FARMERS’ PERCEPTION ABOUT QUALITY OF PLANTED SEED YAM AND THEIR PREFERENCES FOR CERTIFIED SEED YAM IN GHANA by Paul Boadu, Robert Aidoo, Kwasi Ohene-Yankyera, Ulrich Kleih, Tahirou Abdoulaye, Norbert Maroya, John Orchard, Stephen Bekoe

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Evaluation de pratiques culturales relatives à la production de semenceaux et tubercules d'igname (Dioscorea rotundata) au Bénin by Kossou, DK.

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Seed Yam Production Using High-Quality Minitubers Derived from Plants Established with Vine Cuttings by Beatrice Aighewi, Norbert Maroya, P. Lava Kumar, Morufat Balogun, Daniel Aihebhoria, Djana Mignouna, Robert Asiedu

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Accumulation of yam viruses in different parts of white yam and the practice of positive selection technique in seed yam production by Atta Kwesi Aidoo, Richard Tuyee Awuah, Joseph Nee Lamptey, Marian Dorcas Quain, Allen Oppong, Ruth Naa Ashiokai Prempeh, Jakpasu Victor Kofi Afun, Esther Agyemang Marfo, Linda Appianimaa Abrokwah

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COMPLIANCE INDEX ANALYSIS AND TOTAL FACTOR PRODUCTIVITY OF SEED YAM PRODUCTION TECHNOLOGIES IN NORTH-CENTRAL NIGERIA by Morolake Bolaji, Raphael Olarewaju Babatunde, Olubunmi Abayomi Omotesho, Sunday Onwuaroh

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