瓠瓜新品种浙蒲8号的选育

浙蒲8号是以自交系G7-4-3-1-2-1为母本、自交系J63-1-6-3-2-1为父本配制而成的耐热瓠瓜一代杂种。植株生长势较强,早中熟,以侧蔓结瓜为主,坐瓜性较好。商品瓜中棒形,上下粗细较均匀,平均瓜长约30cm,横径约5cm,瓜皮绿色,具光泽,单瓜质量0.4~0.5kg。耐高温性较强,高温期商品瓜率较对照杭州长瓜高6个百分点;品质佳,游离氨基酸总量1304.193μg·g-1,其中谷氨酸含量85.663μg·g-1;田间对枯萎病和白粉病的抗性强于对照杭州长瓜。适宜作露地栽培和夏秋季设施避雨栽培,夏秋季栽培每667m2产量2600kg以上。

A New Bottle Gourd F1 Hybrid— ‘Zhepu No.8’

'Zhepu No.8’ is a new heat tolerant bottle gourd F1 hybrid developed by crossing inbred line G7-4-3-1-2-1 as female parent and inbred line J63-1-6-3-2-1 as male parent. The plant grows vigorously. It is of early and medium maturity. Its fruit is mainly setting at the lateral vines，and its fruit setting ability is quite good. The fruit is of stick shape with middle size and uniform thickness. The fruit has green and shiny peel. Its commercial fruit is averagely 32 cm in length and 5 cm in diameter. The single fruit weight is 0.4-0.5 kg. This variety has stronger tolerance to heat stress and its commercial fruit ratio is 6 percentage point higher than that of ‘Hangzhouchanggua’during altithermal period. The fruit has good quality and its total free amino acid content is1 304.193 μg·g^-1，of which glutamate content is 85.663 μg·g^-1. In fields its resistance to Fusarium wilt and powdery mildew is stronger than that of the contrast 'Hangzhouchanggua’. This variety is suitable for open field cultivation and protected cultivation in summer and autumn. Its yield is over 39 t·hm^-2.