Abstract: Huabiyu’is a new bitter gourd F1 hybrid developed by crossing predominant female line
Z-1-4 and inbred line 88-3-7. It has much branches and short internodes. It is early maturity. The first
female flower is set at 6th–8th nodes of the main vine and that is set at the lower nodes of the lateral vines.
The rate of female flowers is high. Usually 2 or 3 female flowers exist with an interval of about 3 sections
on the lateral vines. The fruit is cylindrical，green in colour，about 40 cm in length，5.6 cm in diameter，
and 0.9 cm in flesh thickness. Average single fruit weight is about 340 g. It is tolerant to chilling climate
and resistant to downy mildew and powdery mildew. It yields over 48 t · hm^-2，and is suitable to be
cultivated in Hubei，Hunan，Guangdong and Shandong Provinces.

Key words: bitter gourd, predominant female line, cultivar