Hybrid fertility and aphid resistance in the cross Nicotiana tabacum x N. gossei


Nicotiana gossei, a disease- and insect-resistance species, was hybridized with the cigar-wrapper variety of N. tabacum, ‘Florida 17’. The sterile interspecific hybrid was converted to a fertile amphiploid by treatment with colchicine. Of two methods of colchicine treatment one was more effective than the other. Certain differences in morphological details… (More)
DOI: 10.1007/BF00147169


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