宝鸡西部山区核桃吉丁虫调查  

Investigation of Agrilus lewisiellus Kere in the Western Mountainous Area of Baoji

作　　者：王周锁[1] 康克功[1] 孙丙寅[1] WANG Zhou-suo;KANG Ke-gong;SUN Bing-yin(Yangling Vocational Technical College ,Yangling,Shaanxi 712100)

机构地区：[1]杨凌职业技术学院

出　　处：《安徽农业科学》2019年第14期142-143,166,共3页Journal of Anhui Agricultural Sciences

基　　金：中央财政林业科技推广示范项目“凤翔核桃丰产栽培技术示范与推广”(SLTG[2017] 10号)

摘　　要：2016—2017年对宝鸡西部山区核桃吉丁虫发生情况进行调查,结果表明,核桃吉丁虫在宝鸡西部山区1年发生1代,以幼虫在2~3年生被害枝条木质部内越冬。该虫在管理粗放山坡、沟谷地均有不同程度的发生,有虫株率为29.20%~79.80%,5~15年生的核桃园虫口密度为4~26头/株。受害最重的是凤翔县田家湾乡核桃园。该虫每年5月中旬始发,至8月下旬幼虫开始在被害枝条木质部筑虫室越冬结束。针对核桃吉丁虫的发生危害程度提出了核桃吉丁虫的综合防治方案。From 2016 to 2017,a survey was conducted on the occurrence of Agrilus lewisiellus Kere in the western mountainous area of Baoji.The occurrence of Agrilus lewisiellus Kere occurred once a year in the western mountainous area of Baoji.The pest occurred to varying degrees on the extensively managed hillsides and ravines,with the insect strain rate of 29.20%-79.80%,and the insect population density of 4-26 per plant in the walnut orchard born in 5-15 years.The most affected area was in walnut garden from Tianjiawan Township of Fengxiang County.It started in mid-May and ended in late August when the larvaes began to build Chambers in the xylem of the affected branches for wintering.The comprehensive prevention plan of Agrilus lewisiellus Kere was proposed.

关 键 词：核桃吉丁虫 虫情调查 发生规律 综合防治 

分 类 号：S436.6[农业科学—农业昆虫与害虫防治]