Greenhouse and field experiments were conducted to determine the influence of transplant age on growth and yield of ‘Dixie’ and ‘Senator’ summer squash (Cucurbita pepo L.). Dry weight and leaf area measurements indicated that 28to 35-day-old greenhouse-grown transplants grew more slowly after transplanting than plants that were 10,14, or 21 days old. Older transplants flowered earlier; however,...

landraces are a valuable source of genetic diversity for varietal improvement. despite, iran is the fifth squash and pumpkin producer, but no available information exists about the diversity of summer squash landraces. in order to evaluation of floral and fruit production characteristics among four iranian summer squash and a check cultivar of f1 hybrid ‘asma’, an experiment was conducted in a ...

watermelon mosaic virus is the most prevalent potyvirus infecting cucurbits in iran. in order to determine the distribution and frequency of the virus, 326 watermelon, melon, cucumber, winter and summer squash samples were collected from 22 villages around urmia during summer 2010 and tested by das-elisa with a polyclonal antibody. ninety four samples were detected as infected by elisa. to dete...