LIU Ligong1，LIU Shili2，WANG Jing3，MOU Hongying4，ZHANG Feng1*
1Key Laboratory of Biology and Genetic Improvement of Horticultural Crops（North China），Beijing Vegetable Research Centre，Beijing Academy of Agricultural and Forestry Sciences，Beijing Key Laboratory of Vegetable Germplasm Improvement，Beijing 100097，China；2Beijing Miyun Municipal Bureau of Agricultural and Rural Affairs，Beijing 101500，China；3Beijing Vocational College of Agriculture，Beijing 102442，China；4Qingdao Agricultural University，Qingdao 266109，Shandong，China
Abstract：‘Lvjingling No.4’is a new early maturity fruit cucumber F1 hybrid developed by crossing inbred lines‘09C45’as female parent and‘08C10’as male parent．It is gynoecious type with one female flower per node．The growth of the plant was moderate，has strong ability of continuous sitting melon and parthenocarpy．The fruit is of straight tube shape with up and down uniform．Its fruit is 16-18 cm in length，and about 2.7 cm diameter，with glossy green peel．The fruit has good quality and no papilloma on its skin．It shows good adaptability to low temperature and weak light．It is resistant to Fusarium wilt，tolerant to downy mildew and powdery mildew．Its yield can about 93 t · hm-2．It is suitable for protected field cultivation all over China，especially suitable for autumn and winter，winter and spring crop cultivation in northern areas．
