Floral behaviour in Saccharum officinarum hybrids and S. spontaneum clones

Sharma, M.L.; Singh, P.; Lal, M.

Indian Journal of Agricultural Sciences 66(8): 455-458


ISSN/ISBN: 0019-5022
Accession: 002843636

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A comparative study of 30 sugarcane (Saccharum officinarum) hybrids and 28 S. spontaneum clones revealed that 18 hybrids had the lowest pollen viability (0-20%) and 15 clones the highest (80-100%). The viability of dehisced pollen under natural (sunlight) conditions was higher than that under artificial light conditions. Except pollen viability, all floral characters, viz. pollen size, length and width of anthers, length of style, and size of stigma, were superior in S. officinarum hybrids. Pollen viability was positively correlated with pollen size and the length and width of anthers in S. officinarum hybrids. However, there was a negative correlation between anther and pistil characters in both hybrids and clones.