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Brassica chinensis

Authority L. Family Magnoliopsida:Dilleniidae:Capparales:Cruciferae Synonyms Brassica campestris var nipposinica L., Brassica campestris var pekinensis L. [Rupr], Brassica campestris var. chinensis L. [Makino], Brassica cernua Matsum, Brassica chinensis L., Brassica chinensis var. pekinensis L.(Rup.)Sun, Brassica pekinensis Rupr. Common names Chinese cabbage, Chinese salad, Chou chinois (Fr), kapeti ni jaina (Fiji), kapisi, kapisi siaina (Tonga, Tuvalu), pak choi, pakchoi, Pe-tsai, petsai, wong bok, wongbok Editor Ecocrop code 547

Notes
BRIEF DESCRIPTION A succulent herb forming rosettes, of open or tight vegetative heads followed by flowering stalks reaching 20-50 cm in height. Leaves are succulent and light green. USES The leaves are eaten fresh, boiled, fried, or fermented. Some varieties produce seeds that can be pressed for oil. GROWING PERIOD Perennial, biennial, often grown as an annual. May be harvested after 40-60 or 50-90 days, depending on variety. (Eswaran) 25-45 days for leaves and 100-110 days for seeds. COMMON NAMES Chinese cabbage, Spoon cabbage, White cabbage, Shantung cabbage, Chefoo cabbage, Flowering cabbage, Celery cabbage, Peking cabbage, Paak-ts`oi, Pak-choi, Chou de Chine, Chou de Shangton, Sawi putih, Kobis cina, Kapis, Pechay Baguio, Wong bok, Pe-chhaay, Spei khiew, Kaad chiin, Phakkat-khaopli, Chinakohl, Chinese kool, Col China, Repollo, Repollo chino, Pe-tsai, Pechay, Mkaheji, Phakkat-khaoyai. FURTHER INF Scientific synonyms: B. rapa (Pekinensis Group) B. napus, B. petsai, B. campestris. Chinese cabbage orriginated in eastern Asia. It can in the tropics be grown at elevations up to 1500 m, but at elevations below 500 m heading is less likely to occur. A difference of 5-6°C in day and night temperatures appears to increase the vigour of the plant. Temperatures below 16°C promote flowering, particularly in daylengths of 13 hours or more. Drought stress in the heading stage prevents head formation. It is easely damaged by high winds. Leaf yields between 5 and 70 t/ha or 0.5-7 kg/m˝ may be obtained depending on length of growing period, plant desity, environmental conditions and cultivars. Photosynthesis pathway C3.
Sources
SOURCES (B. chinensis L.) Wareing P 1963 pp 213 Eswaran H 1986 pp 51 89 Purseglove J 1974 pp 91 [USE] Tindall H 1983 pp 110-113 [TEXT, PH, DRA, LIMIT, LIG, TEMP] Rice R 1990 pp 209-211 [TEXT, DRA, LIG, TEMP, PHO] Roecklein J 1987 pp 497 [USE, TEMP, RAIN, FER, PH] Hackett C 1982 pp 14 240 254 [FER, PHO, DEP, PH, TEXT, TEMP] Voortman R (pers. comm.) Yu-Chi Roan 1995 (pers. comm.) Duke J 1975 pp 9 [PH, RAIN, TEMP] Martin F 1984 pp 156-158 [TEMP, RAIN, PHO, FER, PH, USE] Siemonsma J 1993 pp 127-130 [TEMP, RAIN, FER, TEXT, PH, PHO]