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Lablab purpureus

Authority(L.) Sweet
FamilyMagnoliopsida:Rosidae:Fabales:Leguminosae
SynonymsDolichos lablab L., Dolichos lablab L. and others, Lablab niger Medik
Common namesbatao, caroata chwata, chicarros, dolique d'Egypte, dolique lab-lab, Faselbohne, field bean, frijol caballo, frijol de adorno, frijol jacinto, gallinita, Helmbohne, hyacinth bean, lab-lab bean, lablab bean, lubia (the Sudan), pig-ears, poor man's bean, poroto de Egipto, quiquaqua, rongai dolichos, Schlangenbohne, sem, Tonga bean, wal
Editor
Ecocrop code1311



Notes
BRIEF DESCRIPTION A vigorous, twining vine reaching 6-9 m in length, with large deep tap roots, trifoliate leaves, and white to blue flowers. Variety lablab has long tapering pods, while variety lignosus has shorter pods. USES Grown for forage, green manure, and soil improvement. Young pods are eaten as snapbeans or cooked and eaten as vegetables. Dried seeds are edible. Fresh seeds contain poisonous prussic acid and must be thoroughly cooked before eating. KILLING T 0 to 3°C. Some early flowering varieties can be grown in frost-prone regions because the seeds mature before the onset of the frost in the fall. GROWING PERIOD Short-lived perennial often grown as an annual, in the the tropics it can persisting for two years or more, early cultivars may be harvested after 70-120 days and late cultivars after 140-210 or up to 300 days. A second crop may be obtained when the plants are treated as a short duration perennial. COMMON NAMES Lablab Bean, Hyacinth Bean, Bonavista bean, Dolichos, Egyptian bean, Indian butter bean, Agaya, Agni guango ahrua, Amora-guaya, Anataque, Anumulu, Apikak, Ataque, Australian bean, Avarai, Avare, Ballar, Bannabees, Batao, Batau, Beglau, Bonavis pea, Bunabis, Butter bean, Caraota chivata, Carpet legume, Chapprada, Indian bean, Dolique d'Egypte, Feve d'Egypte, Chaucha Japonese, Dolicho lablab, Habichuela trepadora, Helmbohne, Slingerboon, Anumulu, Avarai, Ballar, Chapprada, Mochai, Pavta, Popat, Uri, Val, Waby bean, Kachang kara, Kara-kara, Kekara, Pegyi, Tua Nang, Tua pab, Tua pap, Agaya, Apikak, Batao, Itab, Pin tau, Tseuk tau, Kashrengeig, Lubia bean, Parda, Gueshrangaig, Amora-guaya, Gerenga, Lubia bean, O-cala, Fiwi bean, Kikuyu bean, Saeme, Chichaso, Caraota chivata, Gallinazo blanco, Poroto de Egipto, Cumandiata, Labe-labe, Poroto bombero, Frijol bocon, Frijol Chileno, Frijol de la tierra, Gallinita, Tonga bean. FURTHER INF Scientific synonyms: L. niger, L. vulgaris, L. leucocarpus, L. mankinicus, L. perennans, Dolichos lablab, D. biflorus, D. purpureus, D. albus, D. cultratus. Hyacinth bean is native of India. It can in the tropics be grown at altitudes between sea level and 2100 m, but it perform best at lower elevations. Most cultivars are adapted to high temperatures and cool weather may adversely affect fertilization. The production extends south to beyond 30°S. Short day cultivars flower best with less than 11 hours of daylight, but also long-day cultivars exist. Photosynthesis pathway C 3 II. Hyacinth bean accept a wide range of humidity. Optimum yield is 2.5 t/ha of dry seed, while the average yield in India is about 1.4 t/ha. Optimum yield of green pods is 7.5 t/ha and the average yield in India is 2.6-4.5 t/ha. Fodder yields are about 25-40 t/ha of fresh material or 5-11 t/ha of dry matter.
Sources
Grassland Index
Roecklein J 1987 pp 164 [USE, RAIN, FER, DRA]
Kay D 1979 pp 184-196 [TEMP, KTMP, RAIN, TEXT, DRA, PH, FER, PHO]
Eswaran H 1986
Rehm S 1991 pp 151 [USE]
Purseglove J 1974 pp 273-276 [DRA, RAIN, FER, PHO]
Tindall H 1983 pp 268-271 [FER, DRA, PH, TEMP, RAIN, PHO]
Duke J 1975 pp 19 [PH, RAIN, TEMP]
Skerman P 1988 pp 311-319 [TEMP, RAIN, DRA, TEXT, PH, SAL, FER]
Bogdan A 1977 pp 367-369 [RAIN, DRA, DEP]
Bryant P 1973 pp 350 [TEXT, RAIN, DRA]
Kernick M 1961 pp 264
Duke J 1981 pp 102-106 [USE, TEMP, RAIN, DRA, TEXT, PH, KTMP]
National RC 1979 pp 59
Langer R 1991 pp 247-248 [TEMP, USE]
Rice R 1990 pp 316-317 [RAIN, FER, DRA, PH, TEMP, PHO]
Martin F 1984 pp 202-204 [TEMP, RAIN, PHO, USE]
Maesen L 1989 pp 48-50 [PHO, TEMP, KTMP, RAIN, DEP, DRA, TEXT, PH]