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Evaluación de fungicidas sistémicos y de contacto en el control de la moniliasis (Moniliophthora roreri) del cacao (Theobroma cacao). Colegio de Postgraduados
Quevedo Damián, Isaí.
La moniliasis causada por Moniliophthora roreri, es una de las enfermedades más destructivas del cacao en América. Afecta exclusivamente al fruto en cualquier etapa de desarrollo, causando pérdidas de hasta el 100% de la producción. Las prácticas culturales han sido el método más aplicado para el combate de la enfermedad, por lo que la selección de fungicidas adecuados contra M. roreri que puedan ser incluidos en programas de manejo de la enfermedad. El objetivo de la presente investigación fue evaluar la efectividad in vitro de diferentes fungicidas a concentraciones de 250, 500 y 1000 mg L-1 sobre el desarrollo micelial y la germinación conidial de M. roreri y seleccionar los que tengan alta efectividad in vitro para su prueba en campo. Los productos...
Palavras-chave: Control químico; M. roreri; Efectividad; Incidencia; Theobroma cacao; Chemical control; Frosty pod rot; Effectiveness; Incident; Producción Agroalimentaria en el Trópico; Maestría.
Ano: 2012 URL: http://hdl.handle.net/10521/924
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Prevention aspects for avoiding rollover incidents together for tractors, self-propelled harvesting and material handling machinery CIGR Journal
Mayrhofer, Hannes; Quendler, Elisabeth; Boxberger, Josef.
Abstract: Tractors, self-propelled harvesting and material handling machines are the most commonly used self-propelled machineries in Austrian agriculture that have similarities in main rollover incident causes.  The aim of this study was to present sustainable prevention measures against rollovers together for tractors, self-propelled harvesting and material handling machinery based on a new machine evaluation, manufacturer surveys and a literature research.  New machines were investigated concerning their compliance with legal regulations and concerning their current rollover prevention equipment.  By interviewing manufacturers of tractors, self-propelled harvesting machinery and material handling machinery, the challenges with implementing safety...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agricultural Engineering; Accident Prevention Agricultural machinery; Surveys; Machine evaluation; Incident; Injuries; Prevention.
Ano: 2014 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/2820
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Prevention aspects for avoiding run-over incidents with self-propelled agricultural machinery CIGR Journal
Mayrhofer, Hannes; Quendler, Elisabeth; Boxberger, Josef.
Run-overs are one of the most common incident scenarios with tractors, self-propelled harvesting and load transportation machines in Austrian agriculture.  The aim of the study was to describe sustainable prevention measures against these kinds of incidents.  For this purpose, the compliance with safety standards and directives in new machinery was investigated, currently available prevention equipment was identified and manufacturers were asked about the difficulties in the implementation of prevention measures against run-overs in new vehicles.  In addition, a literature and internet research was done.  The evaluation of new machines showed that self-propelled harvesting machines and tractors tended to be more frequently equipped with relevant safety...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agricultural Engineering; Accident Prevention agricultural machinery; Run-over; Incident; Prevention.
Ano: 2014 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/2853
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Scenarios and causes of rollover incidents with self-propelled agricultural machinery in Austria CIGR Journal
Mayrhofer, Hannes; Quendler, Elisabeth; Boxberger, Josef.
 Rollovers are the most common incidents with tractors, self-propelled harvesting and agricultural materials handling machinery in Austrian agriculture.  The precise identification of rollover incident scenarios and causes with these vehicles is the aim of the study. In order to achieve this, incident victims were interviewed and incident reports were analysed.  To derive information from report and interview material the qualitative content analysis was used.  The analysis showed that rollovers with tractors, self-propelled harvesting machinery and materials handling machinery showed similarities in terms of causes, circumstances and consequences although they are quite different in vehicle concept, operation and use.  The rollovers were mostly influenced...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Incident; Agricultural machinery; Rollover; Victim survey; Content analysis.
Ano: 2014 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/2789
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