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Evidence from the virobacterial agglutination test for the existence of eight serogroups of cocoa swollen shoot virus por Hughes, J., Adomako, D., Ollennu, L.A.

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Evaluation of resistance to yam mosaic virus (YMV), genus Potyvirus in white yam (Dioscorea rotundata Poir.) por Odu, B.O., Asiedu, Robert, Hughes, J., Shoyinka, S.A., Oladiran, O.A.

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Intraplant variation in sympton expression and distribution of banana streak badnavirus in naturallyinfected plantain and banana ( Musa spp.) por Dahal, G., Pasberg-Gauhl, C., Gauhl, F., Thottappilly, G., Hughes, J.

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Effect of temperature on symptom expression and detection of banana streak badnavirus in plantains and bananas por Dahal, G., Hughes, J., Thottappilly, G., Lockhart, B.

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Evaluation of micropropagated plantain and banana hybrids for banana streak badnavirus incidence in Nigeria por Dahal, G., Hughes, J., Gauhl, F., Pasberg-Gauhl, C., Thottappilly, G., Tenkouano, A., Vuylsteke, D.R., Lockhart, B.

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Effect of root size on root nutrient concentrations of four woody trees and maize por Hughes, J., Dongo, L., Atiri, G.

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Reactions of white yam (Dioscorea rotundata Poir.) genotypes to three viruses infecting yams por Odu, B., Hughes, J., Asiedu, Robert, Shoyinka, S.A., Oladiran, O.

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Bacterial tuber rot of seed yams (Dioscorea rotundata) in Nigeria and the Republic of Benin por Ayodele, M., Hughes, J., Asiedu, Robert

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Towards the control of a severe cassava mosaic disease in Nigeria: diagnostic survey of cassava mosaic begomoviruses por Ogbe, F., Hughes, J., Dixon, A.

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Virus diseases of root crops in Africa: abstracts por Legg, James P., Gibson, R., Hughes, J.

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Comparative sensitivity of tripleantibody sandwich enzymelinked immunosorbent assay(TASElISA) and immunocapturereverse transcription polymerase chain reaction (ICRTPCR) for the det... por Hughes, J., Olatunde, O., Canning, E., Seal, S., Kenyon, L., Offei, S.

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Characterization of cucumber mosaic virus isolated from yam (Dioscorea spp.) in West Africa por Eni, A., Kumar, P. Lava, Asiedu, Robert, Alabi, O.J., Naidu, R., Hughes, J., Rey, M.E.C.

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Incidence and diversity of mixed viruses lower in yam tubers and tuber sprouts compared with field leaf samples: Implications for virusfree planting material control strategy por Eni, A., Hughes, J., Asiedu, Robert, Rey, M.

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Re-evaluation of Yam Mosaic Virus (YMV) detection methods por Eni, A., Hughes, J., Asiedu, Robert, Rey, M.

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Institutional aspects of sanitary and phytosanitary issues in ECOWAS trade por Hughes, J., Bandyopadhyay, Ranajit, Makinde, K., Olembo, S.

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Cowpea viruses: effect of single and mixed infections on symptomatology and virus concentration por Taiwo, M.A., Kareem, K.T., Nsa, I.Y., Hughes, J.

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Banana streak disease survey in three plantain growing regions of Ghana por Lamptey, J., Dzomeku, B.M., Anno-Nyako, F.O., Banful, B., Hughes, J.

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Diagnosis, occurrence and seed transmission studies of viruses infecting four Centrosema species in Nigeria por Odedara, O., Hughes, J., Ayo‐John, E.

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The status of cassava mosaic disease, cassava begomoviruses, and whitefly vector populations in Nigeria por Ogbe, F., Hughes, J., Alabi, F., Okechukwu, R.U.

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Agrobacterium mediated transformation of plantain (Musa spp.) cultivar Agbagba por Tripathi, L., Tripathi, J., Hughes, J.

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