烟草黑胫病是烟叶生产中最严重的病害之一。近年来,济源市烟区经常暴发流行,严重影响烟叶生产的发展。笔者通过对本市烟草生产条件的调查分析,探索了烟草黑胫病的发病特点及防治方法。1发病情况本市目前生产上应用的大部分烟叶品种,其抗病性均不强;烟叶多年连作,土壤带菌量大。 Tobacco black shank is one of the most serious diseases in tobacco production. In recent years, Jiyuan City, tobacco outbreaks often frequent epidemics, seriously affecting the development of tobacco production. By investigating and analyzing the tobacco production conditions in our city, the author explores the characteristics and prevention and cure methods of tobacco black shank. 1 The incidence of the current production of the city most of the varieties of tobacco used, its disease resistance are not strong; tobacco for many years even make a large amount of soil.