烤烟幼苗空茎病是我县近年新发现的病害,又名“空胴病”,群众叫烂根、倒苗、黑心。是一种暴发性病害,发生于苗床后期,死亡于大田初期,一般在移栽后10—20天后,即成片或整行死亡,造成严重的缺苗现象,有的甚至全部死亡,被迫改种其他作物。从近年来的情况来看,有日益发展的趋势,应引起烟区重视。 Flue-cured tobacco seedlings empty stem disease is a newly discovered disease in our county in recent years, also known as “empty disease”, the masses called rotten roots, inverted seedlings, black heart. Is an outbreak of disease that occurs late in the bed and dies in the early stages of the field. It usually dies 10 to 20 days after transplanting, either in patches or on the entire line, resulting in severe lack of seedlings, and some or all of them are killed Replanting other crops. From the situation in recent years, there are growing trends that should attract attention from the tobacco industry.