Genebank manuals Cassava in vitro processing and genebanking Yam in vitro genebanking Seed processing for IITA genebank Yam regeneration guidelines Cowpea regeneration guidelines Manual for Collection of Cassava Germplasm and Associated Farmer Knowledge in Eastern and Southern Africa Other genebank documents Descriptors for African yam bean, Sphenostylis stenocarpa (Hochst ex. A. Rich.) Harms St andard Operation Procedures (SOP) for IITA in vitro genebank St andard Operation Procedures (SOP) for IITA Seedbank St andard Operation Procedures for IITA Fieldbank