河南省局部地区花生白绢病暴发原因分析及其防治对策  

The Outbreak Causes and Control Measures of Peanut Sclerotium Blight in Part Regions of Henan Province

作　　者：许欣然[1] 张新友[1] 黄冰艳[1] 汤丰收[1] 董文召[1] 韩锁义[1] 张忠信[1] 臧秀旺[1] 

机构地区：[1]河南省农业科学院经济作物研究所河南省油料作物遗传改良重点实验室,河南郑州450002

出　　处：《河南农业科学》2011年第10期99-101,共3页Journal of Henan Agricultural Sciences

基　　金：河南省科技创新人才计划(104200510003)

摘　　要：花生白绢病是一种土传病害,一旦发生很难防治。近几年,河南中牟、开封等地的花生主产区白绢病逐年加重,重病田发病率在80%以上,某些地块甚至绝收,造成严重危害。鉴此,研究总结了花生白绢病危害的症状特点、病原菌生物学特性、病害发生规律,分析了该病暴发的原因并提出了相应的防治对策。Peanut sclerotium blight is a soil-borne disease and hard to control at occurrence.In last several years,the disease was spreading seriously year by year in the main peanut production regions of Henan province,for example,Zhongmu and Kaifeng counties.The disease incidence rate reached over 80% in the heavily infected fields and in some fields the disease destroyed the whole products.In this paper,the disease symptoms,the biological characteristics of the pathogen and the disease occurrence regularity of peanut sclerotium blight were studied.The causes of thedisease outbreak were analyzed and corresponding control measures were proposed.

关 键 词：花生白绢病 症状 生物学特性 发病规律 发生原因 防治措施 

分 类 号：S435.652[农业科学—农业昆虫与害虫防治]