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水稻纹枯病又称烂脚瘟、云纹病、俗名花足杆,是由立枯丝核菌感染而引起的,多在高温、高湿、植株生长嫩绿、茂密的条件下发生,已成为当前水稻生产上的主要病害之一。水稻纹枯病在苗期至穗期均可发病。症状显示:若叶鞘染病,表现为在近水面处产生暗绿色水浸状边缘模糊小斑,后逐渐扩大呈椭圆
Rice sheath blight, also known as rotten foot plague, Yunwen disease, the common name for foot rod, caused by Rhizoctonia solani infection, mostly in high temperature, high humidity, plant growth and verdant, dense conditions have become One of the main diseases in the current rice production. Rice sheath blight in the seedling to the ear can be disease. Symptoms showed that if the leaf sheaths became diseased, it appeared as a fuzzy patch of dark green water-soaked edges near the surface of the water and then gradually expanded into an oval