57 samples of 500 g of coffee were evaluated to compare the quality of coffee cup, in the rural sectors of the San Juan del Oro areas in Sandia -Puno and Apollo in Franz Tamayo -La Paz. Both production areas are located in an ecological floor that varies between 1300 to 1400 msnm, this being an important factor, since high-quality coffee is obtained at more than 1200 msnm. For the evaluation of the samples in each production area of San Juan del Oro and Apollo, two samples (500g each) were made, first at 10% and second at 30% of the best samples for the evaluation of mixtures or blends. The best quality coffee was obtained 88.7 evaluation points of coffee beans from San Juan del Oro and 86.5 points in Apolo. The best cup organoleptic profile was presented in San Juan del Oro coffee with notes of "floral, honey, jasmine, complex", while in Apollo it was "citrus, floral, tangerine", resembling the qualities "floral, honey, and fruit flavor. " Based on the coffee classification of the Specialty Coffee Association of America, 55.4% of the coffee studied is in the special coffee category and 44.4% coffee of special origin. It is concluded that the best quality coffee is from San Juan del Oro; I do not enter Apolo, a production with better moisture conservation in parchment grain was observed, determining that there are organoleptic differences in both production areas and similar organoleptic profiles.
Plant-parasitic nematodes cause 14 % of annual losses in different crops in the world and there are more than 35 genera of phytoparasitic nematodes associated with the rhizosphere of the papaya crop (Carica spp.), being the most important the root-knot nematode (Meloidogyne spp). The present study aimed to carry out the morphological identification of the genera of nematodes associated with the cultivation of Andean papaya (Carica pubescens), in Sandia district, Puno, Perú. One-hundred and fifty-five soil and roots samples from eight communities were evaluated. The samples were processed by the centrifugal fluctuation method in sucrose solution and subsequent identification of the nematodes at the genus level, using the dichotomous key of Mai and Mullin. We found the genus Meloidogyne, Pratylenchus, Helicotylenchus, Mesocriconema, Apelenchus, Dorilaymus, Tylenchus, Xiphinema, Mononchus, Discocriconemella, Trichodorus and other unidentified free-living nematodes. This information may allow the design of an integrated nematode management plan in Andean papaya crops.
El Altiplano peruano es considerado como lugar de origen del cultivo de papa (Solanum spp.), así mismo, sería el centro de origen de sus plagas insectiles más importantes compuesta por un conjunto de diferentes especies denominado complejo gorgojo de los Andes (Coleoptera: Curculionidae), siendo el objetivo del trabajo estudiar la diversidad de especies que conforman el complejo de estas plagas, en el ámbito de dos comunidades productoras de papa: Jallahua y Kcoriñahui, distantes entre sí 17 km y ubicadas a altitudes de 3883 y 4093 msnm, en el distrito de Pucará (Lampa-Puno). Para ello se colectaron adultos de gorgojos plaga, con trampas de caída Barber modificadas; luego se diferenciaron e identificaron por comparación con material referencial de la colección del Centro Internacional de la papa CIP y posteriormente ratificada su identificación mediante el uso de claves dicotómicas.Como resultado fue posible asignar los ejemplares a las siguientes especies: Premnotrypes solaniperda Kuschel, Cylydrorhinus sp., Listroderes punicola Kuschel, Puranius sp., Rigopsidius tucumanus Heller, Rigopsidius piercei Heller y cuatro especies aún no identificadas taxonómicamente; lo cual sugiere un alto nivel de diversidad aún en áreas geográficas cercanas. Se encontró además heterogeneidad en la distribución geográfica de las especies, siendo altamente dominante P. solaniperda, en tanto que el resto de las especies, muestran densidades e índices de dominancia intermedios y bajos.
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