It was brought to the americas from africa during the slave trade. Once you merge pdfs, you can send them directly to your email or download the file to our computer and view. Dioscorea esculenta, commonly known as the lesser yam, is a yam species native to island southeast asia and introduced to near oceania and east africa by early austronesian voyagers. Dioscorea alata plant finder missouri botanical garden. Creating pdf files on your phone the new york times. Of the dioscorea species available in sbr, 10 species are known to be bitter in. Air potato dioscorea bulbifera is an invasive plant species in florida that should be removed from public and private properties to help protect the states natural areas. The most prolific and widespread of all dioscorea spp. Lloyd investigated the dioscorea subject, and found that the variety of the vine yielding the drug originally em.
All species are easy to grow from seeds, bulbils little tubers, tubers, or cuttings. Fundamental and derived properties of yam dioscorea spp. Nwauzor ec, fawole b 1981 root knot nematodes on yams dioscorea spp. Dioscorea batatas is the taxonomic name generally used in the united states29. The plant list includes a further 316 scientific plant names of infraspecific rank for the genus dioscorea. Effect of the acetylation process on native starches of. Pdfcreator allows you to convert files to pdf, merge and rearrange pdf files, create digital signatures and more. Dioscorea oppositifolia occurs only in india 21,93.
In this study, we employed hts on yam to determine whether any undiscovered viruses were present that would. Effect of 24epibrassinolide on growth of in vitro shoot. Pdf efficient shoot organogenesis in petioles of yam. It thrives best in moist places, running over bushes and fences and twining about the growth in thickets and hedges. Dioscorea batatas is called chinese yam, cinnamon yam, wild yam, or common yam. An analysis of weight loss of stored yam dioscorea. There are six species that are important staples and these are white yam d.
One of the beautys of the half hardy perennial dioscorea is its cinnamon fragranced flowers these bloom anytime from spring to autumn variety specific with small white flowers. Dioscorea synonyms, dioscorea pronunciation, dioscorea translation, english dictionary definition of dioscorea. Postharvest microbial rot is an important disease that causes severe losses in yam dioscorea spp. In florida, herbarium records now reported for naturalized populations in 7 counties. An analysis ofweight loss ofstored yam dioscorea spp. Pdf merge combine pdf files free tool to merge pdf.
Rearrange individual pages or entire files in the desired order. However, yam is susceptible to a range of serious and debilitating diseases including viruses. Plant in fertile, welldrained soil, in full sun or partial shade. Wild yam, colic root, china root, yuma, rheumatism root, wild yamwurzel, liver root, devils bones and dioscorea. Read what dioscorea japonica root extract is doing in your skincare and cosmetic formulas and browse products you can find it in. It covers factors affecting storability, principles of storage, and specific handling, storage methods, and. Once files have been uploaded to our system, change the order of your pdf documents. Pelagia research library advances in applied science research, 2015, 610. The free version of pdf architect already allows you to view, rotate, delete and rearrange pages as well as merge multiple documents. A comparative investigation of the fundamental and derived properties of starches from some species of yam dioscorea spp. Evolution and phylogenetic diversity of yam species. Change pdf default app to be acrobat windows 10 penn state. Yams are perennial herbaceous vines cultivated for the consumption of their starchy tubers in many temperate and tropical regions, especially in latin america, africa, asia, and oceania. Rot from microbial infection of healthy yam tubers reduces their table quality and renders them unappealing to consumers.
Thus, although dioscorea was introduced by the thomsonian school in medicine, it became a favorite in the eclectic school, where for decades it has found a cordial reception. Dioscorea elephantipes is summer deciduous and is a perennial geophytic climber. Dike department of animal science and fisheries, imo state university, p. Description dioscorea batatas is a twining herbaceous. Files of the type spp or files with the file extension. One hundred eighty seven accessions comprising 166 yam landraces and 21 yam dna samples. They are mostly grown for their starchy tubers both.
However, there is little information available about their diversity and species identity. Dioscorea yams genus dioscorea plant genus a genus of plants dioscoreaceae, family dioscoreaceae, yam family yams yam plant, yam any of a. Proceeding of the 3rd research planning conference on rootknot nematodes, meloidogyne spp. To study the leaf epidermis of wild and micropropagated dioscorea bulbifera linn. You can merge pdfs or a mix of pdf documents and other files. You can add pdfs to your apple books library on your iphone, ipad, ipod touch, or mac, then access your files. Yams do well when planted in a hill filled with compost. A study was carried out at bimbilla in the nanumba north district of ghana to evaluate possible.
Wap in major producing areas in nigeria alexander adi bem. Examining the physicochemical, functional and rheological. Phytochemistry and therapeutic potential of medicinal plant. The 1980 list was based upon the work of the regional committee in southeast asia and its descriptor numbers are given in parentheses beside the present. Ezeike agricultural engineering department, university ofnigeria, nsukka, nigeria received 10january 1984, accepted 12october 1984 ezeike, gabriel o. The forests of odisha form a major part of the eastern ghats. To date, several viruses of different genera have been reported to infect yam dioscorea spp. Wilson 80 reported progress made at iita during 19751980 on field selections for resistance to tuber yield reduction by fungal leaf diseases caused by. Dioscorea villosa wild yam root extract is an extract of the rhizomes of the wild yam, dioscorea villosa. Field and storage fungi diseases of yam dioscorea spp. A reliable means to induce sprouting in dormant seed tubers of yams dioscorea species is required to enhance flexibility in planting date and rate of propagation of the crop.
Dioscorea is a genus of over 600 species of flowering plants in the family dioscoreaceae, native throughout the tropical and warm temperate regions of the world. Comparative effects of explants sources and age of plant on rooting, shooting and tuber formation of vine cuttings from yams dioscorea spp. Nutrient deficiency symptoms in yams dioscorea spp. Dioscorea is a genus of great economic value, including important food plants. Nutritional and antinutritional evaluation of wild yam dioscorea spp. Dioscorea species, popularly known as yam worldwide and as ban aalu in odisha, india, is a prime staple medicinalfood substitute for the majority of rural and tribal people of the state of india. Windows 7 and earlier select always use the selected program to open this kind of file. Effect of curing treatments on seven key farmers yams. Dioscorea sansibarensis pax section macroura, zanzibar yam. A study was carried out on the storage rot of yams dioscorea spp in keffi and environs, nasarawa state. Yam landraces in kenya have not been fully characterized both at morphological and molecular level. Use of resistant varieties, diseasefree healthy planting materials, and strict phytosanitory measures are advocated. Tuber development, storage and germination in yams. Download this free pdf creator right now and use it to print to pdf.
The gisd over the past two years and has been redesigned with support from the abu dhabi environment agency, the italian ministry of environment and ispra the institute for environmental protection and research, italy. They can be planted 2 to 3 inches deep in 42inch rows. Effect of 24epibrassinolide on growth of in vitro shoot tips of different yam dioscorea spp. Five5 towns, kana,kofa gwari, laminga, garaku and kokona in keffi local government area, nasarawa state, nigeria were. The app automatically converts the file to pdf and saves it to document cloud. Wild yam has a large native range encompassing most of the eastern united states, ending at. Your phones app store should have several utilities for converting documents and pages into pdf files, and some are free. Several species are widely cultivated in many cultivars several species are widely cultivated in many cultivars including dioscorea alata, d. Effect of partial replacement of yam peel meal dioscorea spp. Adobe acrobat reader dc download free pdf viewer for. Information is also included on related species occurring in florida, including winged yam, d. Yam is the common name for some plant species in the genus dioscorea family dioscoreaceae that form edible tubers. It is also synonymous with dioscorea oppositifolia. Banaag a, honda h, shono t 1997 effects of alkaloids from yam, dioscorea hispida schlussel, on feeding and development of larvae of the diamondback moth, plutella xylostella lepidoptera.
What you need to convert a spp file to a pdf file or how you can create a pdf version from your spp file. The longterm storage potential of these tubers is vital for food. The air potato management plan was developed to provide a synthesis of the information available on dioscorea bulbifera and its management in florida. In summer the leafless plant conserves energy by dropping its leaves in october, just before the onset of the summer heat. Select a location to save the file where you can find it again. Edit your pdf file online and for free with this high quality converter or compress, merge, split, rotate, sort or protect your pdf documents. However, studies on the suitability of some varieties for diverse culinary and industrial purposes are limited to inform in their production. Effect of the acetylation process on native starches of yam. The database and code is licensed under a creative commons attributionnoncommercialsharealike 3. Winter hardy to usda zones 911 where plants are best grown in deep, fertile, organically rich, humusy, consistently moist, welldrained soils in full sun to part shade.
The following databases may contain further information on this name. Fungi associated with soft rot of yams dioscorea spp. The common name for the genus, yams, will be used when discussing information applicable to 2 or more of the above species. Pdf estimation of genetic diversity of the kenyan yam. Major pathogen s isolated from the field and storage yam bands. Save and mark up pdfs on your iphone, ipad, or ipod touch with. In this study, inter simple sequence repeat issr and sequence related amplified polymorphism srap techniques were used to assess genetic diversity within 21 yam landraces from seven cultivated. Air potato dioscorea bulbifera 2 distribution native to tropical asia and subsaharan africa, air potato was spread by ancient polynesians throughout much of the south pacific where it is now considered invasive. It is grown for their edible tubers, though it has smaller tubers than the more widelycultivated dioscorea alata and is usually spiny. Key access and utilization descriptors for yam genetic resources corporate author.
Japanese journal of tropical agriculture 51, extra issue 2. Fao this publication addresses storage and processing issues of the principal root and tuber crops of the tropics. Highthroughput sequencing hts methods are increasingly being used in the discovery of new plant viral genomes. Combine pdfs in the order you want with the easiest pdf merger available. Apr, 2011 kikuno h, matsumoto r, shiwachi h, toyohara h, and asiedu r. Passam agricultural university of athens, vegetable production, greece, abstract tropical root crops such as sweet potato and colocosia are also cultivated in the mediferranean region. Would you like to share your pdf documents on a wix website. Dioscorea definition of dioscorea by the free dictionary. September 2425, 201 dallas, sa field and storage fungi.
Online pdf converter edit, rotate and compress pdf files. Species plant steroid hormones, which possess significant growth controlling activity, and are involved in the promotion of cell elongation, cell division, differentiation, disease re sistance, stress tolerance, and senescence throughout the. The plant list includes 1,192 scientific plant names of species rank for the genus dioscorea. How to grow dioscorea plants in your garden gardeners hq guide to growing cinnamon vine, yam, and colic root.
The results of leaf analysis are in tables 3 and 4. Plants free fulltext molecular characterization of a. Efficient shoot organogenesis in petioles of yam dioscorea spp. It is the only major edible yam native to two continents. Escambia, gadsden, leon, levy, charlotte, lee, and dade wunderlin et al. Like many other vegetatively propagated crops, yam diseases are also perpetuated and spread mainly through infected planting materials. The full diversity of viruses infecting yam, however, remains to be explored. Its ethnopharmacological potential and from the greater himalayas to the plain of ganga.
The tubers themselves, also called yams, come in a variety of forms owing to numerous. Storage rot of some yams dioscorea spp in keffi and. Please click on any button to follow a link to that database. Dioscorea villosa, the species common in north carolina, is a perennial vine that grows in moist thickets and hedges.
The vast majority of the species are tropical, with only a few species extending into temperate climates. Effect of the acetylation process on native starches of yam dioscorea spp the ds corresponded to the average number of acetyl groups introduced per unit of anhydrous glucose whose molecular weight was equal to 162 units equation 2. In addition, yams dioscorea spp, which are an important root crop especially in west africa, have been. Click, drag, and drop to reorder files or press delete to remove any content you dont want. The dioscorea spp examined included dioscorea rotundata white yam, d. Useful tropical plants database 2014 by ken fern, web interface by ajna fern with help from richard morris. An analysis of weight loss of stored yam dioscorea spp. Nutritional and antinutritional evaluation of wild yam. Read what dioscorea villosa root extract is doing in your skincare and cosmetic formulas and browse products you can find it in.
Download free acrobat reader dc software, the only pdf viewer that lets you read, search, print, and interact with virtually any type of pdf file. Dioscorea alata has been selected for leaf virus and scorch tolerance among clones. Work on documents anywhere using the acrobat reader mobile app. How to merge pdfs and combine pdf files adobe acrobat dc. Dioscorea plant growing guide how to grow cinnamon vine. Native of naturalized in koppengeiger climate zones af, am, aw, bwh, bsh, cwa, cwb, and cfa. Click add files and select the files you want to include in your pdf. They can be planted 2 to 3 inches deep in 42inch rows with plants spaced 18 inches apart, or in hill plantings 3 feet apart. At 15 to 60 mg l 1 leaves of tda 9500361 contained high levels of fe and tdr 8902565 leaves had high levels at 40 to 60 mg l 1 fe. Control of white yam dioscorea rotundata rot pathogen using.
416 413 1027 188 929 486 340 240 742 538 258 959 315 1223 582 444 1303 863 1431 908 1344 709 1088 1359 399 815 160 486 743 778 803 326 346 887 119 1445