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Afolabi, M.S.Carey, E.E.Akoroda, M.O.[Diallel analysis of sweetpotato [Ipomoea batatus (L.) Lam] genotypes for combined beta carotene and dry matter content in southern guinea savanna, Nigeria.]Diallel analysis of sweetpotato [Ipomoea batatus (L.) Lam] genotypes for combined beta carotene and dry matter content in southern guinea savanna, Nigeria.

Cassava mosaic disease (CMD) caused by a group of begomoviruses and transmitted by whitefly vector is a serious disease in all the cassava-growing areas of Africa. Field evaluation with replication was conducted in 2003 and 2004 in three agroecologies in Nigeria to study the response of 40 cassav...


Egesi, Chiedozie N.Ogbe, F.O.Akoroda, M.O.Ilona, P.Dixon, A.[Resistance profile of improved cassava germplasm to cassava mosaic disease in Nigeria]Resistance profile of improved cassava germplasm to cassava mosaic disease in Nigeria

The identification of superior genotypes and mega-environments on the basis of multiple traits is a key objective of multi-environment trials in cassava (Manihot esculenta Crantz). The objective of this study was to examine the genetic variation and genotype 3 environment interaction (GEI) effect...


Egesi, Chiedozie N.Ilona, P.Ogbe, F.O.Akoroda, M.O.Dixon, A.[Genetic variation and genotype X environment interaction for yield and other agronomic traits in cassava in Nigeria]Genetic variation and genotype X environment interaction for yield and other agronomic traits in cassava in Nigeria

In 2004 and 2005 through field trials in over 2500 locations in several agroecological zones, 40 new cassava varieties were introduced in Nigeria. The trials were managed by scientists, extension workers and farmers. The aim in introducing these new varieties was to pre-emptively manage cassava m...


Okechukwu, R.U.Dixon, Alfred G.O.Akoroda, M.O.Mwangi, M.Bandyopadhyay, Ranajit[Root rot resistance in new cassava varieties introduced to farmers in Nigeria]Root rot resistance in new cassava varieties introduced to farmers in Nigeria

Oyebode, G.O.Parkes, E.Y.Aina, O.O.Rabbi, Ismail Y.Moshood, B.A.Afolabi, A.Iluebbey, P.O.Adetoro, N.A.Ikpan, S.A.Akoroda, M.O.Kulakow, P.A.[Performance and dry root yield stability of improved cassava (Manihot esculenta Crantz) clones evaluated in diverse agroecological zones of Nigeria]Performance and dry root yield stability of improved cassava (Manihot esculenta Crantz) clones evaluated in diverse agroecological zones of Nigeria

Postharvest physiological deterioration (PPD) is an unresolved major stress in cassava (Manihot esculenta Crantz), which constrains the crop suitability for commercial and industrial purposes. The present study sourced for PPD tolerance from different genetic resources available within a cassava ...


Moyib, K.O.Mkumbira, J.Odunola, O.Dixon, A.Akoroda, M.O.Kulakow, P.A.[Genetic variation of postharvest physiological deterioration susceptibility in a cassava germplasm]Genetic variation of postharvest physiological deterioration susceptibility in a cassava germplasm
Ogwuche, T.O.Akoroda, M.O.Oyebode, G.O.Parkes, E.Y.Iluebbey, P.O.Adetoro, N.A.Aina, O.O.Olaniyo, E.E.Owoade, D.Bakare, M.A.Ikpan, A.S.Kulakow, P.A.[Combining ability through line by tester analysis for root yield and total carotenoid concentration in biofortified cassava genotypes]Combining ability through line by tester analysis for root yield and total carotenoid concentration in biofortified cassava genotypes

Late root bulking is a major factor leading to rejection and abandoning of improved cassava genotypes in sub-Saharan Africa. Early bulking (EB) varieties shorten the growth period from planting to harvesting, better fit into environments with short rainy season, and reduce exposure to biotic and ...


Olasanmi, BAkoroda, M.O.Okogbenin, EmmanuelEgesi, Chiedozie N.Kahya, SSOnyegbule, OEwa, F.Gutiérrez, J.Ceballos, H.Tohme, Joseph M.Fregene, Martin A.[Bulked segregant analysis identifies molecular markers associated with early bulking in cassava (Manihot esculenta Crantz)]Bulked segregant analysis identifies molecular markers associated with early bulking in cassava (Manihot esculenta Crantz)

There is strong relationship between the weight of stake to be planted and it ability to emerge. Therefore, only good quality stem should be cut, partitioned into stakes, and treated for planting to optimise the limited resource of land area and other input engaged in the cassava cultivation ente...


Akoroda, M.O.Oyadiran, T.F.Yomeni, M.O.Okoro, E.Dixon, A.[Pattern of stake weight along the stem axis from its base and non emergence of planted stakes]Pattern of stake weight along the stem axis from its base and non emergence of planted stakes

A field collection of 90 sweetpotato (lpomoea batatas) accession collected. from various sources within and outside Nigeria were characterized at the llTA High Rainfall Station in Onne, Rivers State between June and August 2006. The objective of the study was to identify their distinctive charact...


Egeonu, I.Akoroda, M.O.Tarawali, G.[Characterizing 90 accessions of sweetpotato in high rainfall sites of southern Nigeria]Characterizing 90 accessions of sweetpotato in high rainfall sites of southern Nigeria

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