Research Article
Cardinal Temperatures of Germination in Medicinal Pumpkin (Cucurbita pepo convar. pepo var. styriaca), Borago (Borago officinalis L.) and Black Cumin (Nigella sativa L.)
Department of Agronomy, Gorgan University of Agricultural Science, P.O. Box 386, Gorgan, Iran
A. Soltani
Department of Biology, College of Science, Gorgan University of Agricultural Science, P.O. Box 386, Gorgan, Iran
H.R . Sadeghipour
Department of Biology, College of Science, Gorgan University of Agricultural Science, P.O. Box 386, Gorgan, Iran