Variety from Thailand
Variety from Thailand
Ipomoea aquatica is a semi-aquatic, tropical plant grown as a vegetable for its tender shoots and it is not known where it originated. This plant is known in English as water spinach, river spinach, water morning glory, water convolvulus
Ipomoea aquatica is a semi-aquatic, tropical plant grown as a vegetable for its tender shoots and it is not known where it originated. This plant is known in English as water spinach, river spinach, water morning glory, water convolvulus, or by the more ambiguous names Chinese spinach, Chinese watercress, Chinese convolvulus or swamp cabbage, or kangkong in Southeast Asia and ong choy in Cantonese.
Water spinach will produce masses of tender shoots and leaves, rich in vitamins and minerals, and have a pleasant sweet flavor and a slightly slippery texture that contrasts well with the crispness of the stems when cooked. The leaves and shoots can be used raw in salads, steamed or stir-fried like spinach.
Animal feed
Water spinach is fed to livestock as green fodder with high nutritive value—especially the leaves, for they are a good source of carotene. It is fed to cattle, pigs, fish, ducks, and chicken. Moreover, it is mentioned that in limited quantities, I. Aquatica can have a somewhat laxative effect.
Medicinal use
I. Aquatica is used in the traditional medicine of Southeast Asia and in the traditional medicine of some countries in Africa. In southeast Asian medicine it is used against piles, and nosebleeds, as an anthelmintic, and to treat high blood pressure. In Ayurveda, leaf extracts are used against jaundice and nervous debility.[51] In indigenous medicine in Sri Lanka, water spinach is supposed to have insulin-like properties. Water extracts of I. Aquatica showed a blood sugar-lowering effect in Wistar rats. An aqueous juice of 100g plant material was given 30 minutes before eating glucose to diabetes 2 patients. After 2 hours it could be observed that blood glucose peak level was reduced by around 30%.
Also antioxidant bioactive compounds and anti-microbial substances could be detected in water spinach.[53] Furthermore, plant extracts of water spinach inhibit cancer cell growth of Vero, Hep-2 and A-549 cells, though have moderate anti-cancer activity.
Sowing and planting:
Seed can be soaked for 24 hours before sowing to encourage germination. The soil temperature requirement for germination is 20 °C.
When rainfall is low, frequent heavy irrigation is necessary for high-quality plants.
To produce strong seedlings, seed should be sown 5-10 mm deep in trays with a potting mix deep enough to allow the plants to develop a good root system. Transplanting should take place when plants are 10-15 cm high, with four true leaves. The highest yields are obtained by spacing plants at 15x15cm. They can also be grown in rows about 30 cm apart with plants at 20 cm spacing within rows.
Data sheet