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为减轻病害对烟田的危害,进行了烟秆不同处理方式的试验。3年平均数据表明,烟秆离田上岸处理比砍断还田烟田的青枯病、黑胫病、病毒病的始发期分别推迟8天、20天、22天;盛发期青枯病、黑胫病、病毒病的发病率分别减少16.86、12.43、13.57个百分点,病情指数分别低7.33、6.27、4.91;定案调查期青枯病、黑胫病、病毒病分别减少21.93、16.94、18.20个百分点,病情指数分别低15.66、9.00、9.64,对烟草病害发生发展起着很好的控制作用。
In order to reduce the harm of the disease to the tobacco fields, different treatments of tobacco stalks were tested. The 3-year average data showed that the tobacco stalks were delayed 8 days, 20 days and 22 days later than the landings of ash crop, respectively. The incidences of disease, black shank and virus diseases decreased by 16.86, 12.43 and 13.57 percentage points respectively, and the disease indices were 7.33, 6.27 and 4.91 lower respectively. The deadline for investigation of bacterial wilt, blackleg, and viral disease decreased by 21.93 and 16.94, 18.20 percentage points, the disease index were 15.66,9.00,9.64 low, the development of tobacco disease play a very good control.