关键词: 火龙果, 果肉, 自花结实, 品种

Abstract: ‘Shuangse 1’is a new pitaya cultivar selected from‘Hongshuijing’through seedling selection. The fruit is nearly spherical and peel is dark red. Average fruit weight is 350.7 g and the biggest fruit weight is 740.5 g. The flesh is red without and white within，smooth and special flavor，with 78.5% edible rate，13.5% TSS and 0.23% titratable acid content. The cultivar has strong self-pollination ability and long shelf life. There are 10–12 batches of fruit per year.

Key words: pitaya, flesh, self-pollination ability, cultivar