摘要
为有效防治微红梢斑螟,调查了试验地微红梢斑螟的发生规律,并采用人工+化学防治手段进行综合治理。结果表明:该虫喜温暖,幼虫常见于早春活动,在试验区1a发生2代,在盛夏时存在幼虫、蛹、成虫的叠加虫态,人工林的受害程度更高。防治试验显示:人工剪除被害枝条可以显著降低林内害虫发生率,“药剂+渗透剂”的组合对蛀道内幼虫有杀灭效果,其中以1000倍2%甲维盐+250倍柔脂通对蛀道内幼虫的防治效果最好,防治10d后蛀道内幼虫死亡率达到了71.11%。
In order to control Dioryctria rubella Hampson,by investigated the occurrence pattern of Dioryctria rubella in the experimental area and used artificial+chemical control methods for integrated management.The re-sults showed that the pestpreferred a warm environment,and the pest are active in early spring,and two gen-erations occur in a year in the experimental area.In summer,there is a superposition of larvae,pupae and adult insects,and the degree of damage in planted forests is higher.Control tests have shown that manual cut-ting of infested branches can significantly reduce the incidence of pests in forests.The combination of"chemical+infiltrant"had the effect of killing the pest in the tracts,among which 1000 times 2%mevalonate+250 times flexiton had the best effect on the larvae in the tracts,and the mortality rate of the larvae in the tracts reached 71.11%after 10d of control.
作者
高卓田
殷小娟
张江
李辉
杨宝平
张桂芳
GAO Zhu-tian;YIN Xiao-juan;ZHANG Jiang;LI Hui;YANG Bao-ping;ZHANG Gui-fang(Hongyashan State-owned Forest Farm in Hebei Province,Yixian,Hebei 074200)
出处
《河北林业科技》
2022年第1期27-29,共3页
Journal of Hebei Forestry Science and Technology
关键词
微红梢斑螟
发生规律
防治效果
Dioryctria rubella
occurrence regularity
control effect
