The genus Gossypium is one of the largest having nearly 50 species of which two are tetraploid cultivars and two are diploid cultivars with 2n =52 and 26 chromosome respectively and the rest are wild to semi-wild ... The genus Gossypium is one of the largest having nearly 50 species of which two are tetraploid cultivars and two are diploid cultivars with 2n =52 and 26 chromosome respectively and the rest are wild to semi-wild at both these ploidy levels.The tetraploids (AD) are supposed to contain the Asiatic cotton (A) and American diploid (D)species genomes.
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文摘 The genus Gossypium is one of the largest having nearly 50 species of which two are tetraploid cultivars and two are diploid cultivars with 2n =52 and 26 chromosome respectively and the rest are wild to semi-wild at both these ploidy levels.The tetraploids (AD) are supposed to contain the Asiatic cotton (A) and American diploid (D)species genomes.
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