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Pakistan Journal of Biological Sciences
Year: 2004  |  Volume: 7  |  Issue: 4  |  Page No.: 525 - 528

Floral Biology of Snake Gourd

M. Hasanuzzaman, M.A.K. Mian, H.F. El-Taj, S. Huda and M.R. Amin    

Abstract: Floral biology and yield performance of different Snake gourd (Tricosanthes cucumerina L. syn. T. anguina L.) genotypes were investigated to develop high quality and yielding variety/ies. There were differences between the snake gourd genotypes in respect of floral biology and yield potentiality. Starting of the anthesis occurred within 7 to 8 pm in male flowers and required 19 to 33 minutes for full blooming. The anthesis of the female flower started from 7 to 8 pm and completed their full blooming within 1 to 2 h. Time of anther dehiscence started from 4 pm to 5 pm i.e. about 3 h before anthesis and completed at 7 to 8 pm. The fresh pollen viability percentage was around 99.00 and no pollen grain was germinated before 5 h at field condition. The stigma became receptive about 15 h before anthesis and it remained receptive upto 27 h after anthesis. SG 04 was more cross compatible than the self compatible

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