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Single node cuttings of two genotypes each of Dioscorea alata and D. rotundata from both plants grown in screen houses and in vitro plantlets were cultured in a tuberization medium. The screen house explants had significantly higher plantlet tuberization and primary nodal complex formation, and m...


Balogun, M.O.Ng, S.Y.Shiwachi, H.Ng, N.Q.Fawole, I.[Comparative effects of explant source and genotype on in vitro tuberization in Dioscorea alata and D. rotundata]Comparative effects of explant source and genotype on in vitro tuberization in Dioscorea alata and D. rotundata

The genus Vigna comprises seven subgenera and sixteen sections. Cowpea, Vigna tingnicnlatti (L.) Walp.. is an important grain legume crop in sub-Saharan Africa and belongs to the subgenus Vigna. section Ctitiang. Morphologically, cowpea genotypes appear very variable. However, a high level of gen...


Fatokun, C.A.Perrino, P.Ng, N.Q.[Wide crossing in African Vigna species]Wide crossing in African Vigna species

The genetics of resistance to rice yellow mottle sobemovirus (RYMV) in O. glaberrima was studied in a 6 parent full diallel cross involving 4 resistant and 2 susceptible genotypes. F1 hybrids resulting from crosses between resistant and susceptible genotypes were susceptible. Susceptibility was c...


Paul, C.Ng, N.Q.Ladeinde, T.A.[Diallel analysis of resistance to rice yellow mottle virus in African rice Oryza glabelrrima Steud]Diallel analysis of resistance to rice yellow mottle virus in African rice Oryza glabelrrima Steud

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