The tropical tuber crops. Dioscorea alata – Winged Yam This species is a common food plant throughout the world, grows in northern Australia, and is now extending it’s range into northern NSW. Onwueme IC, 1978. Prevent anthracnose by keeping your plant clean and dry. 52. Dioscorea alata sp. For large infestations, try using an insecticidal soap, or beneficial predators such as lacewings or ladybugs. Some of these may be affiliate links, meaning we earn a small commission if items are purchased. Sun Exposure: Full Sun. India. The suitable air temperature for its development is 40 -70 degree Celsius. You can get ahead of schedule by sprouting the yam pieces before planting. Distinguishing Characteristics . Image of leaves, traditional, roots - 195436954 Depending on the amount, chlorophyll can be dangerous when eaten by humans. This plant is cultivated in the tropics of the whole earth. Dioscorea alata, known as purple yam, ube, or greater yam, among many other names, is a species of yam, a tuber. Here’s how to tell the difference: It has the widest global distribution of all the yams, and is grown throughout the tropics. It is hardy to zone (UK) 5. Dioscorea alata species will grow in a variety of soils. The post Dioscorea Alata: Growing Wonderful Winged Yams is by Rachel Garcia and appeared first on Epic Gardening, the best urban gardening, hydroponic gardening, and aquaponic gardening blog. It is also known as purple yam, greater yam, Guyana arrowroot, ten months yam, white yam, and winged yam. Ube, botanically known as Dioscorea alata, is a very popular yam throughout Asia. Winter hardy to USDA Zones 9-11 where plants are best grown in deep, fertile, organically rich, humusy, consistently moist, well-drained soils in full sun to part shade. Many are edible or are grown as ornamentals. If you have a huge tuber, you can remove a piece at a time, and the remaining winged yam will usually be fine. It can be toxic if eaten raw. The post Dioscorea Alata: Growing Wonderful Winged Yams is by Rachel Garcia and appeared first on Epic Gardening, the best urban gardening, hydroponic gardening, and aquaponic gardening blog. Water Requirements: Unknown - Tell us. It was first introduced to West African countries by the Portuguese and Spanish in the 16th century. Dioscorea alata, also known as purple yam, ube, or greater yam, among many other names, is a species of yam (a tuber). IMPORTANT INFORMATION: This datasheet is pending revision and updating; its contents are currently derived from FAO's Animal Feed Resources Information System (1991-2002) and from Bo Göhl's … I grow winged yam, Dioscorea alata, and aerial potato, D. bulbifera. It should be loamy, fertile, full of organic material, and well-draining. Among these, D. alata and D. esculenta were the o… Tubers continue to grow until harvested and can reach a length of 6 to 8 feet and weigh over 100 pounds. However, these tubers have a smoother texture that makes them perfect for delicate treats. In tropical areas, plants go dormant for about three months at the end of the rainy season. Photo about Cultivation of dioscorea alata known as purple yam or greater yam, organic farming. Dioscorea trifida is the only yam of New World origin, and its cultivation is mostly in the Caribbean. Typically the plants are propagated vegetatively. Anthracnose is a fungal disease that will cause leaf spots on your beautiful Dioscorea alata species. Winged yam (Dioscorea alata) is another non-native, invasive vine in Florida. It is closely related to air potato (Dioscorea bulbifera). It produces a large root crop of edible subterranean tubers (yams) which are an important starchy food source in many tropical to sub-tropical areas around the globe. The Basco variety, for example, is white with a lavender tinge. Photo about Cultivation of dioscorea alata known as purple yam or greater yam, organic farming. The name makes me imagine a flying Thanksgiving dish, but winged yams are actually used the most in desserts. The cultivation of this perennial vine requires a huge production area of about 5 million hectares. The bulbils may also be eaten, but the large tubers are favored. D. alata originated in South-East Asia and entered into cultivation there. Of all the cultivated yams, this is one of the most extensively grown. Tubers may be eaten mashed, fried, boiled or roasted. This disease usually isn’t fatal to the whole plant, but can definitely affect its growth. In South-East Asia, the well-known species cultivated in the Philippines are Dioscorea alata and Dioscorea esculenta [ 3 ]. Tropical Asia. Plus, having a support will boost your plant’s growth. Properties. Dioscorea alata, commonly known as water yam or winged yam, is a fast-growing, twining, tuberous-rooted, herbaceous perennial vine of the yam family (Dioscoreaeae). Dioscorea alata. This article is about Yam A, Dioscorea Alata — A for Alata uh-LAY-tuh. The water yam is a large, vigorous tender perennial vine that produces starchy, edible, bulbous tubers that may be white or purple fleshed. Cultivation. Avoid this by cooking your Dioscorea alata completely before consuming. And, if you’re lucky, you may get some clusters of yellow-white flowers. Prevent this from happening by keeping the tubers covered at all times while they’re growing. In SBR, It is widely distributed in Bangriposi Ghati, Gurguria, Sanuski, Nawana, Bakua, Kukurbhuka, Kalika Parsad and surrounding areas In others though, especially the Philippines, there are many different varieties of this species. The stems are twining, growing to 50 feet or more, with four often purplish wings (cross-shaped or square in cross-section). Purple Sweet Potato, Purple Yam, Ubi, Uhi, Water Yam, White Yam, Winged Yam. Chromosome Number: 2n = 20, In Dioscorea alata, majority of male clones are tetraploids (2n = 40) and majority of females have higher ploidy level (2n=60 or 80). Image of guyana, plant, organic - 195436987 For optimal growth, though, the soil should have all the best features. There’s no cure for this disease, so prevention is your only weapon. Otherwise, the new wounds could quickly rot when planted. If at any time the tubers poke out of the soil, quickly make a mound over it. Destroy the aerial tubers before throwing them out so they don’t take root in your compost bin. Photo about Cultivation of dioscorea alata known as purple yam or greater yam, organic farming. Udoessien ET, Ifon ET, 1992. Dioscorea is drought-tolerant, but it thrives best with consistent moisture. 18. To help prevent invasive spread, harvest tubers at the end of the growing season and replant each year plus remove and destroy bulbils that may appear. IRRIGATION AND DRAINAGE 19. The root above, however, is Dioscorea alata and those are always edible. The growing tubers will appreciate the extra room that loose soil gives it. The mosaic virus creates a “mosaic” of color on the leaves, usually in shades of yellow and green. Clewell (1985) as “introduced for ornament” and escaping from cultivation. They secrete honeydew that attracts ants, which is another pest to eliminate. It is one of various species of yams that were domesticated and cultivated independently within Island Southeast Asia and New Guinea for their starchy tubers, including the round yam (Dioscorea bulbifera), ubi gadong (Dioscorea hispida), lesser yam (Dioscorea esculenta), Pacific yam (Dioscorea nummularia), fiveleaf yam (Dioscorea pentaphylla), and pencil yam (Dioscorea transversa). It was first introduced to West African countries by the Portuguese and Spanish in the 16th century. Before planting in the ground, till the soil well. It’s a result of the tubers producing chlorophyll, the same chemical responsible for photosynthesis in leaves. Dark Night St. Vincent purple yams – When I was a little girl, we lived up in our own slice of Eutopia. Foliage: Herbaceous. Dioscorea batatas is a PERENNIAL growing to 3 m (9ft) by 1.5 m (5ft). They only last through the winter in zones 9-11. Water yam (Dioscorea alata L.) are adaptable to cultivation under different soil conditions. The tubers are usually a vivid violet-purple to bright lavender in color (hence the common name), but some range in color from cream to plain white. Dioscorea trifida is the only yam of New World origin, and its cultivation is mostly in the Caribbean. When the plants start to die at the end of the growing season, stop watering so they won’t rot. Their climbing vines support charming, heart-shaped leaves. D. alata, Yam A, under cultivation in soft soil. This potentially invasive plant spreads quickly through aerial tubers and we want to keep it under control. Chichester, UK: Wiley, 3-106. Plants grow best in temperatures above 70 degrees F. Dioscorea alata, commonly known as water yam or winged yam, is a fast-growing, twining, tuberous-rooted, herbaceous perennial vine of the yam family (Dioscoreaeae). From a culinary standpoint, however, true yams are considered to be a good potato substitute in hot climates where potatoes usually struggle.Genus name honors Pedanios Dioscorides, first century Greek physician and herbalist.Specific epithet from Latin means having wings in reference to the winged stems of this vine.Common name of winged yam also is in reference to the winged stems. The second richest Dioscorea species after D. alata L. is the D. bulbifera L. (Pita Aalu). Cultivation of dioscorea alata known as purple yam or greater yam, organic farming Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches, and a synopsis of the vegetable kingdom. COCOA 39. Plant the tubers 4-5 inches deep and 2 feet apart. Leaves are primarily opposite, but appear alternate near the base. Species you may find include the following: Dioscorea alata (white yam, water yam): Probably the most cultivated, edible, true yam. Dioscoreaceae, the Yam Family. In the tropics, Dioscorea alata can be planted any time of year, but usually just after the rainy season. Insects can also transmit the disease, so arm yourself against any pest problems. It’s also important that the soil is loose so the tubers can grow easily. Where is this species invasive in the US. Otherwise, the weather will only allow this yam to grow seasonally. It is perennial, fast growing, and climbing plant that grows up to 15 m long. Dioscorea alata harboured very low nucleotide diversity in comparison to potato diploid landraces (Hardigan et al., 2017) or cultivated and wild cassava (Ramu et al., 2017). They grow so quickly that some gardeners have reported 8 inches of growth in a single day. Growing True Yams under woodchips show difference between Ube's /purple yams (Dioscorea alata) and purple sweet potatoes (Ipoemea batatus). Here is more about our approach. Vines and Climbers. Dioscorea alata L., winged yam, white yam Family. The Dioscorea alata (yams) is a food crop of the staple diet of millions of people around the world, mainly in tropical and subtropical regions. Of all the cultivated yams, this is one of the most extensively grown. Family: Dioscoreaceae: Genus: Dioscorea (dy-oh-SKOR-ee-uh) Species: alata (a-LAY-tuh) Synonym: Dioscorea rubella: 8 members have or want this plant for trade. 4 more photos VIEW GALLERY. The vines aren’t the only thing busy growing. In my Brisbane garden, Winged yam (pictured) can produce a tuber weighing between 15 - 30kg in one growing season. It’s not exactly high-maintenance, but growing and containing winged yam is no small feat. White Yam. Photo about Cultivation of dioscorea alata known as purple yam or greater yam, organic farming. Tropical Asia. You can buy the starter pieces online or acquire some from a friend. Category: Vegetables. You can also prune infested vines or remove the pests one by one with a dab of rubbing alcohol. Anthracnose and viral diseases are occasional problems. Like potatoes, winged yam is usually grown by planting chunks of the tuber. It originated in South-East Asia in Burma, from where it spreads to other parts of the globe. Use a trellis, fence, or even a host tree. These plants are also referred to as “ube” or “ubi” in Phillippine cuisine. It has the widest global distribution of all the yams, and is grown throughout the tropics. It is in flower from September to October. Medicinally, it is used as a laxative and verfimuge and used to treat fever, gonorrhoea, leprosy, tum… Sometimes, the vines will grow smaller, aerial tubers above ground (similar to the air potato). Keeping the soil clear of debris and the plant dry are the best measures. Cultivation: A free-draining sandy soil rich in humus suits these plants. This is a deciduous, herbaceous vine, dying to the ground during the winter. In hard soil, or in old age, it can be lumpy and malformed. If your plant outgrows its support, prune back the vines with sharp, clean clippers. However, you’ll get the best results by following their care preferences. Family: Dioscoreaceae: Genus: Dioscorea (dy-oh-SKOR-ee-uh) Species: alata (a-LAY-tuh) Synonym: Dioscorea rubella: 8 members have or want this plant for trade. Just stick them in a bucket of soil and keep them moist. Although not grown within the same quantities since the African yams, it has the biggest distribution throughout the world of any grown yam, being grown in Asia, the Pacific islands, Africa, and also the West Indies (Mignouna 2003). In most places, ube is ube. Light Shade. View gallery. Each plant sports one underground tuber. Female flowers produce three-parted capsule fruits with winged seeds. While most, such as Zambales, stick to the classic purple, others have varying shades of white. Herbs. Distinct varieties of some yam species are available, but different names are used for the same yam in different parts of the world so that variatal designations are not particularly useful. Periodically check for and remove any rotted pieces. Let’s learn all about growing purple yam! It is distributed mainly in the forest patches of Eastern Ghats to the lower Himalayas in the Indian subcontinent. There are hundreds of cultivars worldwide (L. Degras 1993; D. G. Coursey 1967), varying in the color and consistency of the flesh. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. INCUBATORS 37. Here’s what we recommend. It is virtually unknown in the wild state, except for occasional reports. The tubers are usually vivid violet-purple to bright lavender in colour, hence the common name, but they may sometimes be plain white. This vine may grow as much as 6-8” per day in optimum conditions and can quickly blanket native vegetation including shrubs and tree crowns. used in variety of desserts and as flavouring. Yam bioactive compounds include steroidal saponins called diosgenin and dioscin, storage protein dioscorin, and anthocyanins [ 4 – 9 ]. Soils should not be allowed to dry out. The species is dioecious (individual flowers are either male or female, but only one sex is to be found on any one plant so both male and female plants must be grown if seed is required). Propagate by dividing tubers when dormant or from root cuttings in spring or by planting bulbils in spring. Called a cultigen, this species has only been known in cultivation and may even be a hybrid. Udoessien ET, Ifon ET, 1992. DIOSCOREA alata. DISEASES 3. For optimal growth, though, the soil should have all the best features. It is hardy to zone (UK) 8. Greening of tubers happens when they’re exposed to sunlight while growing. Interesting ornamental foliage plant for trellises, porches or pergolas. Alternately, add beneficial nematodes to the soil as they will hunt down and kill the root-knot nematodes. The yams keep their color when cooked, so be prepared to liven up your plate! Small tubers can be planted whole, while large ones can be cut into several pieces. Dioscorea Alata Cultivation. Dioscorea alata, known as purple yam, ube, or greater yam, among many other names, is a species of yam, a tuber. Some have escaped cultivation to become quite invasive in certain areas.
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