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Cropping pattern and soil management influence on plant diseases. 2. Bean rust epidemiology

By: Contributor(s): Material type: ArticleArticleLanguage: English Description: 34(1):41-45Subject(s): LOC classification:
  • 25654
 In: TurrialbaSummary: La roya del frjol (Uromyces appendiculatus) afecto un mayor no. de hojas (incidencia) y una mayor area foliar (severidad) en plantas de frijol cultivadas en monocultivo que cuando asociadas con maiz. Los valores prom. de la tasa de incremento diario de la incidencia y la severidad de la roya durante el periodo exptl. siempre fueron mas altos en el frijol en monocultivo que en el frijol en asociacion con maiz. Las diferentes practicas de manejo del suelo afectaron tanto la incidencia como la severidad de la roya del frjol, particularmente al comienzo de la epidemia. Se infecto un mayor no. de plantas de frijol en los tratamientos de preparacion del suelo con arado mecanico y pases de rotador que en aquellos tratamientos que consistian en labranza min. o cero labranza. (RA)Summary: Bean rust (Uromyces appendiculatus) affected a greater no. of leaves (incidence) and a larger leaf area (severity) in beans planted in monoculture than when associated with maize. Av. values of daily rate of increase of both incidence and severity of bean rust for the whole exptl. period were always higher in monocropped beans than in beans associated with maize. Soil management influenced both the incidence and severity of bean rust, particularly at the onset of the epidemic. More beans were infected in soil preparation treatments with mechanical plowing and rotary tillage than with the min. tillage and zero tillage practices. (AS)
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Journal Article Journal Article CIAT Library Document collection CINFOS Document Collection CINFOS 25654 (Browse shelf(Opens below)) c.1 Short Loan 100055228
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La roya del frjol (Uromyces appendiculatus) afecto un mayor no. de hojas (incidencia) y una mayor area foliar (severidad) en plantas de frijol cultivadas en monocultivo que cuando asociadas con maiz. Los valores prom. de la tasa de incremento diario de la incidencia y la severidad de la roya durante el periodo exptl. siempre fueron mas altos en el frijol en monocultivo que en el frijol en asociacion con maiz. Las diferentes practicas de manejo del suelo afectaron tanto la incidencia como la severidad de la roya del frjol, particularmente al comienzo de la epidemia. Se infecto un mayor no. de plantas de frijol en los tratamientos de preparacion del suelo con arado mecanico y pases de rotador que en aquellos tratamientos que consistian en labranza min. o cero labranza. (RA) spa

Bean rust (Uromyces appendiculatus) affected a greater no. of leaves (incidence) and a larger leaf area (severity) in beans planted in monoculture than when associated with maize. Av. values of daily rate of increase of both incidence and severity of bean rust for the whole exptl. period were always higher in monocropped beans than in beans associated with maize. Soil management influenced both the incidence and severity of bean rust, particularly at the onset of the epidemic. More beans were infected in soil preparation treatments with mechanical plowing and rotary tillage than with the min. tillage and zero tillage practices. (AS) eng

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