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晒菸是我县的传统特产,栽培历史悠久,常年种植面积1.8万余亩,是经作区的主要经济作物。但由于菸草花叶病的危害,产量和经济效益受到很大影响。引起花叶病害是菸草花叶病毒侵染所致。受害后叶绿素遭破坏,出现花叶、失绿皱缩、矮化症状,成为一种致命的病害。我们在调查研究的基础上基本弄清了产生病害的原因,并摸索出控制晒菸病害的有效措施。一、病害对晒烟产量的影响 1987年我县晒菸花叶病是重发生年,流行面广。据大石桥、太和
Sun-cured tobacco is a traditional specialty of our county, has a long history of cultivation and has a perennial planting area of more than 18,000 mu and is a major economic crop in the area undergoing economic operation. However, due to the hazards of tobacco mosaic disease, the yield and economic benefits are greatly affected. Mosaic disease caused by infection caused by tobacco mosaic virus. Victims of chlorophyll damaged, there mosaic, green shrinkage, dwarf symptoms, a deadly disease. Based on the investigation and research, we basically found out the cause of the disease and found out the effective measures to control sun-cured tobacco disease. First, the impact of disease on sun-cured tobacco In 1987 my county sun-cured tobacco mosaic disease is re-occurring year, a wide range of popular. According to Dashiqiao, Taihe