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Msuya, DMushi, CSAllen, David J.[Progress in identifying sources on resistance to white mould (Sclerotinia sclerotiorum) in beans in Tanzania]Progress in identifying sources on resistance to white mould (Sclerotinia sclerotiorum) in beans in Tanzania

A total of 93 isolates of Xanthomonas campestris pv. phaseoli was collected from five countries over a wide range of altitude (500 2320 m above sea level) in eastern Africa. Collections were made from a range of cultivars of the common bean (Phaseolus vulgaris), including known sources of resista...


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
Castaño Zapata, JairoAllen, David J.[Resistencia inducida en frijol (Phaseolus vulgaris L.) contra roya (Uromyces phaseoli (Reben.) Wint.) con un aislamiento avirulento de U. phaseoli o de (Hemileia vastatrix Berk. et Br.]Resistencia inducida en frijol (Phaseolus vulgaris L.) contra roya (Uromyces phaseoli (Reben.) Wint.) con un aislamiento avirulento de U. phaseoli o de (Hemileia vastatrix Berk. et Br.

Necrosis inducing BCMV isolates were obtained from a range of wild and forage legume species growing in Uganda. Thirteen distinct isolates were identified on the bases of symptoms, pathogenicity in bean differential cultivars, serology, immunosorbent electron microscopy, seed-and aphid-transmissi...


Sengooba, TNKWalkey, D.G.A.Spence, NJAllen, David J.Lana, AF[The occurrence of bean common mosaic virus inwild and forage legume species in Uganda]The occurrence of bean common mosaic virus inwild and forage legume species in Uganda

This paper reviews the research progress made in pathology within the bean research network in Africa over the period 1985-92. Attention is drawn selectively to the most pertinent advances in preference to a fully comprehensive description of all work conducted in the region. A discussion of dise...


Allen, David J.[Advances in bean pathology through network research in Africa]Advances in bean pathology through network research in Africa
Allen, David J.Ampofo, James Kwasi O.Wortmann, Charles S.[Pragas, doenças e problemas nutricionais do feijoeiro na Africa: guia de campo]Pragas, doenças e problemas nutricionais do feijoeiro na Africa: guia de campo
Allen, David J.Arregocés, OscarMedina, LM[Principales maladies du haricot en Afrique [conjunto audiotutorial]]Principales maladies du haricot en Afrique [conjunto audiotutorial]
Arregocés, OscarAllen, David J.[Study guide to be used as a supplement to the audiotutorial unit on the same topic][Principal diseases of beans in Africa]Principal diseases of beans in Africa

Isolates of Pseudomonas syringae pv. phaseolicola from Africa and other bean growing areas were categorized into nine races on the basis of their reactions to eight differential cultivars following artificial inoculation. Eight hundred and ninety-three isolates representing 303 disease occurrence...


Taylor, JDTeverson, 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

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