Satish ji
Unfortunately the name pumpkin could apply to any of the following species: Cucurbita maxima, C. pepo, C. moschata and C. mixta. There are so many cultivars to confuse us. Let us see if we gain any valuable information from uploads on coming Friday and Saturday.
The photographs of ripe fruits should help in actual identification.
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Dr. Gurcharan Singh
Retired Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.
Phone: 011-25518297 Mob: 9810359089
http://people.du.ac.in/~singhg45/