摘要
2015年初次发现二点委夜蛾在冀东地区危害玉米,虫量较少,危害较轻。2017年在冀东地区暴发,严重影响夏玉米生产。2017年7月对冀东地区10个县(区)贴茬播种、播前旋耕、焚烧秸秆和前茬花生4种夏玉米种植模式的二点委夜蛾发生情况进行系统调查。结果表明,二点委夜蛾在冀东地区分布主要集中在唐山高新区、开平区等6县(区)的贴茬播种夏玉米区域,其他种植模式未见被害。唐山高新区高各庄镇、丰润区白官屯镇、玉田县亮甲店镇、鸦鸿桥镇、丰南区钱营镇和小集镇虫口密度较高,分别达14.16、11.23、8.80、5.56、12.97和6.05头/m^2,唐山高新区高各庄镇最高虫口密度达43头/m^2。
Athetislepigone was the first found in eastern of Hebei province in 2015 and broke out in 2017. Theoccurrence of Athetislepigone was investigated in 2017. The result showed that the pests were found in the field withstubble of 6 counties, and did not damage other sowing mode. The density of pests in Gaogezhuang town, Baiguantuntown, Liangjiadian town, Yahongqiao town, Qianying town, Xiaoji town were large, respectively reached 14.16,11.23, 8.80, 5.56, 12.97 and 6.05 in one square meter. There were 43 pests in one square meter which were themost in all survey data. This study provided a theoretical basis for the research on Athetislepigone's occurrence anddamages in eastern of Hebei province.
作者
张尚卿
韩晓清
吴志会
佘花娣
张冬梅
石洁
李耀发
ZHANG Shang-qing;HAN Xiao-qing;WU Zhi-hui;SHE Hua-di;ZHANG Dong-mei;SHI Jie;LI Yao-fa(Tangshan Academy of Agricultural Sciences, Tangshan 063001;Plant Protection Institute, Hebei Academy of Agricultural and Forestry Sciences, Baoding 071000, China)
出处
《玉米科学》
CAS
CSCD
北大核心
2018年第2期138-141,共4页
Journal of Maize Sciences
基金
国家玉米产业技术体系(CARS-02)
公益性行业(农业)科研专项(201303026)
关键词
夏玉米
二点委夜蛾
冀东地区
种植模式
Summer maize
Athetislepigone
Eastern of Hebei Province
Cropping pattern