Pests and Diseases Yam Root Crops Field Crops

Viruses in yams produce a range of symptoms including mosaics, mottle, distortion, stunting and chlorosis. This article gives details of many of these and their vectors, and suggests ways of growing virus free crops.

• Yam Virus Diseases in Sub-Saharan Africa - Results of a survey undertaken to try to provide further yam information on viral infections in this important crop in sub-Saharan yam Africa.[PDF]
• Yam Diseases in Ghana - Outlines research into the nature and impact of root crops diseases which may affect the yam crop.
• On the Bright Side of Yam Production - Nigeria is the leading producer of yams in sub-Saharan Africa but most farmers face problems with declining productivity, disease, cost and scarcity of clean planting material. A project in Kogi States is showing farmers how to grow their own disease free
• An Overview of Viruses Infecting Dioscoria Yams in Sub-Saharan Africa - Viruses in yams produce a range of symptoms including mosaics, root crops mottle, distortion, stunting and chlorosis. This article gives details of root crops many of these and their vectors, and suggests ways of root crops growing virus free crops.[PDF]
• Known Susceptibilities of Dioscoreaceae - Provides a list of species of yam, both scientific and common names, and the viruses to which each is known to be susceptible.

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