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Publications (24)
This study evaluated the seasonal variability of water quality in the Tilacancha River, the water source that supplies Chachapoyas, and the rural communities of Levanto and San Isidro del Maino of Perú. Eighteen physical, chemical, and microbiological water parameters were evaluated at five sampling points in two seasons (rainy and dry). To determi...
Coffee (Coffea arabica) is the main commodity in Peru and is the economic support for thousands of small farmers. However, coffee production is affected by the coffee berry borer (Hypothenemus hampei). Currently, H. hampei is the most important pest in whole coffee-growing regions in Peru. This study aimed to evaluate in vitro biological activity o...
This research aimed to evaluate the oxidative stability and rheological properties of dark chocolates with the addition of essential oils (EO) of Cymbopogon citratus, Pimpinella anisum, and Mintostachys mollis. For this purpose, before the inclusion in chocolates, the EO were chemically characterized to identify the most important volatile compound...
The presence of toxic metals such as aluminum is described as a factor that could lead to a significant decrease in crop productivity, particularly for the cultivation of acidophilic plants. In the present study, in vitro cultivation of pineapple was used as a model to evaluate the role of silver nanoparticles (0.005, 0.01, 0.025, 0.05, and 0.1 g L...
The objective of the study was to evaluate the concentration of arsenic, chromium, cadmium, and lead in onion (Allium fistulosum and Allium cepa), tomato (Solanum lycopersicum), and celery (Apium graveolens) from two origins (local - Chachapoyas province and from the coast-province of Chiclayo) that are sold in the model market of the city of Chach...
It has been established that climate change has a direct impact on water availability, an essential resource for agricultural development. As a result, controlling, mitigating, and adapting to water deficit requires the advancement of research on promising wild flora species. As recent studies have shown, wild relatives of certain cultivars are tol...
Peru is one of the world’s leading exporters of cocoa beans, which directly impacts the household economy of millions of small farmers. Currently, the expansion and modernization of the cocoa-growing area require the zoning of the territory with suitable biophysical and infrastructural conditions to facilitate optimizing productivity factors. There...
Cocoa cultivation is of considerable economic and social importance to the Amazonas region and is commonly associated with forest species in the region. However, the diversification level and composition of cacao agroforestry systems in Peru are poorly understood. The objective of this study is, therefore, to describe the diversity of tree species...
Lilies are one of the most important, beautiful, and economically valuable flowers in the world. Lilium is regarded as a popular floral trade cut flower, so viable protocols are needed to provide seed production, multiplication, and preservation. In vitro protocols allow for rapid large-scale production and rejuvenation of planting material, but to...
Due to the growing demand for healthy food products, the industry is seeking to incorporate inputs with high nutritional potential to traditional products. The objective of this research was to evaluate the effect of incorporating Lepidium meyenii, Chenopodium pallidicaule, Amaranthus caudatus, Sesamum indicum and Salvia hispanica flours on the phy...
Lakes are water bodies that play an essential role as water sources for humanity, as they provide a wide range of ecosystem services. Therefore, this study aimed to evaluate Lake Pomacochas, a high Andean lake in the north of Peru. A variety of parameters were studied, including physicochemical parameters such as temperature (T°C), dissolved oxygen...
One way to mitigate climate change is by reducing atmospheric CO2 levels with the establishment of agroforestry systems (AFSs) that can capture and store atmospheric CO2. This study therefore estimated the carbon sequestration in two components, aboveground (cocoa trees, other tree species, and leaf litter) and soil, in 15 fine aroma cocoa AFSs in...
The northeastern region of Peru is one of the centers of origin of cocoa due to the great diversity of this cultivar. The objective of this study is, therefore, to search for different genetic groups of 146 ecotypes of fine-aroma native cacao from the northeastern region of Peru, based on the morphological descriptors of pods, seeds, sensory, yield...
In strawberry micropropagation, several challenges must be overcome to obtain quality plants and achieve high survival rate to ex vitro acclimatization. In this study, therefore, a set of protocols were evaluated to optimize explant (meristem) disinfection, in vitro growth (multiplication and rooting), and ex vitro acclimatization of strawberry. Th...
Cocoa beans are the raw material for the chocolate industry. In this study, the total fat contents and fatty acid profiles of fine-aroma cocoa beans of 30 cocoa ecotypes from northeastern Peru were evaluated. Results showed that SJJ-1 and ACJ-11 ecotypes from San Martin and Amazonas regions, respectively, presented highest percentages of total fat...
The phenotypic characterization of cacao (Theobroma cacao L.) plays an important role in the generation of information for the conservation of cacao germplasm. The objective of this study is to characterize phenotypically 146 ecotypes of fine-aroma native cacao (FFNC) from northeastern Peru that were collected from 280 to 1265 metres above sea leve...
p>El objetivo de la investigación fue evaluar los aspectos culturales de 12 cepas nativas de Trichoderma spp. Se llevó a cabo en los ambientes del Laboratorio de LABISANV, de la Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas (UNTRM-A). Donde se evaluó el crecimiento radial del micelio de 12 cepas nativas de Trichoderma spp, en tres d...
p>La presente investigación se llevó a cabo en el vivero de la Estación Experimental de Pomacochas, provincia de Bongará-Amazonas, del Instituto de Investigación para el Desarrollo Sustentable de Ceja de Selva, que tuvo como objetivo evaluar el efecto de los tipos y dosis de sustratos en la propagación sexual y asexual de Mozgal ( Cavendishia bract...
El objetivo del presente trabajo fue determinar el efecto de tres fungicidas químicos y tres dosis de aplicación para el control del “tizón foliar”, Exserohilum spp., en el cultivo de maíz variedad INIA 617 Chuska, en el distrito de Levanto, Chachapoyas, Amazonas. Se empleó un diseño experimental en bloque completo al azar (DBCA) con tres repeticio...
p>La presente investigación, realizada en el Laboratorio de Investigación de Entomología y Fitopatología de la Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, tuvo el objetivo de evaluar el efecto in vitro de cuatro controladores biológicos (Trichoderma harzianum, T. viride, T. asperellum y Clonostachys rosea) frente a los hongos pat...
p>El objetivo de la presente investigación fue evaluar el efecto in vitro de la capacidad antagónica de cinco controladores biológicos ( Clonostachysrosea , Trichoderna viride , T.asperellum , T.lignorum y T.harzianum ) sobre el agente causal de la pudrición gris de frutos de fresa ( Fragaria spp). Se empleó un diseño completamente al azar, bajo el...
