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Opio, A.F. ,  Allen, David J. ,  Teri, J.M. ,  [Pathogenic variation in Xanthonomas campestris pv. phaseoli, the causal agent of common bacterial blight in Phaseolus beans] ,  Pathogenic variation in Xanthonomas campestris pv. phaseoli, the causal agent of common bacterial blight in Phaseolus beans

Taylor, JD ,  Teverson, D.M. ,  Allen, David J. ,  Pastor Corrales, Marcial A. ,  [Identification and origin of races of Pseudomonas syringae pv. phaseolicola from Africa and other bean growing areas] ,  Identification and origin of races of Pseudomonas syringae pv. phaseolicola from Africa and other bean growing areas

Allen, David J. ,  [Survival and spread] ,  Survival and spread

Allen, David J. ,  Buruchara, Robin A. ,  [Pan-African Working Group Meeting on Bacterial and Virus Diseases of Common Bean (1994, Kampala, Uganda). Proceedings] ,  Pan-African Working Group Meeting on Bacterial and Virus Diseases of Common Bean (1994, Kampala, Uganda). Proceedings