论文部分内容阅读
１９９４至１９９８年，在云南烟草丛枝症病害的重病区进行药剂治疗和治虫防病等研究，并进行大面积综合防治技术示范（３１１５ｈｍ２）和推广工作（６４０３２ｈｍ２），结果表明：抗生素类药剂和抗病毒制剂无治疗效果，单纯治虫防病的效果也不理想，采用以网罩隔离育苗培育无毒苗、药剂控制传媒昆虫、淘汰和更换病苗、保健栽培为技术核心的综合防治措施，能够有效地控制病害的发生和流行，防治效果在９５％以上．
From 1994 to 1998, research on drug treatment, pest control and disease prevention were conducted in the seriously ward of tobacco bush disease in Yunnan Province. Large-scale comprehensive prevention and control technology demonstration (3115hm2) and promotion (64032hm2) were conducted. The results showed that antibiotic agents and Antiviral agents have no therapeutic effect, and the effect of simply preventing pest and disease prevention is not satisfactory. The method uses a net cover to isolate seedlings to cultivate non-toxic vaccine, control pesticide insects, eliminate and replace sick plants and health care as a comprehensive prevention and control measure Effective control of disease occurrence and prevalence, prevention and control of more than 95%.