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Ortiz, R.Austin, P.D.Vuylsteke, D.R.[IITA High Rainfall Station: twenty years of research for sustainable agriculture in the West African humid forest]IITA High Rainfall Station: twenty years of research for sustainable agriculture in the West African humid forest
Ortiz, R.Vries, J. deToenniessen, G.[Securing the harvest: biotechnology, breeding, and seed systems for African crops]Securing the harvest: biotechnology, breeding, and seed systems for African crops

Success of seed development following sexual crosses is primarily dependent on proper endosperm function and development. The failure to produce triploids, or “triploid block” in 4x×2x crosses served as the impetus for numerous studies of embryo and endosperm to attempt to explain cross failure. ...


Ehlenfeldt, M.K.Ortiz, R.[Evidence on the nature and origins of endosperm dosage requirements in Solanum and other angiosperm genera]Evidence on the nature and origins of endosperm dosage requirements in Solanum and other angiosperm genera

Sustainable resource management is the critical agricultural research and development challenge in sub-Saharan Africa. The accumulated knowledge on soil management gathered over the last 10 years, combined with solid crop improvement and plant health research at farmers’ level, has brought us to ...


Sanginga, N.Dashiell, Kenton E.Diels, J.Vanlauwe, BernardLyasse, O.Carsky, R.J.Tarawali, S.Asafo-Adjei, B.Menkir, A.Schulz, S.Singh, B.B.Chikoye, D.Keatinge, D.Ortiz, R.[Sustainable resource management coupled to resilient germplasm to provide new intensive cerealgrainlegumelivestock systems in the dry savanna]Sustainable resource management coupled to resilient germplasm to provide new intensive cerealgrainlegumelivestock systems in the dry savanna

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