“Ensayos de dos hongos entomópatogenos para el control de empoasca kraemeri en piñón blanco, en el distrito de la banda de shilcayo, San Martín”

• Autor: Grández Shupingahua, José Luis
• Formato: tesis de grado
• Fecha de Publicación: 2010
• Institución: Universidad Nacional de San Martin - Tarapoto
• Repositorio: UNSM-Institucional
• Lenguaje: español
• OAI Identifier: oai:repositorio.unsm.edu.pe:11458/608
• Enlace del recurso: http://hdl.handle.net/11458/608
• Nivel de acceso: acceso abierto
• Materia: Ensayos; dos; hongos; entomópatogenos; para; control; empoasca; kraemeri; piñón; blanco; distrito; banda; shilcayo

In recent years, the barbados nut (Jatropha curcas) has begun to attract more interest in the San Martf n region, beca use it is an important source of energy (biodiesel) thatcould replace oil in the near futura. The introduction of the barbados nut as a crop in the San Martin region is new, therefore, problems of pests, diseases, soil, etc., will be present. For this reason, the research project conducted is title "Test of two entomopathogenic fungi for control of Empoasca kraemeri white gear in the Banda district of Shilcayo, San Martín" intended to determine the effect of different dosages of entomopathogenic fungi, Beauveria bassiana and Metarhizium anisop/iae, in the cultivation of barbados nut (Jatropha curcas), to control leafhoppers (Empoasca sp.), as they cause problems in the development of the plant. The study was conducted in the demonstration plots of the company Francisco Tello Peru SAC. Two entomopathogenic fungi (Beauveria bassiana and Metarhizium anisop/iae) were used at different doses (low dose = 2 or 1.6 kg bags x 200 liters of water; medium dose = 3 or 2.4 kg bags x 200 liters of water, high dose = 4 or 3.2 kg bags x 200 liters of water), where the fungus concentration was 1.0 x 1010 conidia I g, adding to 50 ce of agricultura! oil. The numbers of treatment were 6. Befare the first application was made, there was a population assessment of leafhoppers in the plot; the second application was made after 15 days later. The number of ínsects collected were evaluaded at 2, 9, 16 days after the first applícation, and then at 2 and 9 days after the second application. Also, the percentage of sporufation (faboratory) was evaluated at 5, 12, 19 days after the first application, and then at 5 and 12 days after the second application of entomopathogenic fungí. The results concluded that the dose T5 (Metarhizium anísop/iae to medium dose = 3 or 2.4 kg bags. x 200 liters of water), obtained 17.8 of teafhoppers on average per plot, which indicates that it is the dose that achieved the greatest effect on control of leafhoppers. In respect to the dose that reportad a higher sporulation in insects evaluated was T6 (Metarhizium anisopliae + high dose = 4 or 3.2 kg bags. x 200 liters of water), which reportad the highest percentage, 72.8%. Key Words: White pinion, Biodiesel, green cicada Entomopathogenic fungi sporulation.