdemonstrates that preparing insecticide mud by adding orange peel essential oil to the stock solution of strong systemic insecticides andapplying to the trunk from the base to the crown of Pinus tabuliformis,and spraying to the crown during the shoot transition period,which was could effectively killed the larvae and adults of Tomicus Piniperda under the bark.
作者
殷光晶
李玉桂
郭昕
YIN Guang-jing(Qinghai Province North and South Mountain Greening Service Center,Xining Qinghai 810028,China)
出处
《青海草业》
2024年第2期23-26,31,共5页
Qinghai Prataculture
关键词
纵坑切梢小蠹
药剂
打孔注药
药泥涂干
喷冠
Tomicus Piniperda
Insecticide
Trunk injection
Application ofdried insecticide mud
Crown spray
