在过去两年里,甜菜种植区出现了很多病原菌侵染现象,严重影响了甜菜的产量,本文将着重叙述甜菜根腐病的一些主要类型,这将有助于甜菜生产的发展。镰刀菌根腐病镰刀菌给甜菜种植者带来了巨大的损失。这种病原菌可使甜菜死亡,它主要发生在比较干旱的7月。它的严重性很大程度上取决于甜菜生长的早期和水分缺乏程度。通常明显的症状是,在根的颈部和肩部出现大范围的黑色或黑棕色,但切开之后看,尾部比较少.这种症状是由真菌—黄色镰刀菌(Fusariumculmorum)侵染所引起的。在实验室培养,这种 In the past two years there have been many infections with pathogenic bacteria in beet plantations that have a serious impact on beet yield. This article will highlight some of the major types of beet root rot, which will contribute to the development of beet production. Fusarium mycorrhizal Fusarium brought huge losses to beet growers. This pathogen can cause sugar beet death, which occurs mainly in the more dry July. Its severity depends very much on the early stages of beet growth and the degree of water deficiency. Often the obvious symptom is the appearance of a wide range of black or dark brown on the neck and shoulders of the root but less tails after incision, a symptom caused by the infection of the fungus Fusarium culmorum of. In laboratory culture, this