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Journal Article 2003-03

Autor: Ogbe, F.O. Thottappilly, G. Dixon, Alfred G.O. Atiri, G.I. Mignouna, H.D.

In a survey for cassava mosaic begomoviruses conducted in 1997 and 1998 in Nigeria, East African cassava mosaic virus (EACMV) was detected by the polymerase chain reaction together with African cassava mosaic virus (ACMV) in 27 out of 290 cassava leaf samples of infected plants from 254 farmers' ...

Enlace original: https://cgspace.cgiar.org/handle/10568/96370

Investigación en Agricultura
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Ogbe, F.O. ,  Thottappilly, G. ,  Dixon, Alfred G.O. ,  Atiri, G.I. ,  Mignouna, H.D. ,  [Variants of East African cassava mosaic virus and its distribution in double infections with African cassava mosaic virus in Nigeria] ,  Variants of East African cassava mosaic virus and its distribution in double infections with African cassava mosaic virus in Nigeria
Journal Article 1998

Autor: Akano, A.O. Ng, S.Y.C. Dixon, A. Thottappilly, G.

In a study to map out the genes confering resistanceto African cassava msaic disease (ACMD), a cost-effective protocol for zygotic embryo culture developed at the International Institute of Tropical Agriculture(IITA) using 1/2 strenght Murashige and Skoog's basal media, was employed to germinatet...

Enlace original: https://cgspace.cgiar.org/handle/10568/95954

Investigación en Agricultura
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Akano, A.O. ,  Ng, S.Y.C. ,  Dixon, A. ,  Thottappilly, G. ,  [Application of embryo culture in germinating African cassava mosaic disease resistant gene mapping population] ,  Application of embryo culture in germinating African cassava mosaic disease resistant gene mapping population
Journal Article 1994

Autor: Thottappilly, G. Ng, N.Q. Rossel, H.W.
Enlace original: https://cgspace.cgiar.org/handle/10568/101785

Investigación en Agricultura
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Thottappilly, G. ,  Ng, N.Q. ,  Rossel, H.W. ,  [Screening germplasm of Vigna vexillata for resistance to cowpea mottle virus] ,  Screening germplasm of Vigna vexillata for resistance to cowpea mottle virus
Journal Article 1990

Autor: Gumedzoe, M.Y. Sunu, D.Y. Thottappilly, G. Asselin, A.

Deux virus du niébé (Vigna unguiculata), le virus de la marbrure du niébé et le virus de la mosaïque jaune du niébé, ont été étudiés. Les deux virus ont été identifiés et caractérisés à l'aide de la gamme de plantes indicatrices et de méthodes sérologiques. Les deux virus sont très répandus dans ...

Enlace original: https://cgspace.cgiar.org/handle/10568/101853

Investigación en Agricultura
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Gumedzoe, M.Y. ,  Sunu, D.Y. ,  Thottappilly, G. ,  Asselin, A. ,  [Importance du virus de la marbure du niebe et du virus de la mosaique jaune du niebe au Togo] ,  Importance du virus de la marbure du niebe et du virus de la mosaique jaune du niebe au Togo
Journal Article 2003-02

Autor: Ogbe, F. Atiri, G. Dixon, Alfred G.O. Thottappilly, G.

The concentration of African cassava mosaic virus (ACMV) was assessed by enzyme-linked immunosorbent assay in relation to symptom severity among resistant, moderately resistant and susceptible cassava genotypes. Resistant genotype NR 8083 had significantly lower symptom severity scores (P < 0·05)...

Enlace original: https://cgspace.cgiar.org/handle/10568/96322

Investigación en Agricultura
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Ogbe, F. ,  Atiri, G. ,  Dixon, Alfred G.O. ,  Thottappilly, G. ,  [Symtom severity of cassava mosaic disease in relation to concentration of African cassava mosaic virus in different cassava genotypes] ,  Symtom severity of cassava mosaic disease in relation to concentration of African cassava mosaic virus in different cassava genotypes
Journal Article 2002

Autor: Njukeng, A.P. Ariri, G.I. Hughes, Jacqueline d'Arros Agindoran, B.O. Mignouna, H.D. Thottappilly, G.

A Nigerian isolate of Yam mosaic virus (YMV), genus Potyvirus from Dioscorea rotundata leaves was used to mechanically inoculate Nicotiana benthamiana (propagation host) plants from which the virus was purified. A hybridoma cell line secreting a monoclonal antibody (Mab) against YMV was produced ...

Enlace original: https://cgspace.cgiar.org/handle/10568/103631

Investigación en Agricultura
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Njukeng, A.P. ,  Ariri, G.I. ,  Hughes, Jacqueline d'Arros ,  Agindoran, B.O. ,  Mignouna, H.D. ,  Thottappilly, G. ,  [A sensitive TAS-ELISA for the detection of some West African isolates of yam mosaic virus in Dioscorea spp.] ,  A sensitive TAS-ELISA for the detection of some West African isolates of yam mosaic virus in Dioscorea spp.
Journal Article 2005

Autor: Mignouna, H. Abang, Mathew M. Wanyera, N. Chikaleke, V. Asiedu, Robert Thottappilly, G.

Reliable characterization of the variation among wild and cultivated yams in Nigeria is essential for improved management and efficient utilization of yam genetic resources. RAPD and double stringency PCR (DS-PCR) analyses were used to investigate genetic relationships and the extent of redundanc...

Enlace original: https://cgspace.cgiar.org/handle/10568/91792

Investigación en Agricultura
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Mignouna, H. ,  Abang, Mathew M. ,  Wanyera, N. ,  Chikaleke, V. ,  Asiedu, Robert ,  Thottappilly, G. ,  [PCR markerbased analysis of wild and cultivated yams (Dioscorea spp.)in Nigeria: genetic relationships and implication for ex situ conservation] ,  PCR markerbased analysis of wild and cultivated yams (Dioscorea spp.)in Nigeria: genetic relationships and implication for ex situ conservation
Journal Article 2005

Autor: Ogundiwin, E. Thottappilly, G. Akenova, M.E. Pillay, M. Fatokun, C.A.

Vigna vexillata is a wild cross-incompatible relative of cowpea. It is highly resistant to several diseases and pests plaguing cowpea. A linkage map was developed for V. vexillata comprising 120 markers, including 70 random amplified polymorphic DNAs, 47 amplified fragment length polymorphisms, o...

Enlace original: https://cgspace.cgiar.org/handle/10568/91864

Investigación en Agricultura
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Ogundiwin, E. ,  Thottappilly, G. ,  Akenova, M.E. ,  Pillay, M. ,  Fatokun, C.A. ,  [A genetic linkage map of Vigna vexillata] ,  A genetic linkage map of Vigna vexillata
Journal Article 2003

Autor: Abdullahi, I. Atiri, G.I. Dixon, Alfred G.O. Winter, S. Thottappilly, G.

A survey was carried out in the 1996/97 and 1997/98 growing seasons on a field planted in three replicates with five clones of cassava at the International Institute of Tropical Agriculture, Ibadan, located in a transition forest, to determine the effects of cassava genotype and climate on the de...

Enlace original: https://cgspace.cgiar.org/handle/10568/97970

Investigación en Agricultura
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Abdullahi, I. ,  Atiri, G.I. ,  Dixon, Alfred G.O. ,  Winter, S. ,  Thottappilly, G. ,  [Effects of cassava genotype, climate, and the Bemisia tabaci vector population on the development of African cassava mosaic geminivirus (ACMV)] ,  Effects of cassava genotype, climate, and the Bemisia tabaci vector population on the development of African cassava mosaic geminivirus (ACMV)
Journal Article 1999

Autor: Thottappilly, G. Qiu, W.P. Batten, J.S. Hughes, J.N. Scholthof, K.B.

Maize (Zea mays) and itch grass (Rottboellia cochinchinensis) plants exhibiting a mild mosaic or mottle were collected from a farmer's field near Mokwa, Nigeria, in 1993. Icosahedral virions (approximately 28 to 30 nm) were purified from symptomatic tissue by differential centrifugation in 0.1 M ...

Enlace original: https://cgspace.cgiar.org/handle/10568/98147

Investigación en Agricultura
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Thottappilly, G. ,  Qiu, W.P. ,  Batten, J.S. ,  Hughes, J.N. ,  Scholthof, K.B. ,  [A new virus on maize in Nigeria: maize mild mottle virus] ,  A new virus on maize in Nigeria: maize mild mottle virus

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