2.The Origin of Nicotiana tabacum

所属栏目：英汉烟草科技

The origin of N. tabacum has been a challenging problem for manyplant scientists. Although it is now the most commonly grown commercialtobacco species,N. tabacum does not occur naturally in the wild state.One hypothesis is that N. tabacum arose from an in ......（本文共 834 字 ）     [阅读本文]>>


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