Abstract:

Tobacco black root rot once resulting in great loss is a worldwide fungal disease. This paper gave a concise introduction on the outbreak of Tobacco black root rot in our nation recent years and the pathogenicbacteria, biological characteristics, infection and symptom of this disease, and then summarized the effects of soil habitat factors, included soil physi-chemical properties, soil nutrient status, root exudates and soil microorganism, on tobacco black root rot. At last, we raised some procedures, such as improving field management and cultivation strategies, reasonable fertilization and biocontrol, to ameliorate soil habitat and control the disease.