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黄瓜靶斑病是由黄瓜靶斑病菌-半知菌的棒孢菌引起的病害,温暖、高湿有利于发病,近年来成为豫东地区黄瓜主要病害之一。为有效防治该病的发生和蔓延,减轻菜农损失,本文将其危害病状及防治措施简要介绍如下,以供广大菜农参考。一、病虫识别1.病原菌识别病原属半知菌瓜棒孢霉真菌。病菌子实体多生于叶面,分生孢子梗多单生、细长、不分枝,有1~7个隔膜,呈浅褐或黄褐色。分生孢子顶生,倒棍棒形至圆筒形,基部膨大,顶端顿圆,直
Cucumber target spot disease is cucumber target spot disease - half-know bacteria caused by Corynebacterium disease, warm, high humidity is conducive to the incidence of cucumber in recent years become one of the major diseases. In order to effectively prevent the occurrence and spread of the disease and reduce the losses of vegetable farmers, this paper briefly introduces its harmful diseases and prevention measures as follows for the reference of the majority of vegetable farmers. First, the identification of pests 1. Pathogenic bacteria to identify the pathogen is Corynebacterium parvum fungi. Pathogens fruiting bodies more than born in the foliage, conidiophores more solitary, slender, unbranched, 1 to 7 septa, pale brown or brown. Conidia top students, sticks stick to cylindrical, base swollen, top round, straight