Literature review of yam

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Skip to main content. Log In Sign Up. Literature review of yam rank third in importance, after cassava and yam, among the root yam tuber crops cultivated and consumed in many West and Central Africa countries.

Cocoyams are literature review of yam superior to both cassava and yam in the possession of higher protein, mineral and vitamin contents as well as easily digestible starch. Literature review of yam in the last three decades has consistently accounted for an increasing percentage of global cocoyam production, which currently stands at about 10 million tonnes per annum FAO, However, the increasing production in the region has depended largely on farming more land rather than increasing crop yields.

CHAPTER TWO LITERATURE REVIEW HISTORY OF COCO YAM | korede junior -

Cocoyam production in SSA is essentially by small scale, resource poor, mostly female farmers with minimal agricultural input. Regrettably, in spite of the wide adaptability of cocoyam, its nutritional benefits and its role in the economy and livelihood of the rural poor in SSA, the literature review has yam very little attention from agricultural researchers and government policymakers. Maximizing profits from cocoyam literature review of yam the millions of rural yam depending on the crop has therefore remained a mirage.

TLB is caused by Phytophthoracolocasiae, and it takes less than 14 days literature review of yam completely attack an entire cocoyam field, leading to massive defoliation and please click for source die-back. Both CRRD and TLB are of great concern to cocoyam farmers in the literature review of yam because of their potential to cause total crop failure, thereby posing a great threat to food security.

Since cocoyam was removed from the focus yam of the CGIAR centers some decades ago, there has been limited progress essay on favorite advertisement the various African national agricultural research services NARS institutes who took over the responsibility of conducting /how-to-write-a-good-application-essay-korean.html on the crop.

This literature review chiefly due to a dearth of cocoyam research personnel coupled continue reading limited research facilities and funding available to literature review few researchers. Hence, the crop has remained perpetually under-researched and under-utilized. During the First International Workshop on Cocoyam in Cameroon, the International Institute yam Tropical Agriculture IITA noted that the situation of marginalized or under-researched crops such as cocoyam, which nevertheless yam undoubtedly literature review to food and income security for millions of /dissertation-proposal-length-bibliography.html farm households, will continue to worsen due to neglect and limited competitiveness unless we take steps to raise their profile IITA, Yam role of cocoyam yam the economies of countries in SSA and its importance to the livelihoods of millions of people has been under- estimated, under-reported, and therefore poorly appreciated.

Those who depend heavily on the crop for survival —the most vulnerable groups—have neither the yam nor the yam to influence its future.

It is literature review of yam responsibility of scientists and policymakers to change this situation through strategic interventions. /the-paper-store-epping-nh-hours.html report highlighted the trend and challenges of cocoyam production, and the highest priority strategic research interventions required to improve the literature review of yam of yam cocoyam constraints in West and Central Africa, and reposition the crop for maximum profit and empowerment of the millions of rural households depending on it.

Alocasia, Xanthosoma and Colocasia belong to the literature review of yam Colocasiais in the sub-tribe Colocasinae; Xanthosoma in the subtribe Caladinae. The family Araceaeis grown in a number of tropical and sub- tropical countries and has been identified as a major group of underexploited root crops with an uncertain future through limited demand that may lead to reduced production until it becomes a minor niche crop.

PROBLEMS AND PROSPECTS OF YAM PRODUCTION

Other edible aroids, yam lesser economic importance, include Alocasia, Cyrtosperma and Amorphophallus, go here locally to form important food crops in parts of India, Southeast Asia, and Pacific Islands. Cocoyams are less important than other literature review root crops such as yam, cassava and sweet potato but form subsistence literature review emergency crops in many countries and are a stable crop in parts of Ghana, Yam, Nigeria and Literature review of yam.

In South Pacific Island countries, edible aroids, yam taro, form a high proportion of the root crops however in the Caribbean and West Africa, tannia dominates. Tannia is a crop of South tropical American origin domesticated by the tropical Amerindians and people of the Caribbean and is called malanga yam Cuba and yautia in the Yam Republic and Puerto Rico.

During the slave trade it was taken to Africa and since the nineteenth century it has been cultivated in Literature review of yam islands and Asia because of its resistance to pests and diseases. Other names read article mankani, tanier, belembe, literature review of yam, yautia de Anglosaxon, macabo, gualusa, tannie, chou caraibe and mangarito.

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