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Opio, A.F.Allen, David J.Teri, J.M.[Evaluation of inoculation methods and inoculum concentration for Xanthomonas campestris pv. phaseoli]Evaluation of inoculation methods and inoculum concentration for Xanthomonas campestris pv. phaseoli
Edje, O.T.Maimu, J.M.Mbuya, O.S.Ndakidemi, P.Mushi, C.S.Allen, David J.[Progress in on-farm research with beans in Lushoto district, Tanga Region, Tanzania]Progress in on-farm research with beans in Lushoto district, Tanga Region, Tanzania
Vetten, H.J.Allen, David J.[Recent progress in the identification of viruses of Phaseolus vulgaris in Africa]Recent progress in the identification of viruses of Phaseolus vulgaris in Africa

Allen, David J.[Working Group Meeting on Virus Diseases of Beans and Cowpeas in Africa (1990, Kampala, Uganda). Proceedings]Working Group Meeting on Virus Diseases of Beans and Cowpeas in Africa (1990, Kampala, Uganda). Proceedings

Bean production in Africa is very heterogeneous with much variation in environmental conditions, cropping systems, preferences and constraints. This working document contains information on the many bean producing areas in Africa. The data were gleaned from numerous sources but a major part of th...


Wortmann, Charles S.Allen, David J.[African bean production environments: their definition, characteristics and constraints]African bean production environments: their definition, characteristics and constraints

The Bean atlas is a comprehensive map of the bean growing areas in Africa. The first version was first published in 1998 and in paper format. For the last four years, PABRA has been developing the second edition, which shows dramatic changes in bean production areas across Africa, where some have...


Wortmann, Charles S.Kirkby, Roger A.Eledu, Charles A.Allen, David J.[Atlas of common bean (Phaseolus vulgaris L.) production in Africa]Atlas of common bean (Phaseolus vulgaris L.) production in Africa

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