A diagnostic survey was conducted in 2002 and 2003 to determine the status of cassava mosaic disease (CMD) and cassava mosaic begomoviruses in Nigeria and to ascertain if the virulent Ugandan variant of the East African cassava mosaic virus (EACMV-Ug2) is present in the country. The survey was an...
Ogbe, F.
,
Hughes, J.
,
Alabi, F.
,
Okechukwu, R.U.
,
[The status of cassava mosaic disease, cassava begomoviruses, and whitefly vector populations in Nigeria]
,
The status of cassava mosaic disease, cassava begomoviruses, and whitefly vector populations in Nigeria
Phillips, T.
,
Taylor, D.
,
Sanni, L.O.
,
Akoroda, M.O.
,
Ezedinma, C.
,
Okechukwu, R.U.
,
Dixon, A.
,
Okoro, E.
,
Tarawali, G.
,
[The Nigerian cassava industry statistical handbook]
,
The Nigerian cassava industry statistical handbook
Dixon, A.
,
Okechukwu, R.U.
,
Akoroda, M.O.
,
Ilona, P.
,
Ogbe, F.
,
Mkumbira, J.
,
Ssemakula, G.N.
,
Sanni, L.O.
,
Lemchi, J.
,
Okoro, E.
,
Ezedinma, C.
,
Patino, M.
,
Tarawali, G.
,
Maziya-Dixon, B.B.
,
Geteloma, C.
,
[TMS 98/0505: new cassava variety series]
,
TMS 98/0505: new cassava variety series
Dixon, A.
,
Okechukwu, R.U.
,
Akoroda, M.O.
,
Ilona, P.
,
Ogbe, F.
,
Mkumbira, J.
,
Ssemakula, G.N.
,
Sanni, L.O.
,
Lemchi, J.
,
Okoro, E.
,
Ezedinma, C.
,
Patino, M.
,
Tarawali, G.
,
Maziya-Dixon, B.B.
,
Geteloma, C.
,
[TMS 97/2205: new cassava variety series]
,
TMS 97/2205: new cassava variety series
Okechukwu, R.U.
,
Sanni, L.O.
,
Ezedinma, C.
,
Patino, M.
,
Adetunji, M.
,
Dixon, A.
,
[Cassava: the multipurpose crop]
,
Cassava: the multipurpose crop
Seed transmission of Xanthomonas campestris pv. vignicola was investigated to ascertain the importance of seed as a primary source of inoculum for bacterial blight disease in cowpea. The study was carried out using seeds of five cowpea varieties (TVx 12349, IT86D-721, IT82D-889, Ife Brown and TVx...
Eleven improved varieties project were multiplied in 2009 by primary producers associated with the USAID/ IITA project Unleashing the Power of Cassava in Africa in response to the Food Price Crisis (UPoCA) in seven States of Nigeria. In 2010, stems from these multiplication farms were distributed...
Okechukwu, R.U.
,
Kehinde, I.A.
,
Afolabi, C.
,
James, B.
,
Egesi, Chiedozie N.
,
[Distribution of improved varieties of cassava and potential impact on root yield and disease reduction in Nigeria]
,
Distribution of improved varieties of cassava and potential impact on root yield and disease reduction in Nigeria
Field and laboratory experiments were conducted in the Sudan savanna site of IITA's experimental Station, Minjibir, Kano State, to study the survival of Xanthomonas campestris pv. vignicola in infested soil, cowpea seed, and debris. The experiment was conducted in a randomised complete block desi...
Okechukwu, R.U.
,
Ekpo, E.
,
[Survival of Xanthomonas campestris pv. vignicola in infested soil, cowpea seed and cowpea debris]
,
Survival of Xanthomonas campestris pv. vignicola in infested soil, cowpea seed and cowpea debris
A diagnostic survey was conducted in 2002-03 to determine the status of cassava mosaic begomoviruses in Nigeria and to ascertain if the virulent Ugandan variant of East African cassava mosaic virus (EACMV-Ug2) was present. Of the 418 farms visited, 48% had cassava with moderately severe or severe...
Ogbe, F.
,
Dixon, Alfred G.O.
,
Hughes, J.D.
,
Alabi, O.J.
,
Okechukwu, R.U.
,
[Status of cassava begomoviruses and their new natural hosts in Nigeria]
,
Status of cassava begomoviruses and their new natural hosts in Nigeria
Sanni, L.O.
,
Maziya-Dixon, B.B.
,
Okoruwa, A.
,
Arowosafe, B.E.
,
Lemchi, J.
,
Ogbe, F.
,
Ezedinma, C.
,
Okechukwu, R.U.
,
Akoroda, M.O.
,
Okoro, E.
,
Ilona, P.
,
Babaleye, T.
,
Dixon, A.
,
[Cassava utilization training for bakers, caterers, and processors in the southsouth and southeast of Nigeria]
,
Cassava utilization training for bakers, caterers, and processors in the southsouth and southeast of Nigeria