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Bellotti, A.Lozano, J.C.Schoonhoven, A. vanTerry, Eugene R.Booth, R.[Suggested guidelines relating to the international movement of cassava planting materials: Conference Conference Proceedings of an interdisciplinary workshop held at IITA, Ibadan, Nigeria, 1721 November, 1975]Suggested guidelines relating to the international movement of cassava planting materials: Conference Conference Proceedings of an interdisciplinary workshop held at IITA, Ibadan, Nigeria, 1721 November, 1975

A bacterial disease of rice not described previously has been observed in Central and South America. Symptoms are characterized by spreading brown blotches on the leaves. Systemic invasion by the pathogen causes necrosis of the vascular system of the leaves, resulting in their partial or total br...


Lozano, J.C.Victoria Kafure, JIVelasco, Ana CeciliaSang Won Ahn[Bacterial brown blotch, a disease of rice in tropical America]Bacterial brown blotch, a disease of rice in tropical America
Autor: Lozano, J.C.

The different alternatives for disease control in cassava, reported as efficient and that could be taken into account when designing technological packages for cassava production, are summarized. These are cultu-ral control (crop rotation, planting on furrows, elimination of crop resi-dues, dista...


Lozano, J.C.[Alternativas para el control de enfermedades en yuca]Alternativas para el control de enfermedades en yuca
Autor: Lozano, J.C.

The main pathological problems of the cassava crop are summarized. Four bacterial diseases have been identified and their causal agents characterized: CBB, angular leaf spot, bacterial stem rot, and bacterial stem gall. Two mycoplasmal problems, witches` broom and antholysis, have been identified...


Lozano, J.C.[Problemas patologicos en el cultivo de la yuca]Problemas patologicos en el cultivo de la yuca

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

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