yam cultivation in cameroon

session so others can sign in. Its cultivation is restricted to West and Central Africa [3], and widespread in western Cameroon. Agriculture in Cameroon is an industry that has plenty of potential. cultivation has the potentials to greatly contribute to poverty alleviation and food security, in Cameroon. ISBN 92-5-102862-1). A yam researcher at the University of Buea, Dr. Achidi Adumi, in an exposé on "Baseline Studies on Yam", said little effort has been made in research on yam cultivation in the country. The yam marketing system is poorly organized, and hinders farmers from reaping optimum benefit from the activity. Dioscorea rotundata, D. cayenensis, D. alata, D. Dumetorum and D. bulbifera were most frequently detected yam … This review highlights research gaps in the yam production chain, which can be exploited to enhance production in the country. Continuing to use www.cabdirect.org The tubers are put 5 cm deep into the soil. International Institute of Tropical Agriculture (IITA), Ecoregional Center, P.M.B. ), production, Cameroon. Faculty of Agriculture and Veterinary Medicine, University of Buea, PMB 63, Buea, Cameroon. There are two centers of yam cultivation worldwide. Yam processing is very limited, and, coupled with poor conservation facilities, contributes to elevated post-harvest losses. Variation in yam seed production techniques across agro-ecologies in Cameroon. means you agree to our use of cookies. … is a very important common food crop in West Africa. Growing Slips For Planting Start growing the sprouts. Yams are perennial herbaceous vines cultivated for the consumption of their starchy tubers in many temperate and tropical regions, especially in Africa, South America and the Caribbean, Asia, and Oceania. Production of yams in Africa is largely confined to the 'yam zone', comprising Cameroon, Nigeria, Benin, Togo, Ghana, and Côte d'Ivoire, where approximately 90% of the world's production takes place. According to the International Institute of Tropical Agriculture (IITA) a majority of this production (90%) takes place in the ‘yam zone’, comprising Cameroon, Nigeria, Benin, Togo, Ghana, and Côte d’Ivoire. There are over 13,636,000 records available in CAB Direct | Last updated on December 13, 2020. When vines start crawling on the ground, they are trained to climb their respective stakes. It is a tropical as well as subtropical plant. a convenient, single point of access to all of your CABI database subscriptions. She stated that despite the nutritive and economic importance of yam, only 25 Cameroonians are yam … Variation in yam seed production techniques across agro-ecologies in Cameroon. Cassava (Yam roots). Some of these species are water yam (Dioscorea alata), white yam (D. rotundata), yellow yam (D. cayennensis), lesser yam (D. esculenta) and three-leaf yam (D. dumetorum). Yam (Dioscorea spp.) These are staples to m'any communities in the … Commons Attribution License 4.0. ISBN 92-5-102862-1). According to the International Institute of Tropical Agriculture (IITA) a majority of this production (90%) takes place in the ‘yam zone’, comprising Cameroon, Nigeria, Benin, Togo, Ghana, and Côte d’Ivoire. Yam (Dioscorea spp.) Paul Ajayi and Ryo Matsumoto, showing off the harvested yam. The economics of yam cultivation in Cameroon. Today the crop is grown in scattered small plots rather than in large fields. Yam production in Ghana has been on the decline despite the increasing demand for local consumption and for export. 380_58 the economics of yam (dioscorea spp.) Farmers commercially cultivate mainly Dioscorea rotundata (26 varieties) and to a lesser extent D. alata (13 varieties). cultivation has the potentials to greatly contribute to poverty alleviation and food security, in Cameroon. Yam tubers tend to have rough skin that varies in color from light pink to dark brown and is difficult to peel but softens when heated. production in cameroon: the case of fako division 380_59 economics of seed yam production from minisetts in umudike in southeastern nigeria: implications for commercial growers 380_60 yam for foreign exchange: potentials and prospects in ghana Extensive online help - available wherever you are in CAB Direct. The first is the high rainfall region of western Africa, from the Ivory Coast to Cameroon. The water yam (Dioscorea alata) vine twines to the right while that of white Guinea yam (Dioscorea rotundata) twines to the left. Overview. Find out more about this exciting new development, Using our new visualization tools you can, Using our new highlighting and annotation tool you can, remove selected records that are not saved in My CABI, sign you out of your Key words: Review, yam (Dioscorea spp. Like yam, it is normally planted on ridges or little hills. There are about 600 known varieties of yam, 95% of which are cultivated in Africa. CAB Direct is the most thorough and extensive source of reference in the applied life sciences, Subsistent yam cultivation takes place in all five agro-ecological zones of the country. Virtually all global yam production takes place in the developing world. The species originated in trop-ical Africa and occurs in both wild and cultivated forms. copyright of this article. "This year (2020) the ministry has established an aeroponics system at Oyo State for the production of clean seed yam; established cold storage facilities in Ekiti, Benue and Oyo States," he said. There are two centers of yam cultivation worldwide. Book chapter; Conference paper : Tropical root crops: research strategies for the 1980s. yam species commonly grown and consumed in West and Central Africa [2]. Cocoyam Production in Cameroon Si~on NJl8le Lyonga Agronomift IRAF Station, Cameroon / Abstract Cameroon is a major producer of macabo (Xanthosoma spp.) PROBLEMS AND PROSPECTS OF YAM PRODUCTION ABSTRACT Nigeria is by far the world’s largest producer of yams, accounting for over 70–76 percent of the world production. Bell 157 Introduction of flour from Dioscorea dumetorum in a rural area G. Martin, S. T'reche, L. Noubi, T. Agbor Egbe, and S. Gwangwa'a 161 Cocoyams, Sweet Potatoes, and Others Cameroonian food crops dominate the agricultural market in the region. Much of the vegetab… Virtually all global yam production takes place in the developing world. Nigeria is the largest producer of yam in the world, followed by Ghana, Côte D’Ivoire, Benin, Togo, and Cameroon. This article is published under the terms of the Creative Here the most important species are the white yam (Dioscorea rotundata) and the yellow yam (D. cayenensis), named for the color of their tuber's flesh. Author(s) : Lyonga, S. N. Author Affiliation : Cameroon National Root Crops Improvement Program, Institute of Agricultural Research, Buea, Cameroon. Yams aren't grown from seeds like most other … Farmers in Buea and environs can follow the normal yam planting calendar (October-January). Yam is the common name for some plant species in the genus Dioscorea (family Dioscoreaceae) that form edible tubers. 67, Dschang, Cameroon. Production of yams in Africa is largely confined to the 'yam zone', comprising Cameroon, Nigeria, Benin, Togo, Ghana, and Côte d'Ivoire, where approximately 90% of the world's production takes place. Yams are monocots native to Africa and Asia and related to grasses and lilies. The tubers can potentially grow to a length of 4.9 feet and a height of between 3 to 6 inches. The full production potentials of yams have not been exploited, leaving Cameroon with an annual production of 648,407 metric tons (MT) at the sixth position, among the six countries of the West African yam zone, with 67.3 million MT. cultivation: See: civilization , development , discipline , education , promotion ... Street market in poor neighborhood of Grand Moulin Douala Cameroon West Africa with stalls selling plantain yam cooking oil A man sells potatoes, pineapples, and onions at a roadside market in Nigeria's Niger State. Yam production in West Africa is second only to that of cassava, surpassing that of maize, rice, and sorghum. Although with many fluctuations, yield and production quantities have recorded a marginal net increase, since 1961. At the beginning of the wet season farmers plant it using seeds, small tubers, or pieces of root. Cultivated species are both indigenous and exotic, and traditional seed systems (sorting, junking, and milking) are exploited for seed procurement. The tubers themselves, also called "yams", come in a variety of forms owing to numerous cultivars and related species. Dr. Chris Okonkwo, in this training video, shows step by step how to propagate yam through minisetts. It is therefore a key crop for African food security. There are over a hundred and fifty varieties of yams available worldwide but in Cameroon, we recognize but a few which thrive better in our climatic conditions; White yam … According to the Food and Agricultural Organization report, in 1985, Nigeria produced 18.3 million tonnes of yam from 1.5 million hectares, representing 73.8 percent of total yam It needs a pH range of 5.5-7.0. is an important food crop cultivated for its edible tubers in Cameroon. incorporating the leading bibliographic databases CAB Abstracts and Global Health. During the vegetative phase it needs distributive rainfall, humid and warm weather, during the corm development … Maize is the most important food crop, followed by wheat and barley. Agriculture was the main source of growth and foreign exchange until 1978 when oil production replaced it as the cornerstone of growth for the formal economy. 380_58 the economics of yam (dioscorea spp.) Yam tubers tend to have different sizes ranging from the size of a small potato to more than 130 pounds. The world production of yam was estimated at 28.1 million tons in 1993. Yam (Dioscorea spp.) Yam (Dioscorea spp.) Author(s) : Lyonga, S. N. Author Affiliation : Cameroon National Root Crops Improvement Program, Institute of Agricultural Research, Buea, Cameroon. Cameroon - Cameroon - Agriculture, forestry, and fishing: Although the growth of the petroleum industry since 1980 has resulted in a gradual decline in the importance of agriculture, forestry, and fishing to the gross domestic product (GDP), the sector continues to play a notable role in the economy. Cameroon has nine cultivated and 17 wild species, exploited by Baka pigmies for food, but there is no established genebank, thereby exposing the genotypes to genetic erosion. is an important food crop cultivated for its edible tubers in Cameroon. She stated that despite the nutritive and economic importance of yam, only 25 Cameroonians are yam research specialists. Afterwards, they are removed to a bed of 1metre wide and 20 cm high. yam is four times greater than that of other root and tuber crops (Oke, 1990; Roots, tubers, plantains and bananas in human nutrition, FAO. A yam researcher at the University of Buea, Dr. Achidi Adumi, in an exposé on "Baseline Studies on Yam", said little effort has been made in research on yam cultivation in the country. You can now claim your publications on CAB Direct with your ORCID iD! CAB Direct provides The full production potentials of yams have not been exploited, leaving Cameroon with an annual production of 648,407 metric tons (MT) at the sixth position, among the six countries of the West African yam zone, with 67.3 million MT. Nigeria, West Africa produces yam in vast quantity and is accounting for about 70% of the world's total yam production, and because of this, it is the termed the largest producers of yams globally followed by Côte d'Ivoire and Ghana respectively. CAB Direct The soil should be sandy, but too clayey soils do not suit Yam cultivation. Other major constraints to yam production include high labour demand, pests and diseases, absence of improved seeds and research neglect. yam is four times greater than that of other root and tuber crops (Oke, 1990; Roots, tubers, plantains and bananas in human nutrition, FAO. Yam (Dioscorea spp.) If you would like to, you can learn more about the cookies we use. Its cultivation is restricted to West and Central Africa [3], and widespread in western Cameroon. African market. Department of Plant Biology, Faculty of Science, University of Dschang, P. M. B. Background: Yam (Dioscorea spp.) Book chapter; Conference paper : Tropical root crops: research strategies for the 1980s. CONTENTS 7 Variability in the chemical composition of yams grown in Cameroon T. Agbor Egbe and S. Treche 153 Mineral content of yam tubers: raw, boiled, and as flour A. Surveys were conducted in Cameroon to determine the incidence and severity of yam mosaic disease and associated viruses in 124 yam farms in four agro-ecological zones in 2014 and 2016. Farmers should dilute 50 grams of fungicide and insecticide in a basin containing 20 litres of water and dip the yam seeds into the mixture for at least ten minutes to prevent pest and disease attacks. Yam is the name given to several plant species in the genus Dioscorea including Dioscorea alata (white yam), Dioscorea bulbifera (potato yam), Dioscorea cayenensis (yellow yam), Dioscorea esculenta (Asiatic yam) and Dioscorea batatas (Chinese yam) that are grown for their edible tubers. Minisett technology is also gaining grounds. yam species commonly grown and consumed in West and Central Africa [2]. Although it can be cultivated alone, it is mostly grown with yam or maize. Like most websites we use cookies. production in cameroon: the case of fako division 380_59 economics of seed yam production from minisetts in umudike in southeastern nigeria: implications for commercial growers 380_60 yam for foreign exchange: potentials and prospects in ghana The first is the high rainfall region of western Africa, from the Ivory Coast to Cameroon. In 2004, agriculture contributed 44% to GDP. … For these reasons and problems of storing harvested yam, the costs of yam production are high and yam is slowly losing ground to cassava and other food staples. Yam cultivation in the Gonja triangle, Damango district, Ghana. Surveys were conducted in Cameroon to determine the incidence and severity of yam mosaic disease and associated viruses in 124 yam farms in four agro-ecological zones in 2014 and 2016. This is to ensure that we give you the best experience possible. A survey was carried out in three ecological zones to find out the constraints and prospects to yam production. The main cultivated yam, D. rotundata, has two close wild relatives , the savannah species Dioscorea abyssinica and the … 2008, Messa, Yaounde, Cameroon. and taro (CQ/ocasia spp. For these reasons and problems of storing harvested yam, the costs of yam production are high and yam is slowly losing ground to cassava and other food staples. cultivation has the potentials to greatly contribute to poverty alleviation and food security, in Cameroon. One cultivated yam (Dioscorea bulbifera) bears small tubers along the aerial stems in the leaf axils (the angle between the stem and leaf stalk). 5320, Ibadan, Oyo State, Nigeria. South Africa reported a total of 2344.6 thousand metric ton of maize production in 2018, with a free state province accounting for 28.5% of the total maize production in Cameroon. Then bamboos of about 2 meters high for each seedling are staked to direct the vines of the yam for adequate sunlight to reach the crop. There is the need for concerted efforts involving all stake holders in the yam production chain to enhance yam production in Cameroon. Copyright © 2020 Author(s) retain the ), producing about one million tons,in 1978. The species originated in trop-ical Africa and occurs in both wild and cultivated forms. International Institute of Tropical Agriculture (IITA), Oyo Road, P.M.B. The economics of yam cultivation in Cameroon. The yam seeds must stay in that condition for three-five weeks for them to sprout. They are trained again when long branches start crossing the rows or when weeding operation is about to be done. Soil should be sandy, but too clayey soils do not suit yam cultivation in the seeds! Iita ), Oyo Road, P.M.B be exploited to enhance production in the genus (! Science, University of Dschang, P. M. B subsistent yam cultivation in the yam production highlights gaps... Chain to enhance yam production for export ecological zones to find out the constraints and prospects to yam chain., 95 % of which are cultivated in Africa place in all five zones. Database subscriptions survey was carried out in three ecological zones to find out the and... Other major constraints to yam production in Cameroon can learn more about the cookies we use terms... Harvested yam Commons Attribution License 4.0 Oyo Road, P.M.B production chain to enhance production in the region 44 to. A very important common food crop cultivated for its edible tubers are in CAB Direct with your ORCID!. All stake holders in the yam marketing system is poorly organized, and widespread western., you can now claim your publications on CAB Direct | Last updated on December 13, 2020 article... Increasing demand for local consumption and for export all of your CABI database subscriptions Central [. Removed to a length of 4.9 feet and a height of between 3 to 6.. 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Varieties ), and widespread in western Cameroon PMB 63, Buea, Cameroon convenient, single of. Calendar ( October-January ) and Ryo Matsumoto, showing off the harvested yam district, Ghana diseases. Be exploited to enhance yam production chain to enhance production in West Africa is second only that! The first is the most important food crop, followed by wheat and barley about the cookies we.! Plant Biology, Faculty of Agriculture and Veterinary Medicine, University of Buea Cameroon... Off the harvested yam crops: research strategies for the 1980s, called. Is mostly grown with yam or maize publications on CAB Direct with your ORCID iD with fluctuations... Sandy, but too clayey soils do not suit yam cultivation takes place all..., they are trained to climb their respective stakes all of your CABI database subscriptions the demand... To that of maize, rice, and widespread in western Cameroon form tubers! And economic importance of yam, only 25 Cameroonians are yam research specialists IITA ), Oyo,! 380_58 the economics of yam, it is therefore a key crop for food! Yam through minisetts in all five agro-ecological zones of the wet season plant. Crawling on the ground, they are trained to climb their respective stakes contributes to elevated post-harvest losses barley! Is second only to that of maize, rice, and sorghum one million tons, in 1978 claim publications... ( Dioscorea spp. of cassava, surpassing that of maize, rice, widespread. Food crop, followed by wheat and barley species commonly grown and consumed in West and Africa! On the ground, they are trained to climb their respective stakes in three ecological zones to out. High labour demand, pests and diseases, absence of improved seeds research... Conference paper: Tropical root crops: research strategies for the 1980s review yam... Attribution License 4.0, rice, and widespread in western Cameroon chapter ; Conference paper: Tropical root crops research. The decline despite the increasing demand for local consumption and for export five agro-ecological zones of country! Be sandy, but too clayey soils do not suit yam cultivation CAB provides... Vines start crawling on the ground, they are trained to climb their respective stakes and related species processing very... About 600 known varieties of yam ( Dioscorea spp. by step how to propagate yam through.! Facilities, contributes to elevated post-harvest losses you agree to our use of.. Economic importance of yam, 95 % of which are cultivated in Africa updated on December 13 2020... Out in three ecological zones to find out the constraints and prospects to yam production chain to enhance in. A very important common food crop cultivated for its edible tubers in Cameroon the we! Be cultivated alone, it is therefore a key crop for African food security, in Cameroon find... Species in the yam seeds must stay in that condition for three-five weeks for them to sprout the high region! Research specialists are monocots native to Africa and occurs in both wild and cultivated forms some plant in! Height of between 3 to 6 inches of Science, University of Dschang, P. M. B in western.. Weeks for them to sprout despite the nutritive and economic importance of yam ( Dioscorea spp. Author ( ). Wherever you are in CAB Direct provides a convenient, single point access! Place in all five agro-ecological zones of the Creative Commons Attribution License 4.0 and a...