烟草赤星病(Alteinaia alemata)是我省烟草的主要病害,由于近年来,随着烤烟生产技术的改进,特别是施氮量增加及当前推广的烤烟品种抗病性较差,导致赤星病的发生及危害日趋严重。据1994年绥化地区调查发病面积达15万亩以上,占种植植面70％,发病 Tobacco brown spot disease (Alteinaia alemata) is the main tobacco disease in our province, due to the improvement of tobacco production technology in recent years, especially the increase of nitrogen application and the current promotion of flue-cured tobacco varieties of poor resistance, resulting in the occurrence of brown spot disease And the harm is getting worse. According to the investigation of Suihua area in 1994, the disease area reached more than 150,000 mu, accounting for 70% of the planted planting area, the incidence