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Studies were conducted at the International Institute of Tropical Agriculture, (IITA) to study the incidence and spread of the Spiralling whitefly (SWF) (Aleurodicus dispersus) at the IITA campus in lbadan, Nigeria, and the response of some of IITA's elite cassava germplasm to infestation by this...


Asiwe, J.Dixon, A.Jackai, L.E.N.Nukenine, E.[Investigations on the spread of the spiralling whitefly (Aleurodicus dispersus, Russell) and field evaluation of elite cassava populations for genetic resistance]Investigations on the spread of the spiralling whitefly (Aleurodicus dispersus, Russell) and field evaluation of elite cassava populations for genetic resistance

The importance of cassava relative to other crops in the cropping system was almost total; cassava was present in 70% of arable fields; maize and beans or peas were each present in 13% of arable fields and all other crops were present in 4%. Cassava was produced mostly for sale, yet it was not as...


Nweke, F.Lutete, D.Dixon, A.Ugwu, B.Ajobo, O.Kalombo, N.Bukaka, B.[Cassava production and processing in the Democratic Republic of Congo: COSCA working paper, No 22]Cassava production and processing in the Democratic Republic of Congo: COSCA working paper, No 22
Mignouna, H.Dixon, A.[Genetic relationships among cassava clones with varying levels of resistance to African mosaic disease using RAPD markers]Genetic relationships among cassava clones with varying levels of resistance to African mosaic disease using RAPD markers
Mba, R.E.C.Dixon, A.[Heritability estimates for ACMD resistance for some newly developed cassava clones in Nigeria]Heritability estimates for ACMD resistance for some newly developed cassava clones in Nigeria

Cassava (Manihot esculenta Crantz) is the second most important food crop after rice, the staple in Sierra Leone; it is also the most important root and tuber crop. It is followed by sweet potato (Ipomoea batatas L.), yam (Dioscorea spp.), which forms part of the traditional farming system and ha...


Fomba, S.N.Massaquoi, F.B.Norman, P.E.Samura, A.E.Mansaray, A.Jalloh, A.Dixon, A.Anthony, N.A.Benya, M.T.Fornah, D.S.Sawi, M.K.Sartie, A.M.Onadipe, O.O.Sanni, L.O.[Current Status of Root and Tuber Crops Improvement, Production and Utilization in Sierra Leone]Current Status of Root and Tuber Crops Improvement, Production and Utilization in Sierra Leone
Okogbenin, E.Porto, M.Dixon, A.Ekanayake, I.J.[Expanding the genetic base of cassava in Africa: progress and prospects]Expanding the genetic base of cassava in Africa: progress and prospects

Nweke, F.I.Dixon, A.Asiedu, RobertFolayan, S.[Cassava varietal needs of farmers and the potential for production growth in Africa: COSCA working paper, No. 10]Cassava varietal needs of farmers and the potential for production growth in Africa: COSCA working paper, No. 10
Sanni, L.O.Wlinma, C.Okecbukwu, R.U.Lemchi, J.Ogbe, F.Akaroda, M.Okom, E.Maziya-Dixon, B.B.Ilona, P.Dixon, A.[Cassava postharvest needs assessment survey in Nigeria: synthesis report]Cassava postharvest needs assessment survey in Nigeria: synthesis report
Ezedinma, C.Udensi, U.Okechukwu, R.Ibana, S.Akoroda, M.O.Ilona, P.Ogbe, F.Sanni, L.O.Lemchi, J.Chikoye, D.Okoro, E.Dixon, A.[Cassava weeds and management in Nigeria]Cassava weeds and management in Nigeria

Several cassava genotypes were observed although there were few bred varieties. The wide diversity in the cassava landraces was a consequence of the action of the farmers in continuously abandoning and introducing cultivars into their system as they tried to select those cultivars that met their ...


Nweke, F.Kapinga, R.Dixon, A.Ugwu, B.Ajobo, O.Asadu, C.[Production prospects for cassava in Tanzania: COSCA working paper, No. 16]Production prospects for cassava in Tanzania: COSCA working paper, No. 16

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