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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

Cassava mosaic disease (CMD) in Africa is caused by six distinct cassava mosaic viruses (family eminiviridae, genus Begomovirus). Among them, African cassava mosaic virus (ACMV) and East African cassava mosaicCameroon virus (EACMCV) have been reported in CMD-infected cassava plants in Nigeria. Ba...


Alabi, O.J.Ogbe, F.O.Bandyopadhyay, RanajitDixon, Alfred G.O.Hughes, J.Naidu, R.A.[The occurrence of African cassava mosaic virus and East African cassava mosaic Cameroon virus in natural hosts other than cassava in Nigeria]The occurrence of African cassava mosaic virus and East African cassava mosaic Cameroon virus in natural hosts other than cassava in Nigeria

A multiplex PCR was developed for simultaneous detection of African cassava mosaic virus (ACMV) and East African cassava mosaic Cameroon virus (EACMCV) in cassava affected with cassava mosaic disease (CMD). One set of three primers consisting of an upstream primer common for both viruses and two ...


Alabi, O.J.Kumar, P.L.Naidu, R.A.[Multiplex PCR for the detection of African cassava mosaic virus and East African cassava mosaic Cameroon virus in cassava]Multiplex PCR for the detection of African cassava mosaic virus and East African cassava mosaic Cameroon virus in cassava

Cassava mosaic disease (CMD) caused by African cassava mosaic virus (ACMV) and East African cassava mosaic Cameroon virus (EACMCV) is the major constraint to cassava production in Nigeria. Sequences of the DNA-A component of ACMV and EACMCV isolates from leguminous plant species (Senna occidental...


Alabi, O.J.Ogbe, F.O.Bandyopadhyay, RanajitKumar, P.L.Dixon, Alfred G.O.Hughes, Jacqueline d'ArrosNaidu, R.A.[Alternate hosts of African cassava mosaic virus and East African cassava mosaic Cameroon virus in Nigeria]Alternate hosts of African cassava mosaic virus and East African cassava mosaic Cameroon virus in Nigeria

African cassava mosaic virus (ACMV; genus Begomovirus, family Geminiviridae) is one of six viruses documented in cassava (Manihot esculenta Crantz.) plants showing cassava mosaic disease in sub-Saharan Africa (SSA). In addition to cassava, the natural host range of ACMV includes a few wild Maniho...


Mgbechi-Ezeri, J.U.Alabi, O.J.Naidu, R.A.Kumar, P.L.[First report of the occurrence of African cassava mosaic virus in a mosaic disease of soybean in Nigeria]First report of the occurrence of African cassava mosaic virus in a mosaic disease of soybean in Nigeria

Although cassava shows resilience against a myriad of pests and diseases, including several of viral aetiology, two virus disease complexes, cassava brown streak disease and cassava mosaic disease (CMD), are the major yield-limiting biotic constraints to its production in sub-Sahara Africa. Subse...


Alabi, O.J.Mulenga, R.Legg, J.P.[Cassava mosaic]Cassava mosaic

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