黑皮冬瓜新品种桂蔬6号的选育

A New Black Peel Wax Gourd F_1 Hybrid —— ‘Guishu No.6'

桂蔬6号是以自交系GD06-08-5为母本,以自交系GD09-14-03为父本配制而成的黑皮冬瓜一代杂种。春播生育期约110 d(天),夏播约90 d(天)。果实发育期30～40 d(天)。成熟果实深绿至墨绿色,瓜皮光滑无棱沟,坚硬,耐贮运;瓜呈长圆筒形,长80～90 cm,横径18～20 cm,肉厚5.0～6.0 cm,单瓜质量15～20 kg,整齐一致,商品率高,田间对枯萎病和疫病的抗性优于广西现有主栽品种,不同栽培条件下每667 m^2产量6 000～10 000 kg。适合全国各地冬瓜产区栽培。

‘Guishu No.6’is a new black peel wax gourd F1 hybrid developed by crossing inbred line‘GD06-08-5’as female parent and‘GD09-14-03’as male parent.It takes about 110 days from sowing to harvest in spring,and about 90 days in summer.Its fruit development period is 30-40 days.The matured fruit is of long cylindrical shape with deep green and smooth peel.The fruit is 80-90 cm in length,18-20 cm in width,and 5.0-6.0 cm in flesh thickness.The fruit is stiff and tolerant to storage and transportation.The single fruit weight is 15-20 kg.The fruit has uniformity and good commodity rate.In fields,its resistances to Fusarium wilt and Phytophthora blight are stronger than that of the existing main varieties of Guangxi.It can yield 90-150 t·hm^-2 under different cultivation conditions.It is suitable to be cultivated in all wax gourd producing areas of China.