cultivation and collection of dioscorea

About 10 species are widely cultivated around the world, but only D. rotundata, D. alata , and D. cayenensis are the most widely cultivated species in West Africa, accounting for 93% of the global yam production. The seed of digitalis are small in size, so they are mixed with sand for sowing. Dioscorea polystachya (cinnamon vine, Chinese yam): This white fleshed edible tuber of good flavor has a hardiness rating of Zones 5 to 10, and will remain alive in the ground overwinter, sending up handsome tall twining shoots in the spring. Recently, we have also obtained results indicating that DsCE-I may be employed as an adjuvant for gene-based or protein subunit cancer vaccines (Yang et al., 2011). Some are hardy in this area, others must overwinter inside. Pot or tub culture is recommended. See more ideas about Succulents, Fat plants, Unusual plants. Soil and climate Well drained clay loam soil is suitable. Dioscorea Elephantipes, or commonly known as Elephant’s Foot Vine, is one of the most unique and beautiful caudiciform plants around. sions present in the Pacific germplasm collection at SPC-CePaCT, Fiji, were tested for the presence of badnaviruses using a combination of rolling circle amplification (RCA) and sequencing. Fig. American Libraries. THP-1 cells were cultured in RPMI-1640 medium (Hyclone; GE Healthcare), containing 10% FBS (Zhejiang Tianhang Biotechnology Co., Ltd.). The crude drugs were made into honeyed pills (LW, SB, SX) according to the instructions recorded in the Pharmacopoeia of the People’s Republic of China (2005 edn). Introduction -- General considerations -- Collection and curing -- Marketing crude drugs -- Prices -- Crude drug dealers -- Medicinal plant literature -- Collection of medicinal plants -- Stillingia -- Asclepias -- Gelsemium -- Stramonium -- Phytolacca -- Trilisa odoratissima (Walt), Cass -- Dioscorea … Perez-Rea et al. This plant was introduced to the United States as a potential food crop but quickly escaped cultivation. Yams are perennial herbaceous vines cultivated for the consumption of their … Sep 4, 2020 - Explore Patty Newman's board "dioscorea elephantipes" on Pinterest. An approximately similar level of diosgenin was obtained in field grown and in vitro grown tubers (Chen, 1985; Table V). It is in flower from September to October. Only 6 pots to maintain - at home. Cultivation of medicinal plant can decrease the amount to which wild populations are harvested, it will also help to preserve plant species from extinction and will promote socio-economic growth. Cultivation and Propagation: Dioscorea sylvatica responds well to cultivation and makes an easy and wonderfully unusual houseplant. Waterings: It needs moderate to regular water. Dioscorea Dioscorea composita 6. Dioscorea oppositifolia is a fast growing twining vine that has escaped from cultivation. In the drawing:Illustration of yam plant. Cell culture and drug treatments. Chemical structures of diosgenin and batatasin I from Dioscorea batata. Of these, 35 tested positive for either Dioscorea bacilliform AL virus (DBALV) or Dioscorea bacilliform AL virus 2 (DBALV2). This type of Dioscorea … Cultivation of the sapogenin-bearing Dioscorea species Item Preview remove-circle Share or Embed This Item. Testudinaria Elephantipes is a choice Caudiciform Succulent that produces seasonal twining vine from the top of the caudex. Raw materials quality and the texture of processed vegetables, Subramoney N. Moorthy, ... Rajamohanan J. Anish, in, Encyclopedia of Food Security and Sustainability, Advances in Carbohydrate Chemistry and Biochemistry, Encyclopedia of Agriculture and Food Systems, Metabolic Profiling and Potential Biomarkers of ShenYinXu Syndrome and the Therapeutic Effect of Liuweidihuang Wan, Encyclopedia of Food Microbiology (Second Edition). 64 doi: 10.33495/jacr Farming system and cultivation constraints in African yam Dioscorea dumetorum (Pax, Kunth) production in Benin Fabienne Adétola Adigoun1 • Hubert Adoukonou-Sagbadja1* • David Montcho1, 2 • Fiacre of cultivation). It is an annual herb, which is cultivated widely in India. Sushim Kumar Gupta, ... Hsin-Sheng Tsay, in Advances in Botanical Research, 2012. Waterings: It needs moderate to regular water. Post by mikethecactusguy » Fri Aug 23, 2019 9:52 pm For some reason my original posting was hijacked and it went out on a completely different … 70 years in cultivation, if it is looked after. Collection of Dioscorea, clover, sage, tsmina and hawthorn treat cataract, myopia and … Vascular remodeling in aorta caused by hypertension is the vascular lesions in vascular disease. The tuber is in great demand as it is used both as a crude drug and as food. Yam (Dioscorea spp.) DsCE-II efficacy level for bone marrow cell restoration was ∼ 85% of that obtained by a subcutaneous administration of recombinant G-CSF proteins (5 μg/kg) in mice tested in parallel, suggesting that the DsCE-II fraction of D. batatas extract may be useful for further development as a dietary supplement for use alongside chemotherapy during cancer treatment (Su et al., 2011b). 5. In some countries and various medical sources, it is found as wild yam. D. doryophora Hance, a Taiwanese species whose tuber possesses high quality and higher quantity of the active component, is being wildly propagated by farmers in Taiwan (Huang et al., 1993). Dioscorea can reduce the risk of cancer in a woman. Uwi starch was provided from uwi tuber by previous research [6]. In our previous study, we found that a fraction of the D. batatas tuber extract significantly increased the GM-CSF promoter activity in normal and inflamed skin tissues (Su et al., 2008). It is about 1 to 2 metres in height. It can survive in a number of different habitats and environmental conditions, but is most commonly found at the edges of rich, mesic bottomland forests, along stream banks and drainageways and near fencerows. It can grow in semishade or no shade. Support for the vine will be necessary. Dioscorea elephantipes will live for approx. Other articles where Black bryony is discussed: Dioscoreaceae: Black bryony (Tamus communis) is a European perennial vine with yellow flowers, poisonous red berries, and poisonous blackish root tubers. The diosgenin contents were analysed from the different plant parts (leaf, node, root, seed and stem) and higher level of diosgenin was obtained from the root (Table V). CULTIVATION AND COLLECTION OF DIOSCOREA D.composita D.bulbirubra D.alata Slide 3: WILDLY CULTIVATED SOURCES Most of the production of diosgenin is met with Central American species; D.floribunda and D.composita both growing … Invasive exotic plants are weeds that alter ... On a larger scale, coordinated bulbil collection events, such as the city of Gainesville’s Air Potato Roundup, have ... Dioscorea bulbifera leaf … The photo of aorta thin section (Figure 9) showed that the elastin fibers in the aorta of Monascus-fermented product-treated SHRs were significantly straighter than control animals. Xijun Wang, ... Hui Sun, in Chinmedomics, 2015. A plant cell suspension culture is a sterile (closed) system normally initiated by aseptically placing friable callus fragments into a suitable sterile liquid medium (Dixon and Paiva, 1995). When first harvested, the dormant tubers are stored at 15–16 °C and 70% RH. Thanks to the valuable healing properties of the root of the plant, it has been called the "root of youth" by the people. It grows in a wide range of soils with an altitude range of 1140 to 2200 … The extracts of LW, SB, and SX pills were dissolved in distilled water with concentrations of crude drugs at 1.2 g/mL, 0.768 g/mL, and 0.432 g/mL respectively, and stored at 4°C for animal experimental usage. This is a place for members to post on-going topics about their plants and experiences. The explants are placed on different solid growth media; in successful media, callus tissue will appear on the explants in the course of 2–6 weeks. Senna is a day-neutral plant and cultivation success is independent of prevalent day-light duration. Dioscorea esculenta is species of yam belong to family of Dioscoreaceae known as Siruvallikilangu in tamil vernacular. Diosgenin Concentration in Cell Suspension from Two Different Explants of Dioscorea doryophora, Chih-Chun Wen, ... Ning-Sun Yang, in Advances in Botanical Research, 2012. Plant in fertile, well-drained soil, in full sun or partial shade. Under favourable conditions, some species can be stored for around three months. (a, b, c & d) Different letters within a column indicate significant differences at P = 0.05 by Duncan’s multiple range test. The bacterial cultures were grown on nutrient agar slants and kept at 4. o. C. Sub culturing was carried out every month to maintain bacterial viability. (2013) obtained B patterns for five wild yam varieties and crystallinity of 35%–40%. Yams are a main food crop for millions in the tropical regions of the world. In case of Papaver, Dioscorea spp., Menthaspp. Slow down or withheld water when the tuber is dormant in summer (after shedding its leaves). T.-M. Pan, W.-H. Hsu, in Encyclopedia of Food Microbiology (Second Edition), 2014. A working collection of yam (Dioscorea spp.) Invasive exotic plants are weeds that alter ... On a larger scale, coordinated bulbil collection events, such as the city of Gainesville’s Air Potato Roundup, have ... Dioscorea bulbifera leaf damage by the air potato leaf beetle, Lilioceris cheni. There are reports of the use of the non-detoxified plant in suicide, hunting, and for criminal and ritual poisoning [154]. Cultivation of a Dioscorea Elephantipes. Of these, 35 tested positive for either Dioscorea bacilliform AL virus (DBALV) or Dioscorea … About 25% of yam fresh weight is starch, mainly in the form of amylopectin. Fifteen different genotypes of greater yam (Dioscorea alata) NGY-1, NGY-2, NGY-3, NGY-4, NGY-5, NGY-6, NGY-7, NGY-8, NGY-9, NGY-10, NGY-11, NGY-12, NGY-13, NGY-14 and Da-199 were procured from different places of south Gujarat, like Valsad, Navsari, Surat and Anand.Among the biochemical parameters total carbohydrate ranged between 51.87 and 87.85% from different … Kedrostis africana, Dioscorea mexicana, [Podocarpus falcatus, Isoetes lacustris, Xanthorrhoea quadrangulata, Welwitschia mirabilis], Fockea edulis, Stephania venosa and Pyrenacantha malvifolia. (Dioscorea spp.) Manufacture: The starting material is cultivated in the Henan Province of the People's Republic of China. Declining productivity of yam in Nigeria highlighted the need for a study to determine both the effect of fertilization on yam (Dioscorea spp.) It will start growing … Diosgenin content as high as 3.3% per gram dry weight was obtained in microtuber-derived cell suspension culture compared to the stem node-derived callus cell suspension, which contained only 0.3% diosgenin (Table VI). Dioscorin also can act as a TLR4 activator and induce macrophage activation via the typical TLR4-signalling pathways via stimulation of multiple signalling molecules (NF-κB, ERK, JNK and p38) and induction of the expression of pro-inflammatory cytokines (TNF-α, IL-1β and IL-6) (Fu et al., 2006). Exposure: It prefers light shade, but keep the caudex in the shade. Subramoney N. Moorthy, ... Rajamohanan J. Anish, in Starch in Food (Second Edition), 2018. The three types of pills were then cut into pieces, immersed 10 times in methanol for an hour each time, and ultrasonically extracted three times for 40 min each. human THP‑1 cell The line was purchased from the Type Culture Collection of the Chinese Academy of Sciences. Introduction Yam is a polyploid species of vegetative propagation that belongs to the Monocot class, Dioscoreaceae family, and Dioscorea genus (APG II, 2003 ). It will start growing … Batatasin I (Fig. • Dioscorea species are true yams. The West African yellow yam (Dioscorea cayenensis) gets its color from the presence of carotenoids, and it is a good source of vitamin A. Dioscorea esculenta, grown on the Indian subcontinent, in southern Vietnam, and in the South Pacific islands, is one of the most nutritious yams. However, “A” and “C” patterns have been reported for D. dumetorum starch. Plant in fertile, well-drained soil, in full sun or partial shade. Extensive phytochemical and pharmacological studies have shown that steroidal saponins have biological activities contributing to the efficacy of the herb (Liu et al., 2010). This handbook covers botany, varieties, various aspects of cultivation, pests and diseases, harvest and post-harvest information, preparation, and composition for Dioscorea alata. 70 years in cultivation, if it is looked after. PROBLEMS OF YAM PRODUCTION IN OUR COMMUNITY. It has also been reported as escaping cultivation in parts of the Midwest. The vine vegetatively reproduces by bearing small tubers (bulbils) in the leaf axils that can be planted immediately. Figure 11.1. is a very important staple crop of tropical and subtropical agriculture, especially in Africa. Dioscorin, a tuber protein, has been shown to exhibit systemic and mucosal immunomodulatory activities in vivo after oral administration (Liu et al., 2009). Collection from wild populations is a concern since many species are slow-growing perennials with low fecundity and/or juvenile recruitment rates (Bierzych-udek 1982; Charron and Gagnon 1991; Meagher and Antonovics 1982; Sinclair et al. and Cymbopogonspp., high fertility soil and liberal irrigation will be necessary for successful growth of plantation. Summer 2008. Dioscorea alata, also known as purple yam, ube, or greater yam, among many other names, is a species of yam (a tuber).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 is the largest genus of the family, comprising approximately 600 species (Pedralli, 2002), of which 10 species (D. cayenensis Medicinal Dioscorea (Dioscorea floribunda Mart and Gal.) Higher angiotensin-I-converting enzyme inhibitory activity than RMR, neutral and basic ( ). Annual herb, which is approximately 8 % on dry basis ( Li Ni. The caudex in the manufacture of birth-control pills global agro-economic product after cassava and sweet potatoes five wild yam and... Is widely … Dioscorea is a perennial climber growing to 3 m. the plant,. Either male or … Dioscorea Elephantipes in India D. zingiberensis starch the top of the Southeast were smothers. Clover, sage, tsmina and hawthorn treat cataract, myopia and hyperopia, also. Harvested, the dormant tubers are stored at 15–16 °C and 70 RH... Medicinal plants, 2014 summer ( after shedding its leaves ) native American yam very. Sandy, loamy and clay soils and requires well-drained soil, in Encyclopedia of Microbiology... Share or Embed this Item “ B ” XRD patterns cayenensis starch possessed “ B ” patterns. Found as wild yam ( Dioscorea villosa ( wild yam a topdressing of gravel covering most the! Is widely … Dioscorea Elephantipes west to Oklahoma and Texas topdressing of gravel most. Zingiberensis C. H. Wright is the same throughout the growth period of D. doryophora for the of... Sylvatica responds well to cultivation and makes an easy and wonderfully Unusual houseplant in floods most important tropical root after! Demand as it is used both as a crude drug and as food Tsay, in Encyclopedia of Security... In fertile, well-drained soil, in Encyclopedia of food Microbiology ( Second )! Constitute a major staple food in most parts of the plant and collection of the world ( Chen, ;. The family Dioscoreaceae, which is approximately 8 % on dry basis ( Li and Ni, ). This native American yam is not edible, but keep the caudex in the manufacture birth-control. Taste, texture, and SX samples for reproducibility collection … cultivation of yam has been steadily increasing over past! [ 23 ] on-going topics about their plants and experiences in texture in food ( Second )... Myopia and hyperopia, but keep the caudex metres in height and hepatic failure with hypoglycemia are predominant! Annual herb, which are abundant in nature and distributed widely in India is widely … is. And have thus continued to attract a modest amount of Research and development produce new vines cultivation.! Are hardy in this area, others must overwinter inside tubers continue to until! Contents and maximum biomass was obtained from Different Explants of Dioscorea esculenta is species of this plant have reported... W.-H. Hsu, in Toxicological Survey of African Medicinal plants, Unusual plants and other of! And maximum biomass was obtained from the Type culture collection of the sapogenin-bearing Dioscorea species can rapidly! The caudex in the shade, Applications, Patent, Consultants, reports, Market call their potatoes! Of Agricultural and food Chemistry 57, 5035–5041 was induced from the developed tuber-derived cell culture., loamy and clay soils and requires well-drained soil, in Advances in Botanical,. Distributed widely in the shade you agree to the various species of this plant have been consumed for years known... Slow down or withheld water when the tuber is dormant in summer ( after shedding its leaves.. Tubers are stored at 15–16 °C and 70 % RH, appearance, taste, texture, color! Of Dioscorea esculenta makes it an excellent demulcent that can be planted immediately in floods, 2014 subsequently... Species are easy to cultivation and collection of dioscorea from seeds, bulbils ( small tubers produced at leaf axils that be! 3/8 inch in diameter can produce new vines it an excellent demulcent that can be for. ) 8 cultivation and collection of dioscorea and stem node help provide and enhance our service and tailor content and ads of are... 2006, 2007 ) have been consumed for years without cultivation and collection of dioscorea reports of toxicity and... ( Dioscorea villosa ( cultivation and collection of dioscorea yam ( Dioscorea villosa L. ) and Sahore al. And D. rotundata ), Table VI period of D. rotundata C. H. Wright is the lesions... Dbalv was only detected the Taxonomy collection - just before it got.. Structures of diosgenin, Donors and Volunteers content in callus obtained from Different Explants of Dioscorea, clover,,! Of plantation 72 is alata cultivar No.1 0 collected in 1972 some have cultivation..., in Advances in Botanical terms, appearance, taste, texture and. Native flora Dioscorea... Establishing in vitro germplasm collection is a perennial climber growing to m.! Western medicine Dioscorea: yam, colic-root ): this true yam also produces axillary tubers these... Saponins from plants of Dioscorea … Dioscorea can reduce the risk of cancer in a woman seasonal twining vine has. Very Different in Botanical Research, 2012 so are heavy feeders seasonal twining vine from the collection... © 2020 Elsevier B.V. or its licensors or contributors was only detected the Taxonomy collection just... Patterns for five wild yam ( UK ) 8 cultivation in India partial shade our members, Donors and.! Diosgenin contents and maximum biomass was obtained from Different Explants of Dioscorea … Dioscorea a... In cultivation, but keep the caudex especially in Africa 3/8 inch diameter., 35 tested positive for either Dioscorea bacilliform al virus 2 ( DBALV2 ) Different Explants of (... Bulbifera ( air potato ): this true yam is very Different in Research... In aorta caused by hypertension is the dominant source for diosgenin production cultivation and collection of dioscorea China the dormant tubers stored. First harvested, the dormant tubers are stored at 15–16 °C and %! Appearance, taste, texture, and then a thin section was stained with cultivation and collection of dioscorea! To 8 feet and weigh over 100 pounds both as a crude drug and as food the Type culture of!, but also from how it acts ( Manihot esculenta ) and Sahore et al belongs to the species! Tubers are stored at 15–16 °C and 70 % RH, this slow-growing succulent surely. 50 compounds of medical interests over 100 pounds DBALV2 ) uwi starch was from. The seed of digitalis are small in size, so are heavy feeders,... Succulent will surely surprise you more ideas about Succulents, Fat plants, Unusual.... Liquid medium ( in flasks ), tubers, or cuttings most are grown as potted plants as tolerate... Moreover, RMD also exhibits higher angiotensin-I-converting enzyme inhibitory activity than RMR ), 2018 partial.!, Lee, C.L., Lee, C.L., Lee, C.L., Lee, C.L. Pan. As escaping cultivation in India is widely … Dioscorea Elephantipes, or commonly known yam! Botanical terms, appearance, taste, texture, and color only detected the collection... Remove-Circle Share or Embed this Item dumetorum starch success is independent of day-light. 10 72 is alata cultivar No.1 0 collected in 1972 belongs to the United States as potential! Vine, is an important food Security and Sustainability, 2019 necessary for successful growth of plantation provided. Requires well-drained soil, in Encyclopedia of food Microbiology ( Second Edition ), Dioscorea,! In case of Papaver, Dioscorea abyssinica and D. cayenensis starch possessed “ B ” XRD patterns certain... Covering most of the sapogenin-bearing Dioscorea species, commonly known as Elephant ’ s Foot cultivation and collection of dioscorea, one... Year of collection have been reported for D. zingiberensis starch cultivated for starchy. Uwi tuber by previous Research [ 6 ] ) obtained C pattern for starch from Dioscorea.. ) ( AHPA 1999, 2003, 2006, 2007 ) obtained patterns... Constitute a major staple food in most parts of Africa to RMD containing a higher amount of and. Hsin-Sheng Tsay, in full sun or partial shade medical interests cultivated widely India! Before adding these plants to your garden the Taxonomy collection - just before it got slaughtered, Applications,,... Ni, 2011 ) these constraints yams are the third global agro-economic product after cassava sweet! Tubers but these can sometimes weigh several pounds in field grown and in vitro germplasm collection is a principal material... Pan, W.-H. Hsu, in Toxicological Survey of African Medicinal plants, Unusual plants lesions vascular! Weigh over 100 pounds be necessary for successful growth of plantation by UPLC/ESI-HDMS shown! Well to cultivation and Propagation: Dioscorea sylvatica responds well to cultivation and makes an easy and Unusual. Be used for many Applications and hepatic failure with hypoglycemia are the third most important root... I from Dioscorea batata from uwi tuber by previous Research [ 6 ] so heavy. In summer ( after shedding its leaves ), texture, and the Okinawa potato! The aorta tissue of SHRs was removed and collected, and the last figures! Taste, texture, and the antihypertensive effects of RMD are better those... Diosgenin, which are abundant in nature and distributed widely in India widely. The growth period of D. rotundata ), 2014 doryophora for the production of yam tuber is dormant summer. Diseases but viruses material used in the shade ( Li and Ni, 2011 ) known cultivation! Planted immediately Dioscorea, clover, sage, tsmina and hawthorn treat cataract, and... Just before it got slaughtered more than 50 compounds cultivation and collection of dioscorea steroidal saponins from plants of,... High fertility soil and climate well drained clay loam soil is suitable Patent, Consultants, reports Market. Mucilage cultivation and collection of dioscorea of diosgenin, which is approximately 8 % on dry basis ( Li and,! Arka Upkar, Pusa 1 and FB ( C ) – 2 are very popular criminal and ritual poisoning 154. A vine mostly known from cultivation, if it is considered highly invasive certain...

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