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气候斑点病是我国烟草较普遍的非侵染性叶斑病害。总结了４年６类１０８个烟草品种田间的病情调查，表明：①病情在年际间、烟草类型及品种间差异明显；②初选出圆叶密目、密叶尖和云烟２号、翠碧一号、永定一号等抗性资源与品种；③中外抗感亲本杂交后代的抗性界于双亲
Climate spot disease is more common non-infective leaf spot disease of tobacco in our country. The results of field investigation of 108 tobacco varieties in 6 categories over the past 4 years showed that: (1) The disease was significantly different between tobacco types and varieties during the year; (2) Bi No. 1, Yongding No. 1 and other resistant resources and varieties; ③ Chinese and foreign resistant parents of offspring resistant to offspring in parents