
RESUMEN El uso excesivo de fertilizantes y plaguicidas quimicos traen consecuencias negativas, nada amigable para el medio ambiente, por otra parte, el uso de abonos organicos (hongos micorrizicos) es una alternativa para una agricultura saludable, conservando la biodiversidad, y sobre todo respetando nuestro planeta. La investigacion se realizo en Puno 3,820 msnm, con el objetivo de determinar el efecto de la aplicacion de hongo micorrizico vesiculo arbuscular, ( Glomus intrarradices ) como MicorrizaFer, en el rendimiento del cultivo de papa ( Solanum tuberosum L.) en dos variedades Imilla negra y Compis, en condiciones de secano durante la campana agricola 2015-2016. La metodologia de la investigacion es experimental, descriptivo y secuencial. Se aplico cinco dosis: 1,00; 0,75; 0,50; 0,25 y 0,00 g por planta, previa inoculacion del hongo micorrizico sobre el tuberculo. Para la distribucion de tratamientos se utilizo el diseno de Bloque Completo al Azar (BCA), y los datos se analizaron bajo un arreglo factorial 2 x 5, variedades y dosis, con tres repeticiones; el rendimiento se determino mediante el metodo gravimetrico. El resultado indica que el mayor rendimiento se obtuvo con la dosis de 1,00 g de MicorrizaFer por planta, 14,01 t.ha -1 en la variedad Imilla Negra y 13,82 t.ha -1 en la variedad Compis, siendo superior al testigo en 7,02% y 5,97% respectivamente. sin adicionar fertilizacion quimica ni control quimico de plagas y enfermedades. Factores que pudieron desfavorecer los resultados de la investigacion se atribuiria a la altitud en la que se realizo la investigacion a 3,820 msnm. Palabras clave : Cultivo de papa, micorrizas, rendimiento, simbiosis. ABSTRACT Excessive use of chemical fertilizers and pesticides have negative consequences, not friendly to the environment, on the other hand, the use of organic fertilizers (mycorrhizal fungi) is an alternative for healthy agriculture, conserving biodiversity, and above all respecting our planet. The research was carried out in Puno 3,820 meters above sea level, with the aim of determining the effect of the application of mycorrhizal fungus, arbuscular vesicle, (Glomus intraradices) such as MicorrizaFer, on the yield of potato cultivation (Solanum tuberosum L.) in two black Imilla varieties and Compis, in drying conditions during the 2015-2016 agricultural campaign. The research methodology is experimental, descriptive and sequential. Five doses were applied: 1,00; 0,75; 0,50; 0,25 and 0,00 g per plant, prior inoculation of the mycorrhizal fungus on the tuber. For the distribution of treatments, select the Random Complete Block (BCA) design, and the data will be analyzed under a 2 x 5 factorial arrangement, varieties and doses, with three repetitions; the yield was determined by the gravimetric method. The result indicates that the highest yield is obtained with the dose of 1,00 g of Micorriza for plant, 14,01 t.ha-1 in the Imilla Negra variety and 13,82 t.ha-1 in the Compis variety, being higher than the control in 7,02% and 5,97% respectively. without adding chemical fertilization or chemical control of pests and diseases. Factors that could undermine the results of the investigation would be attributed to the altitude at which the investigation was conducted at 3,820 meters above sea level. Keywords : Potato cultivation, mycorrhizae, yield, symbiosis.
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