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Laberry Saavedra, Rafael AlbertoLozano T., José Carlos[El añublo bacterial de la yuca por Xanthomonas campestris pv. manihotis: estado actual]El añublo bacterial de la yuca por Xanthomonas campestris pv. manihotis: estado actual

DNA polymorphism and variation in virulence of Xanthomonas axonopodis pv. manihotis (Xam), the causal agent of cassava bacterial blight, were studied within a pathogen population from Venezuela. Collections were made in several fields at different sites within an edaphoclimatic zone where cassava...


Verdier, ValérieRestrepo, S.Mosquera Cifuentes, Gloria MariaDuque E., Myriam CristinaGerstl, ALaberry Saavedra, Rafael Alberto[Genetic and pathogenic variation of Xanthomonas axonopodis pv. manihotis in Venezuela]Genetic and pathogenic variation of Xanthomonas axonopodis pv. manihotis in Venezuela
Laberry Saavedra, Rafael AlbertoLozano T., JCNasser, AMestra Guerra, A[Manejo de la quema o bacteriosis en yuca]Manejo de la quema o bacteriosis en yuca
Lozano T., José CarlosLaberry Saavedra, Rafael Alberto[Encontrada resistencia durable al añublo bacterial de la yuca (Manihot esculenta Crantz) causado por Xanthomonas campestris pv manihotis]Encontrada resistencia durable al añublo bacterial de la yuca (Manihot esculenta Crantz) causado por Xanthomonas campestris pv manihotis

The existence of endophytes in cassava was suspected for the following reasons: (a) A wide range variation of root yield is frequent among disease-symptomless plants growing on the same plot; (b) root yield of low-yielding, virus-free plants of traditional clones can be increased by meristem cult...


Rivera, MFLaberry Saavedra, Rafael AlbertoLozano, J.C.[Evidences for endophytes parasiting traditional clones of cassava (Manihot esculenta Crantz)]Evidences for endophytes parasiting traditional clones of cassava (Manihot esculenta Crantz)

Recent investigations on cassava and its relationships with Pseudomonas fluorescens and P. putida have shown (a) Isolates with none or very mild inhibition of pathogenic bacteria and fungi; (b) isolates that strongly inhibit pathogenic bacteria, with none or very mild inhibition of fungi; (c) iso...


Lozano, J.C.Laberry Saavedra, Rafael Alberto[Biological control of cassava diseases using fluorescent pseudomonads]Biological control of cassava diseases using fluorescent pseudomonads
Laberry Saavedra, Rafael AlbertoLozano T., José Carlos[Almacenamiento de estacs de yuca (Manihot esculenta Crantz) [resumen]]Almacenamiento de estacs de yuca (Manihot esculenta Crantz) [resumen]
Laberry Saavedra, Rafael AlbertoMartínez, Diego[Manejo del añublo bacterial de la yuca Xanthomonas campestris pv. manihotis en Cajibío (Cauca)]Manejo del añublo bacterial de la yuca Xanthomonas campestris pv. manihotis en Cajibío (Cauca)

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