论文部分内容阅读
答安徽省定远县读者王光荣枣果炭疽病和褐斑病是我国红枣主产区枣树的重要病害,且呈现严重的流行趋势,流行年份病果率可达50%以上,甚至绝收。现将其病害的发生症状特点、发病规律和防治技术介绍如下,以便枣农朋友进行病害鉴别和防治。1枣果炭疽病1.1症状特点炭疽病主要危害枣果
A reader Dingguang County, Anhui Province, Wang Guangrong jujube fruit anthracnose and brown spot disease is the main jujube tree jujube in China’s major diseases, and presents a serious epidemic trend, prevalence of disease rate of up to 50% or more, or even absolute. Now the characteristics of the occurrence of the disease symptoms, pathogenesis and prevention techniques introduced below, so that jujube friends friend disease identification and prevention. 1 jujube anthracnose 1.1 Symptoms and characteristics anthrax major jujube