The Effects of Planting Methods and Head Pruning on Seed Yield and Yield Components of Medicinal Pumpkin (Cucurbita pepo subsp. Pepo convar. Pepo var. styriaca) at Low Temperature Areas

R. Nikkhah Bahrami, M. Khodadadi, S. Piry Pirivatlo and D. Hassanpanah

Pakistan Journal of Biological Sciences 12 ( 6 ): 538 - 541 , 2009