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]
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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]
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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.
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Akoroda, M.O.
,
Mwangi, M.
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Bandyopadhyay, Ranajit
,
[Root rot resistance in new cassava varieties introduced to farmers in Nigeria]
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Root rot resistance in new cassava varieties introduced to farmers in 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.
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Odunola, O.
,
Dixon, A.
,
Akoroda, M.O.
,
Kulakow, P.A.
,
[Genetic variation of postharvest physiological deterioration susceptibility in a cassava germplasm]
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Genetic variation of postharvest physiological deterioration susceptibility in a cassava germplasm
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, B
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Akoroda, M.O.
,
Okogbenin, Emmanuel
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Egesi, Chiedozie N.
,
Kahya, SS
,
Onyegbule, O
,
Ewa, 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)]
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Bulked segregant analysis identifies molecular markers associated with early bulking in cassava (Manihot esculenta Crantz)