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Journal Article 1975

Autor: Williams, R.J. Ayanaba, A.

In six replicated field trials during a 3-year period the incidence of cowpea wet stem rot caused by Pythium aphanidermatum was significantly greater in plots treated with benzimidazole (BZ) fungicides than in plots treated with non-BZ fungicides and nontreated plots. In laboratory studies, the g...

Enlace original: https://cgspace.cgiar.org/handle/10568/80929

Investigación en Agricultura
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Williams, R.J. ,  Ayanaba, A. ,  [Increased incidence of Pythium stem rot in cowpea treated with benomyl and related fungicides] ,  Increased incidence of Pythium stem rot in cowpea treated with benomyl and related fungicides
Conference Paper 1975-03

Autor: Williams, R.J.
Enlace original: https://cgspace.cgiar.org/handle/10568/98172

Investigación en Agricultura
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Williams, R.J. ,  [A whitefly transmitted mosaic of lima bean in Nigeria: paper presented at the Fifth Annual Conference of the Nigerian Society for Plant Protection, Samaru, Nigeria, March 35, 1975] ,  A whitefly transmitted mosaic of lima bean in Nigeria: paper presented at the Fifth Annual Conference of the Nigerian Society for Plant Protection, Samaru, Nigeria, March 35, 1975
Presentation 1974

Autor: Williams, R.J.
Enlace original: https://cgspace.cgiar.org/handle/10568/97974

Investigación en Agricultura
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Williams, R.J. ,  [Comparison of varietal reactions to cowpea anthracnose in field plot and detached petiole in inoculations] ,  Comparison of varietal reactions to cowpea anthracnose in field plot and detached petiole in inoculations
Presentation 1975-03

Autor: Williams, R.J.
Enlace original: https://cgspace.cgiar.org/handle/10568/97973

Investigación en Agricultura
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Williams, R.J. ,  [Screening cowpeas for resistance to cowpea virus: paper presented at the Fifth Annual Conference of the Nigerian Society for Plant Protection, Institute of Agricultural Research, Samaru, Nigeria, March 35, 1975] ,  Screening cowpeas for resistance to cowpea virus: paper presented at the Fifth Annual Conference of the Nigerian Society for Plant Protection, Institute of Agricultural Research, Samaru, Nigeria, March 35, 1975
Poster 1975-02

Autor: Williams, R.J.
Enlace original: https://cgspace.cgiar.org/handle/10568/97966

Investigación en Agricultura
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Williams, R.J. ,  [Identification of multiple disease resistance in cowpea: abstract of papers presented at the Fourth Annual Conference of the Nigerian Society for Plant Protection, International Institute of Tropical Agriculture, Ibadan, Nigeria, February 11-13, 1974] ,  Identification of multiple disease resistance in cowpea: abstract of papers presented at the Fourth Annual Conference of the Nigerian Society for Plant Protection, International Institute of Tropical Agriculture, Ibadan, Nigeria, February 11-13, 1974
Conference Paper 1973-12

Autor: Williams, R.J.
Enlace original: https://cgspace.cgiar.org/handle/10568/98204

Investigación en Agricultura
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Williams, R.J. ,  [Report of Cassava Mosaic Workshop: Conference Conference Proceedings of Cassava Mosaic Workshop, International Institute of Tropical Agriculture, Ibadan, Nigeria, 11-12 December, 1972] ,  Report of Cassava Mosaic Workshop: Conference Conference Proceedings of Cassava Mosaic Workshop, International Institute of Tropical Agriculture, Ibadan, Nigeria, 11-12 December, 1972
Journal Article 1973

Autor: Williams, R.J. Agboola, S.D. Schneider, R.W.

A bacterial wilt of cassava was observed in several areas of Nigeria in 1972. Symptoms and pathogen characteristics are similar to those of a cassava disease in South America caused by Xanthomonas manihotis. The disease is likely to be economically important in West Africa.

Enlace original: https://cgspace.cgiar.org/handle/10568/97954

Investigación en Agricultura
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Williams, R.J. ,  Agboola, S.D. ,  Schneider, R.W. ,  [Bacterial wilt of cassava in Nigeria] ,  Bacterial wilt of cassava in Nigeria
Conference Paper 1975

Autor: Williams, R.J.
Enlace original: https://cgspace.cgiar.org/handle/10568/98175

Investigación en Agricultura
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Williams, R.J. ,  [The international testing program: aims, progress and problems seen from IITA] ,  The international testing program: aims, progress and problems seen from IITA
Conference Paper 1975-02

Autor: Gilmer, R.M. Williams, R.J.
Enlace original: https://cgspace.cgiar.org/handle/10568/97942

Investigación en Agricultura
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Gilmer, R.M. ,  Williams, R.J. ,  [Etiology, epidemiology and control of cowpea mosaic disease: paper presented at the Fourth Annual Conference of the Nigerian Society for Plant Protection, International Institute of Tropical Agriculture, Ibadan, Nigeria, February 11-13, 1974] ,  Etiology, epidemiology and control of cowpea mosaic disease: paper presented at the Fourth Annual Conference of the Nigerian Society for Plant Protection, International Institute of Tropical Agriculture, Ibadan, Nigeria, February 11-13, 1974

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