Control de enfermedades vasculares del clavel en Colombia
Control of carnation vascular diseases in Colombia
Keywords:
Control de enfermedades, vasculares, clavel, fusarium, cultivo, suelo, fungicidas, vapor, aislamientos, flores (es)Downloads
un aspecto importante en el cultivo del clavel en la Sabana de Bogotá. Dichas enfermedades se introdujeron de diversos
pa íses mediante material de propagación infectado y su incidencia ha aumentado por la rápida diseminación de los patógenos, por su persistencia en el suelo y por la poca
eficiencia y el alto costo de las medidas de control utilizadas. Entre 1983 y 1986 se realizaron 5 experimentos en diferentes cultivos utilizando la combinación de vapor, fumigantes, fungicidas sistémicos y la aplicación de algunos aislamientos de Trichoderma harzianum, Pseudomonas putida y Serratia
liquefasciens para evaluar el control de las enfermedades vasculares. La aplicación de Metan-sodio + Vapor antes de la siembra y de Vapor ocasionaron la menor mortalidad de plantas y la mayor producción de flores. La aplicación de antagonistas al suelo no ocasionó un control satisfactorio de las enfermedades, como tampoco la aplicación de
fungicidas sistémicos.
important in carnation greenhouses at the Bogotá Plateau. These pathogens were introduced from different countries through infected propagative material and their incidence has quickly increased due to a high dissemination rateo soil persistence and low efficiency and high costs of the control
measures used. Five experiments in different farms using a combination of steam, several fumigants, systemic fungicides and the application of some iso lates of Trichoderma harzianum, Pseudomonas putida and Serratia liquefasciens were set to evaluate control of vascular diseases from 1983 to 1986. Flower yield was also measured. The application of
Metham-sodium plus steam before planting and steam alone caused the lowest mortality of plants and the highest flower yield. The use of antagonists in the soil did not control
satisfactorily the diseases. Systemic fungicides showed a low efficiency for control.
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