广南县烟草青枯病的发病规律及综合防治技术

摘要

The characteristics of tobacco bacterial wilt symptoms and pathogenesis regularity were introduced.According to the disease characters and occurrence characteristics,comprehensive prevention technology of Guangnan County were put forward,including based on the rotation planting varieties and strengthen rotation,strengthening the combination of cultivation and management,application of potassium fertilizer,reinforcing comprehensive prevention technology of applying fertilizer,disease resistant varieties,anti fungicide screening plot and timely chemical control,and achieved good control effect.%介绍了烟草青枯病诊断的症状特征、发病规律，针对该病特性及发生特点，广南县提出了轮换种植品种和加强轮作为主，结合强化栽培管理、增施钾肥、补施中微肥、设置抗病品种、抗药剂筛选小区试验和适时药剂防治的综合防治措施，取得了良好防治效果。