（1Vegetable Institute of Zhejiang Academy of Agricultural Sciences，Hangzhou 310021，Zhejiang，China； 2Hangzhou City Seed General Station of Zhejing Province，Hangzhou 310026，Zhejiang，China）
Abstract：'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.
