关键词: 不结球白菜, 品质, 早中熟, 杂种一代, 品种

Abstract: ‘Qiantangqing’is a new non-heading Chinese cabbage hybrid developed by crossing the cytoplasmic male sterile（CMS）line Ogu28-13-2A as female parent with inbred line Bnjq11-6-2 as male parent. Meanwhile，the Ogu28-13-2A CMS line which obtained from the backcross offsprings with‘Xinxuan 992-24’as recurrent parent，and the inbred line of Bnjq11-6-2 was a high-generation self-crossed progeny of the landrace of‘Nanjingqing’，respectively. The new cultivar is characterized by great commercial property showing growing erect，medium height；the plant is compact and girdle；the leaves are ovate，green and a glossy surface；petiole is green on the outside and light green on the inside. It also exhibits a favorable taste and a high vitamin C content. Furthermore，it demonstrates strong adaptability，bolting resistance. In production test，the weight of each plant reached 0.48 kg，and the average yield of‘Qiantangqing’reached 29 970 kg · hm^-2 after a growth period of 65 to 70 days post-planting. It is well-suited for open-field cultivation during the autumn and winter seasons in the middle and lower reaches of the Yangtze River region.

Key words: non-heading Chinese cabbage, high quality, early-mid maturity, hybrid, cultivar