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The development of hybrids with enhanced expression of heterosis depends on the genetic background of the source population and the effectiveness of a breeding scheme used to identify and use divergent inbred lines with good combining ability. The present study was conducted to examine the potent...


Menkir, A.Kling, J.G.Anjorin, B.Ladejobi, F.Gedil, M.[Evaluating testcross performance and genetic divergence of lines derived from reciprocal tropical maize composites]Evaluating testcross performance and genetic divergence of lines derived from reciprocal tropical maize composites

Simulation models have the potential of greatly enhancing decision-making by farmers and researchers in Nigeria. These models however, need to be adapted before use. This study was conducted to test the phenology module of CERES-Maize model version 3.5 under varying N rates as a step toward adapt...


Gungula, D.T.Kling, J.Togun, A.[CERES-maize predictions of maize phenology under nitrogenstressed conditions in Nigeria]CERES-maize predictions of maize phenology under nitrogenstressed conditions in Nigeria

Heerwaarden, Joost vanOrtega Del Vecchyo, D.Álvarez Buylla, E.R.Bellon, M.[New genes in traditional seed systems: diffusion, detectability and persistence of transgenes in a maize metapopulation.]New genes in traditional seed systems: diffusion, detectability and persistence of transgenes in a maize metapopulation.

Before farmers can benefit from new improved maize varieties with novel genetic information, new maize varieties have to undergo performance testing, registration and approval. The registration procedures require that new maize varieties must pass the tests for value for cultivation and use (VCU)...


Setimela, P.S.Badu-Apraku, B.Mwangi, W.[Impediments to new improved maize variety testing and release in selected countries in sub-Saharan Africa]Impediments to new improved maize variety testing and release in selected countries in sub-Saharan Africa

A translog stochastic production fronter was used to analyse the technical efficiency of small farmers using improved maize production technology in Western Ethiopia. The study estimated a mean technical efficiency for the entire sample of 76%, indicating that a significant potential for gains fr...


Alene, A.Hassan, R.M.[Determinants of farmlevel technical efficiency among adopters of improved maize production technology in Western Ethiopia]Determinants of farmlevel technical efficiency among adopters of improved maize production technology in Western Ethiopia

Smallholder farmers in the Guinea savanna practise cereal-legume intercropping to mitigate risks of crop failure in mono-cropping. The productivity of cereal-legume intercrops could be influenced by the spatial arrangement of the intercrops and the soil fertility status. Knowledge on the effect o...


Kermah, M.Franke, A.C.Adjei-Nsiah, SamuelAhiabor, B.D.K.Abaidoo, R.C.Giller, Ken E.[Maize-grain legume intercropping for enhanced resource use efficiency and crop productivity in the Guinea savanna of northern Ghana]Maize-grain legume intercropping for enhanced resource use efficiency and crop productivity in the Guinea savanna of northern Ghana

Maize pests feeding on grains can transmit with their movement fungi harmful to human and animal health. The aim of the present work was to study the immigration and the dynamics of storage pests in traditional African maize granaries and the fungal spectrum associated with these insects. Treatme...


Lamboni, Y.Hell, K.[Propagation of mycotoxigenic fungi in maize stores by postharvest insects]Propagation of mycotoxigenic fungi in maize stores by postharvest insects

Three gregarious, endoparasitic braconids, a Kenyan strain of Cotesia sesamiae, and the exotic Cotesia flavipes and Cotesia chilonis were imported into Benin as candidates for biological control of stem- and cob borers of maize and stemborers of millet. Host acceptability and host suitability of ...


Hailemichael, Y.Schulthess, F.Smith, Jimmy W.Overholt, W.A.[Physiological suitability of six West African gramineous borers (Lepidoptera: Noctuidae, Pyralidae) for development of Cotesia species complex (Hymenoptera: Braconidae)]Physiological suitability of six West African gramineous borers (Lepidoptera: Noctuidae, Pyralidae) for development of Cotesia species complex (Hymenoptera: Braconidae)

Appropriate testers are needed as well as information on heterotic patterns of tropical lowland early-maturing germplasm. Diallel crosses involving nine tropical early maturing maize (Zea mays L.) inbreds were evaluated at five locations in Nigeria from 2007 to 2009 under drought stress, when Str...


Badu-Apraku, B.Fontem, Lum. A.Akinwale, R.Oyekunle, M.[Biplot analysis of diallel crosses of early maturing tropical yellow maize inbreds in stress and nonstress environments]Biplot analysis of diallel crosses of early maturing tropical yellow maize inbreds in stress and nonstress environments
Pérez, J.C.León, Carlos deNarro León, Luis AlbertoSalazar Villareal, Fredy AntonioArias, María del Pilar[Desarrollo de germoplasma de maíz para suelos ácidos: Programa suramericano de maíz CIMMYT]Desarrollo de germoplasma de maíz para suelos ácidos: Programa suramericano de maíz CIMMYT

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