在对烟草野火病、赤星病的研究过程中,我们发现烤烟叶片经烘烤后,干烟叶上的野火病、赤星病病斑面积比未烘烤时鲜叶上的病斑面积明显增大了。病斑面积发生此种变化的事实至今尚未见报道。如果这种变化及变化的数值被证实,将加深我们对野火病和赤星病的认识,在指导病害的防治工作中也有一定实用价值。1989年—1990年我们对这两个病害于烟叶烘烤前、后病斑面积变化进行了详细研究,现把结果报道如下。 During the research on tobacco wildfire and brown spot disease, we found that the area of ​​brown spot and brown spot on dried tobacco leaves increased significantly when compared with that on fresh leaves after baking. The fact that such changes in lesion size have not yet been reported. If these changes and changes in the number of confirmed, will deepen our understanding of wildfire and brown spot disease, disease prevention and control work also has some practical value. From 1989 to 1990, we conducted a detailed study on the changes of lesion area between the two diseases before and after the tobacco leaves were baked. The results are reported as follows.