Morphological information are prerequisite for the bio-systematic studies and breeding. Nature of flower, fertility and seasons are the most important factors for a breeding program. In mulberry, floral characters and seed setting of colchitetraploids and their putative diploid genotypes were studied in March and September months. Male, female and monoecious colchitetraploids exhibited larger inflorescences as compare to their diploid genotypes. Good seed set percentage was found in diploid genotypes as compare to colchitetraploids. Comparatively smaller inflorescences were found in March month than in September month. But, seed set percentage was good in March month compare to September month. For better results in the triploidy breeding, it is suggested that March is the better season in these genotypes.
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