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对１５８ 份烟草种质资源青枯病抗性进行了４ 年的自然病地鉴定， 筛选出高抗材料４ 份， 仅占２５％ 。它们是 Ｒ Ｇ１７、 Ｏ Ｘ２０２８、 Ｒ Ｇ８ 和 Ｓ Ｐ Ｇ１１７。还有中抗４５ 份， 占２８５％ 。
158 natural tobacco cultivars with bacterial wilt resistance were screened for natural disease for 4 years. Four highly resistant materials were screened, accounting for only 2.5%. They are R G17, O X2028, R G8 and S P G117. There are 45 anti-Chinese, accounting for 28 5%.