论文部分内容阅读
人参果又名长寿果、凤果、艳果,属茄科类多年生双子叶草本植物,原产美洲,国内主产区在甘肃省酒泉市清泉乡,我国大部分地区可种植。现将其主要病虫害防治介绍如下。一、绵疫病卵孢子或厚垣孢子借雨水反溅到近地面果实上,病菌萌发产生芽管,从果皮侵入发病,然后病部长出菌丝产生孢子囊及游动孢子,通过雨水及灌溉水进行传播再侵染。7~8月高温多雨季节或低洼、土质黏重地块发病重。先在近果顶或果肩部出现表面光滑的淡褐色
Ginseng fruit, also known as longevity fruit, fruit, fruit, is a perennial solanaceae dicotyledon herbaceous plants, native America, the main producing areas in Jiuquan City, Gansu Qingquan Township, most parts of China can be planted. Now the main pest control introduced below. First, the sponge blight oospores or chlamydospore by rain splashed to the ground near the fruit, the germs germination germ tube from the pericarp invasion, and then the Ministry of the Ministry of mycelium produce sporangia and zoospores, through the rain and irrigation water Dissemination and re-infection. July to August hot and rainy season or low-lying, heavy clay soil mass disease. First in the fruit or fruit near the shoulder smooth surface light brown