烟草黑胫病、赤星病和花叶病是较普遍的主要病害,是当前影响烤烟产、质量提高的重要因素之一.近年来在毛主席革命路线指引下和各地各级党组织的领导下,烟区广大贫下中农在“农业学大寨”的群众运动中,坚持为革命防治烟草病虫害,取得了很大成绩,积累了丰富的经验,现将这三种病害的发生和防治介绍如下: Tobacco black shank, brown spot disease and mosaic disease are the most common diseases, and are one of the most important factors that affect the yield and quality of flue-cured tobacco.Under the guidance of Chairman Mao’s revolutionary line and under the leadership of party organizations at all levels in recent years, The majority of poor and middle-income middle peasants in the tobacco area have made great achievements and accumulated rich experience in the mass movement of “learning from agriculture in Dazhai.” They have now introduced the following three diseases: