关键词: 苦瓜, 大顶类, 一代杂种, 品种

Abstract:

‘Dingfeng 1’is a new broad-shoulder bitter gourd F₁ hybrid developed by using strong female line D171008 as female parent and inbred line Y172017 as male parent. It has strong vigorous growth potential with dark green leaves. Its fruits are characterized by short conical shape，dark green color and strong luster with about 11.7 cm in length，8.9 cm in transverse diameter, 1.17 cm in flesh thickness and 307 g in the individual fruit weight. It has high commodity rate（93%）and good yield，and the yield is above 21 550 kg · hm^-2. It takes about 72 days from the sowing to the first harvesting in spring，and 59 days in autumn. This cultivar shows strong tolerance to high temperature，waterlogging and drought，moderate resistance to cold. It’s suitable for spring and autumn cultivation in South China.

Key words: bitter gourd, broad-shoulder, hybrid, cultivar