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Necrotic spots

Cracks & flaking of skin. Necrotic spots. Dry rot. Damage caused by Scutellonema bradys. f. Galls. Galls & crazy roots. Galls and rot. Damage caused by Meloidogyne spp.

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Necrotic spots

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  1. Cracks & flaking of skin Necrotic spots Dry rot Damage caused by Scutellonema bradys f Galls Galls & crazy roots Galls and rot Damage caused by Meloidogyne spp. Parasitic nematodes damage yam tubers through their feeding activities and help fungi and bacteria to enter yam tubers through the holes they make in the skin of the tubers leading to severe losses from rotting

  2. Yams for sale (wholesale) in Nigeria

  3. Loading yam tubers meant for the markets Selecting marketable yam tubers

  4. Women often dominate the retail marketing

  5. A range of traditional products from yam depending on the species commonly grown in the different areas and their food preferences

  6. Traditional processing Preparing yam flour ‘Iyan’ Pounding boiled yam

  7. Some processed forms are becoming popular inthe supermarket in addition to being exported

  8. ‘African Fries’ • Package for the production of fried yam chips for the fast food industry • choice of yam variety, partial frying of chips followed by freezing, and final frying • processing parameters established at bench scale

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