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Dioscorea alata L. is a highly important crop, widely distributed in the humid and semi-humid tropics. Flow cytometry was used to determine the ploidy levels of 74 D. alata genotypes collected mainly from West African countries. Sixty three of the genotypes were found to be tetraploid, one was he...


Obidiegwu, J.E.Rodríguez, E.Ene-Obong, E.E.Loureiro, J.Muoneke, C.Santos, C.Kolesnikova-Allen, M.Asiedu, Robert[Ploidy levels of Dioscorea alata L. germplasm determined by flow cytometry]Ploidy levels of Dioscorea alata L. germplasm determined by flow cytometry

As part of a participatory selection programme, promising individual trees were selected in 2004 in cocoa farms of southern and western Cameroon regions for yield and for low incidence of Phytophthora pod rot (Ppr) caused by Phytophthora megakarya. The aim of this study was to compare the levels ...


Efombagn, M.I.B.Nyassé, S.Sounigo, O.Kolesnikova-Allen, M.Eskes, A.B.[Participatory cocoa (Theobroma cacao) selection in Cameroon: Phytophthora pod rot resistant accessions identified in farmers fields]Participatory cocoa (Theobroma cacao) selection in Cameroon: Phytophthora pod rot resistant accessions identified in farmers fields

The Guinea yams, Dioscorea cayenensis Lam. and D. rotundata Poir. (D. cayenensis–D. rotundata complex), represent a highly importantcrop, widely distributed in the humid and semi-humidtropics. The ploidy levels of 170 accessions of the core set of Guinea yams from West African coun...


Obidiegwu, J.E.Loureiro, J.Ene-Obong, E.E.Rodríguez, E.Kolesnikova-Allen, M.Santos, C.Muoneke, C.Asiedu, Robert[Ploidy level studies on the Dioscorea cayenensis/Dioscorea rotundata complex core set]Ploidy level studies on the Dioscorea cayenensis/Dioscorea rotundata complex core set

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