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7.二青皮莴苣 四川成都地方品种,在上海栽培已十余年。以晚秋和春季栽培为主,亦可作早秋栽培。植株高35～40cm,开展度45～50cm,茎长35cm左右,茎粗6cm左右,单株重200～300g。叶直立,呈卵形,叶色淡绿,茎皮为淡绿色。茎节密,茎较粗,肉为淡绿色。早中熟,喜温,夏、秋栽培不易抽苔,肉质脆嫩,叶清香,品质好。作早秋栽培的全生育期约为70～80天,一般产量为1500kg/667m~2。作春季栽培的全生育期约为190天,产量2000kg/667m~2左右。
7. two peel lettuce Chengdu, Sichuan, local varieties, cultivation in Shanghai has more than ten years. To late autumn and spring-based cultivation can also be used for early autumn cultivation. Plant height 35 ~ 40cm, the degree of 45 ~ 50cm, about 35cm in stem length, about 6cm in stem diameter, weight per plant 200 ~ 300g. Leaves erect, oval, leaf color light green, stems and pale green. Stems dense, thick stems, meat is light green. Early maturing, like the temperature, summer, autumn cultivation is not easy to moss, tender meat, leaves fragrance, good quality. For the early autumn cultivation of the whole growth period of about 70 to 80 days, the general output of 1500kg / 667m ~ 2. The whole growth period for spring cultivation is about 190 days, yield 2000kg / 667m ~ 2 or so.