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Evidence from the virobacterial agglutination test for the existence of eight serogroups of cocoa swollen shoot virus by 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.) by 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.) by 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 by 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 by 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 by Hughes, J., Dongo, L., Atiri, G.

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Reactions of white yam (Dioscorea rotundata Poir.) genotypes to three viruses infecting yams by 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 by 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 by Ogbe, F., Hughes, J., Dixon, A.

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Virus diseases of root crops in Africa: abstracts by 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... by 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 by 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 by Eni, A., Hughes, J., Asiedu, Robert, Rey, M.

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

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Institutional aspects of sanitary and phytosanitary issues in ECOWAS trade by 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 by 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 by 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 by 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 by Ogbe, F., Hughes, J., Alabi, F., Okechukwu, R.U.

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

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