【摘要】 以法国纤手自交纯合选育的代号01-5A白皮自交系为母本,以国外材料(编号B)多代自交分离选育的代号01-B-4稳定绿皮自交系为父本,育成了早熟丰产半蔓型杂交种长青王4号。该品种植株生长势强,早熟性好,植株后期不衰;瓜长筒形,纵径22～24cm,横径7～8cm,瓜皮浅绿色,光泽度好;田间表现对病毒病、霜霉病和白粉病抗性强。露地栽培667m2产量4500～5000kg,比早青一代增产18.9%。2007年3月通过山西省农作物品种审定委员会认定。更多还原

【Abstract】 Changqingwang No. 4 is a new early-maturing and high-yield semi-vine summer squash F1 hybrid bred by crossing a white skin inbred line 01-5A as female parent and green skin inbred line 01-B-4 as male parent. It is an early variety with strong plant at late development stage. The fruit is long cylindrical with length of 22-24 cm and diameter of 7-8 cm. The fruit skin is light green and very glossy. The plant is resistant to viruses, downy mildew and powdery mildew in open field. It produces 4 500-5 000 kg per 667 m2 in open field and is 18.9% higher than that of Zaoqing F1 the commercial check variety.更多还原