Cytogenetic and phylogenetic studies in
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A. E. Adegbite; M. S. Ayodele
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Article
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2004
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John Wiley and Sons
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English
โ 515 KB
## Abstract Chromosome studies were carried out on some Nigerian species of __Vernonia__. Chromosome counts of __n__ = 9 (2__n__ = 18) and __n__ = 10 (2__n__ = 20) were recorded for the species considered. Hybridization, polyploidy and aneuploid decrease have been implicated as major mechanisms of