Yam traditional pacific island crops research guides. Root and tuber crops cassava, yam, potato and sweet potato. Fao this publication addresses storage and processing issues of the principal root and tuber crops of the tropics. According to ifpris projections for 2020, demand for root and tuber crops will increase by 55 percent in the developing world, with greatest increases in subsaharan africa and asia. A live potato tuber or seed must be planted but only part of the live yam tuber and a piece of the stalk not the root in the case of cassava. Compendium of sweetpotato diseases, pests, and disorders.
Background root and tuber crops, including yam, cassava, potato and sweet potato are the most important food crops for direct human consumption in africa. The important tropical tuber crops are cassava, sweet potato, yams, aroids and a few minor tuber crops. Lebot most of the worlds poorest smallholders depend on tropical roots and tubers crops. The root and tuber crops, including cassava, sweet potato, yams, and aroids, enjoy considerable importance as a vegetable, staple food, or raw material for small. With the advent of agriculture, cultivated root and tuber crops became increasingly. Historically the market price of these crops is two to four times the price of potato. Roots and tubers were critical components in the diet during the early evolution of mankind 5 million years ago. Description this book 28 chapters, which is the 17th volume in the crop production science in horticulture series 18 volumes that focus on scientific principles underlying production practices for economically important horticultural crops from major production systems in temperate, subtropical and tropical climatic areas, summarizes the available information regarding the origin, taxonomy. These species produce large quantities of dietary energy and have stable yields under difficult environmental conditions. Tropical root and tuber crops are consumed as staples in parts of the tropics and should be. The tropical root and tuber crops aroids, cassava, sweet potato and yams represent major contributions to food security in the pacific islands countries pics but are also cash crops for local and export markets. Tropical root and tuber crops encyclopedia of life.
This book provides a detailed account of the major tropical tuber crops which form a substantial part of the staple diet of people living in the tropics. Cassava, sweet potato, yams, aroids most of the worlds poorest smallholders depend on tropical roots and tubers. They are widely grown and consumed as subsistence staples in many parts of africa, latin america, the pacific islands and asia. The focus was cassava, yams, cocoyams, and sweet potatoes, from the perspectives of. Fao distinguishes among seven primary root and tuber crops. Conventional breeding is complex as the flowering ability of cultivars is erratic. Lebot article pdf available in economic botany 641. Examples include potato, sweet potato, cassava, yams and aroids. Aroids, cassava, sweet potato, root crops, tubers, yams. This book compiles the most up to date information on the origin, genetics, physiology, agronomy, pests and diseases and post harvest processing of these crops, while. India holds a rich genetic diversity of tropical root and tuber crops viz.
Cassava, sweet potato, yams and aroids crop enter your mobile number or email address below and well send you a link to download the free kindle app. Traditional and more recent production methods are discussed and analysed. Lebot find, read and cite all the research you need on. Crop production science in horticulture, 17 isbn 9781845934248. Cassava, sweet potato, yams and aroids ebook written by vincent lebot. The most important crops are cassava, sweet potato, yam and the aroids, sharing important common traits such as bulkiness, postharvest perishability and vegetative propagation. Tropical root and tuber crops cassava, sweet potato, yams and. Lebot most of the worlds poorest smallholders depend on tropical roots and tubers crops as their principal source of food and nutrition. Then you can start reading kindle books on your smartphone, tablet, or computer no kindle device required. It covers factors affecting storability, principles of. The tropical root and tuber crops aroids, cassava, sweet potato and yams represent major contributions to food security in the pacific islands countries pics. Good agricultural practices in tropical root and tuber crops. They are major sources of energy in developing countries with fast population growth and high urbanization rates.
Description this second edition aims to summarize the information available on the origin, taxonomy, breeding, physiology, agronomy, pathology and processing of cassava, sweet potato, yams and aroids including alocasia, amorphophallus, colocasia, cyrtosperma and xanthosoma. Cassava, useful tips such as this one are provided to help sweet potato, yams and aroids. These four crops are grown in varied agroecologies and production systems contributing to more than 240 million tons annually, covering around 23 million hectares. Tropical root and tuber crops by vincent lebot book read online. Geographic distribution and abundance of the afrotropical. The principal root and tuber crops of the tropics are cassava manihot esculenta crantz, yam dioscorea spp. Comportment studies with sweet potatoes in the highland zone of. Cabi, 432 p crop production science in horticulture, 17. They are the staple food for hundreds of millions of poor people.
Many tropical tuber crops are used in the preparation of stimulants, tonics, carminatives and expectorants. These four crops are grown in varied agroecologies and production systems contributing to more than 240 million. Root and tuber crops, including cassava, sweet potato, potato and yam are the most important food crops for direct human consumption in africa. Tropical root and tubers, including cassava, sweet potato, yams, and aroids, have been reported to show an increase in respiratory activity after harvest and injury and subsequent storage in association with their deterioration. In this lecture we will discuss the most widely grown tropical root and tuber crops cassava, sweetpotato, and yams.
Those parts of the world where tropical tuber crops are important in diet, are precisily. Zaharah plants that produce tubers use the tubers as storage organs, mainly for storing starch. Tropical root and tuber crops 17 crop production science. Download free sample and get upto 30% off on mrprental. Tropical roots and tuber crops cassava, sweet potato, yams. Cassava, sweet potato, yams and aroids crop production science in horticulture by vincent lebot isbn. Production potentials of major tropical root and tuber crops e. Kawa and others published tropical root and tuber crops. Soilconserving techniques in cassava and yam production p. Download for offline reading, highlight, bookmark or take notes while you read tropical root and tuber crops. The continued purchase of cassava, cocoyam, whitefleshed sweet potato, and yam by the offspring of immigrants will in part depend on economics. Cassava, sweet potato, yams, aroids most of the worlds poorest smallholders depend on tropical roots and tubers crops as their principal source of.
Tropical root and tuber crops cassava, sweet potato, yams. Tropical tuber roots like the sweet potato, yam and cassava are often eaten as root vegetables but the tuber leaves are just as, if not, even more nutritious, and are never left to waste. Download tropical root and tuber crops by r c mandal pdf. Description this book 28 chapters, which is the 17th volume in the crop production science in horticulture series. Cassava, sweet potato, aroids, yams and several minor tuber crops. The most important ones in malaysia are the white potato, the sweetpotato, cassava and cocoyam. This book provides a detailed account of the major tropical tuber crops which form a substantial part of the staple diet of people living in the tropics tropics subject category. This second edition of tropical root and tuber crops is an authoritative treatment of four important root and tuber crops. The annual world production of root and tuber crops is about 765 million tones mt consisting of potatoes 333mt, cassava 237mt, sweet potatoes mt, yams 53mt, and taro and other aroids 12mt. The global consumption of tropical root and tuber crops is about 365kgcapitayear. Origin and history, taxonomy and botany, breeding and genetics, developmental physiology, agronomy, pests and diseases, postharvest. The tropical root and tuber crops cassava, sweet potato, yams and aroids are of utmost importance for the world food security. Cassava, sweet potato, yams and aroids crop production science in horticulture by v lebot 20081212. Moreover these commodities have significant nutritional properties that make them attractive substitutes to imported grains and cereals.
Tropical root and tuber crops breeding in the pacific. Production data of root crops should be reported in terms of clean weight, i. This book compiles the most up to date information on the origin, genetics, physiology, agronomy, pests and diseases and post harvest processing of these crops, while attempting to provide ideas for further research and development. Buy tropical root and tuber crops by r c mandal pdf online.
They are widely grown and consumed as subsistence staples in many parts of. The activities include encouragement of training and extension, organization of workshops and. The tropical root and tuber crops, such as cassava, sweet potato, yams and aroids, produce underground organs rich in major constituents, such as starch, sugars, and cellulose, and secondary metabolites, such as carotenoids, and vitamins. Everyday low prices and free delivery on eligible orders. This book 28 chapters, which is the 17th volume in the crop production science in horticulture series 18 volumes that focus on scientific. The tuber crops are rich in dietary fibre and carotenoids viz. Cassava, sweet potato, yams and aroids crop production science in horticulture by v lebot 20081212 on.
Root and tuber crops download ebook pdf, epub, tuebl, mobi. Pdf tropical root and tuber crops by vincent lebot book. The international society for tropical root crops africa branch was created in 1978 to stimulate research, production. Most of the worlds poorest smallholders depend on tropical roots and tubers crops as their principal source of food and nutrition. Download pdf rootandtubercrops free online new books. Tropical root and tuber crops encyclopedia of life support systems. There is a wide difference between potential yield and actual yield of tuber crops obtained in farmers fields which may be due to genetic as well as soil and environmental factors.
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