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Intended as both an instructional and a reference tool, the volume covers the production and postharvest treatment of cassava. The first part describes production constraints including pests , diseases, weeds, soils agronomic factors, and socioeconomic considerations. In part two, plant morphology, plant physiology and plant breeding are related to yields and diseases resistance. Part three covers postharvest treatment and part four describes cassava research. A bibliography of recommended reading is included.
Yam in West Africa examines a crop that has been sidelined and ignored for too long while being central to the existence of so many and consumed worldwide. Though the crop can attract high prices, too often its producers live in penury. Nweke investigates problems of labor, technology, and agronomy in the West African yam industry in hopes of bettering the future of the yam and those who produce and eat it.
This publication includes a set of protocols and standards for the production of quality planting material of the most important vegetatively reproduced crops, namely: banana, plantain and other Musaceae, cassava, cocoyam, garlic, hausa potato, konjac, mashua, oca, potato, sweet potato, taro, ulluco and yam. Prepared by FAO, in collaboration with the International Potato Centre and a team of international experts, it follows the principles and approach of FAO's Quality Declared Seed System. Vegetatively propagated crop species contribute significantly to the agriculture and food production sectors of many developing countries and regions and to their food security. The current availability and dissemination of advanced reproduction technologies, in particular for micropropagation, have increased the scope for improvement and development of disease-free planting materials for these crops. However, in spite of their potential, they have received little attention in formal seed quality regulatory systems. Thus, these protocols and standards were developed to serve as practical and useful tools for seed producers and technicians at the community level as well as for national seed services and the agricultural research community in developing countries. Improved quality of planting materials will contribute significantly to improved agricultural production and productivity and to global food security. Book jacket.
This study of the dioscorea genus or yam, consisting of 600 species, is a synthesis of new information. In this world of famine, the yam must play a leading role in the regions it is grown. Its cultivation may even increase once the problems which this book highlights have been resolved. The text fills a critical gap, summarizing what is known about the yam; it is also significant because it asks many questions, and encourages further experimentation.
History and evolution. Resource and crop management. Crop improvement. Plant health management. Looking ahead.
"This book draws together what is currently known about the mineral nutrition of yams. Most of the information on nutrient deficiencies and toxicities has not been published elsewhere. It is intended as a useful reference for agronomists and extension personnel, and also researchers." --Website.