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Anthracnose disease, caused by the pathogen Collectotrichum gloeosporioides Penz., is a serious challenge to the cultivation of Dioscorea alata, a major source of food and income for millions of farm households in the tropics. Five breeder’s lines and eighteen landraces of D. alata from IITA’s ge...


Aduramigba-Modupe, A.O.Asiedu, RobertOdebode, A.C.[Reaction of Dioscorea alata (water yam) to anthracnose disease in Nigeria]Reaction of Dioscorea alata (water yam) to anthracnose disease in Nigeria

Leaf samples of Lablab purpureus collected from two agroecological zones of Nigeria—the northern guinea savanna zone (NGSZ) and the derived savanna zone (DSZ)—were infected with viruses when serologically indexed against available antisera. Approximately 31.1 and 81.1% of the leaf samples collect...


Odedara, O.O.Hughes, J.Odebode, A.C.Odu, B.O.[Multiple virus infections of lablab [ Lablab purpureus (L.) Sweet] in Nigeria]Multiple virus infections of lablab [ Lablab purpureus (L.) Sweet] in Nigeria

A virus, 750 × 18 nm, was isolated from Centrosema pubescens from Nigeria, causing leaf malformation, mosaic and mottling on the plant. When inoculated on to various test plants, it failed to produce necrotic or chlorotic lesions on Chenopodium amaranticolor, but symptoms of mottling were observe...


Odedara, O.OHughes, J.Tarawali, Shirley A.Odebode, A.C.Winter, S.[Characterisation of a potyvirus from Centrosema pubescens Benth]Characterisation of a potyvirus from Centrosema pubescens Benth

The ability of four Trichoderma isolates to colonize maize stem and persist therein in presence of Fusarium verticillioides were tested in the field. These were three strains of Trichoderma pseudokoningii and one strainof T. harzianum. There were three pairing methods based on the commonly used t...


Sobowale, A.A.Cardwell, K.F.Odebode, A.C.Bandyopadhyay, RanajitJonathan, S.G.[Persistence of Trichoderma species within maize stem against Fusarium verticillioides]Persistence of Trichoderma species within maize stem against Fusarium verticillioides

The distribution and aflatoxigenicity of Aspergillus section Flavi isolates in 58 commercial poultry feed samplesobtained from 17 states in five agro-ecological zones (AEZs) in Nigeria were determined in order to assess thesafety of the feedswith respect to aflatoxin-producing fungi. Correlation ...


Ezekiel, C.N.Atehnkeng, J.Odebode, A.C.Bandyopadhyay, Ranajit[Distribution of aflatoxigenic Aspergillus section Flavi in commercial poultry feed in Nigeria]Distribution of aflatoxigenic Aspergillus section Flavi in commercial poultry feed in Nigeria

A virus, 750 /I > 18 nm, was isolated from Centrosema pubescens from Nigeria, causing leaf malformation, mosaic and mottling on the plant. When inoculated on to various test plants, it failed to produce necrotic or chlorotic lesions on Chenopodium amaranticolor, but symptoms of mottling were obs...


Odedara, O.O.Hughes, Jacqueline d'ArrosTarawali, Shirley A.Odebode, A.C.Winter, S.[Characterisation of a potyvirus from Centrosema pubescens Benth]Characterisation of a potyvirus from Centrosema pubescens Benth

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