(1.Postdoctoral Workstation,Northeast Forestry University,Harbin,Heilongjiang 150040；2.Biotechnology Research Institute，Heilongjiang Academy of Agricultural Sciences,Harbin,Heilongjiang 150086;3.Cultivation Research Institute,Heilongjiang Academy of Agricultural Sciences,Harbin,Heilongjiang 150086)
‘Jinlonggua 1’ is a new seed-used Cucurbita pepo F1 hybrid variety with short-vine,high yield and disease-resistant.Female parent ‘GM’ was chosen in excellent short-vine inbred lines from Heilongjiang,and male parent ‘GF’ was breed by high yield inbred lines from Russia.Its accumulated temperature is 2 300 ℃ and need 105 growing days,it is a medium mature variety.Short vine,strong growth,dark green leaves and oval-shape fruit are presented in ‘Jinlonggua 1’,3.9-5.0 kg in weight,18-25 cm in transverse diameter and 30-40 cm in longitudinal diameter are measured in single fruit.Meanwhile 1.9 cm in length and 1.3 cm in width are detected in seeds of fruit with 1 250 kg?hm-2 in average yield of seeds.Resistance to powdery mildew and downy mildew are also found in ‘Jinlonggua 1’.It is demonstrated that the new variety ‘Jinlonggua 1’ is suitable for Heilongjiang Province.