亚洲玉米螟越冬虫量与第1代发生程度相关性的探讨  

Studies on correlation between the quantity of hibernant larva and the harm level of lst generation of Asian corn borer

作　　者：李文德[1] 陈素馨[1] 秦建国 

机构地区：[1]张家口农业高等专科学校农学系,河北宣化075131 [2]宣化县崞村镇技术站,河北宣化075126

出　　处：《张家口农专学报》2002年第2期16-17,22,共3页

摘　　要：对河北省保定、衡水、宁晋、廊坊和张家口等地亚洲玉米螟越冬幼虫的虫口密度与第1代发生程度的关系,用相关系数方法分析结果,相关均不显著。Analyzing with coefficient of correlation, no obvious correlation was found between the hibernant larva density and the harm level of 1st generation of Asian corn borer (ACB) in Baoding, Hengshui, Ningjin, Langfang, and Zhangjikou city of Hebei province.

关 键 词：玉米玉米螟 越冬虫量 发生程度 相关性 幼虫 相关系数 

分 类 号：S435.132[农业科学—农业昆虫与害虫防治]