Resultados de búsqueda - "Regions of Peru"

Cacao flower visitation: Low pollen deposition, low fruit set and dominance of herbivores por Vansynghel, Justine, Ocampo Ariza, Carolina, Maas, Bea, Martin, Emily A., Thomas, Evert, Hanf-Dressler, Tara, Schumacher, Nils-Christian, Ulloque-Samatelo, Carlos, Tscharntke, Teja, Steffan-Dewenter, Ingolf

“…Flower visitors were sampled with sticky insect glue in 20 cacao agroforests in two biogeographically distinct regions of Peru, across gradients of shade cover and forest distance. …”
Enlace del recurso

Investing in rural households through community promoters: The Haku Wiñay/noa jayatai programme in Peru por Salcedo du Bois, Rodrigo, Arca Zimmermann, Alexandra, Davis, Kristin E., Gilbert, Rachel, Gammelgaard, Johanna, Ngwenya, Hlami

“…Data were collected via structured interviews with key informants, mainly Yachachiqs, from the two poorest regions in Peru, Cajamarca and Huancavelica. Major findings are that, even though Yachachiqs are known and selected by the community to implement the community projects, it takes significant effort,time and resources for Yachachiqs to be viewed as trustworthy by programme participants and thus guarantee their participation in the programme. …”
Enlace del recurso

Mitochondrial DNA Variation in Peruvian Honey Bee (Apis mellifera L.) Populations Using the tRNAleu-cox2 Intergenic Region por Chávez Galarza, Julio César, López Montañez, Ruth Noemí, Jiménez, Alejandra, Ferro Mauricio, Rubén Darío, Oré, Juan, Medina, Sergio, Rea, Reyna, Vásquez Pérez, Héctor Vladimir

“…Only two studies have characterized these populations, indicating the presence of Africanized honey bee colonies in different regions of Peru and varied levels of Africanization, but the current status of its genetic diversity is unknown. …”
Enlace del recurso
Enlace del recurso

Assessment of the genetic diversity and population structure of the peruvian andean legume, tarwi (Lupinus mutabilis), with high quality SNPs por Huaringa Joaquin, Amelia Wite, Saldaña Serrano, Carla Lizet, Saravia Navarro, David, García Bendezú, Sady, Rodriguez Grados, Pedro Manuel, Salazar Coronel, Wilian, Camarena Mayta, Felix, Injante Silva, Pedro Hugo, Arbizu Berrocal, Carlos Irvin

“…Lupinus mutabilis Sweet (Fabaceae), “tarwi” or “chocho”, is an important grain legume in the Andean region. In Peru, studies on tarwi have mainly focused on morphological features; however, they have not been molecularly characterized. …”
Enlace del recurso
Enlace del recurso

Comparing the differential expression of selected genes in native Peruvian potatoes in response to early and late drought conditions por Cornelio, Laynet, Perez, Indira, Vazquez, Carlos, Martinez, Diana, Ponce, Olga Patricia, Murata, Emi, Torres, Yerisf, Zúñiga López, Luz Noemí, Orjeda Fernandez, Maria Gisella, Maul, Dora Pilar, Merino, Carlos

“…Native potatoes from the Andean regions of Peru, Ecuador and Bolivia grow at altitudes as high as 11483 ft. (3500m) above sea level. …”
Enlace del recurso

Enteric methane emission factor for dairy farming in Peru por Fernandez, Melisa, Fuestes Navarro, Eduardo, Viera Valencia, Mario Agustín, Llacsa, Javier, Carrasco Chilón, William Leoncio, Altamirano, Wilman, Romero Delgado, Gelver, Ayala, Richard, Vela Alvarado, Jorge Washinton, Zegarra Paredes, Jorge Luis, Molina Botero, Isabel Cristina, Gómez, Carlos

“…Data were collected from seven regions of Peru and classified according to the type of feeding as intensive, semi-intensive or extensive. …”
Enlace del recurso
Enlace del recurso

Proyecto: control de las pudriciones radicales del frijol comun (Phaseolus vulgaris L.) en la zona andina por Valladolid, A., Chumbiauca, L., Munive, J., Cantoral, E., Esteves, C., Peralta, E., Minchala, L., Defaz, M., Rivadeneira, C., Quiton, N., Pastor Corrales, Marcial A., Kornegay, Julia L.

“…This project aims at: (1) identifying the major pathogens of the bean root rot complex, (2) screening for resistant germplasm, and (3) evaluating low-input control methods that will significantly decrease economic losses caused by root rots in the main bean producing regions of Peru, Ecuador, and Bolivia. The duration of the project is 3 yr as of June 1991 and the Swiss Development Cooperation (SDC) will fund it through the Bean Program for the Andean Zone (PROFRIZA-CIAT) and the contribution of the national research programs. …”
Enlace del recurso

Collecting wild potato species (Solanum sect. Petota) in Peru to enhance genetic representation and fill gaps in ex situ collections por Sotomayor Melo, Diego Alejandro, Ellis, David, Salas, Alberto, Gomez, Rene, Sánchez Díaz, Rosa Angélica, Carrillo Castillo, Fredesvinda, Girón Aguilar, Rita Carolina, Quispe, Violeta, Manrique Carpintero, Norma C., Anglin, Noelle L., Zorrilla Cisneros, Cinthya

“…With this aim, 18 targeted collecting trips were conducted during 2017/2018 in the center of origin of potato (Solanum tuberosum L.), targeting 17 diverse ecological regions of Peru. This was the first comprehensive wild potato collection in Peru in at least 20 years and encompassed most of the unique habitats of potato CWRs in the country. …”
Enlace del recurso
Enlace del recurso

In vitro biological activity of Beauveria bassiana, Beauveria peruviensis, and Metarhizium sp. against Hypothenemus hampei (Coleoptera: Curculionidae) por Chuquibala Checan, Beimer, Torres de la Cruz, Magdiel, Leiva, Santos, Hernandez Diaz, Elgar, Rubio, Karol, Goñas Goñas, Malluri, Arce Inga, Marielita, Oliva Cruz, Manuel

“…Currently, H. hampei is the most important pest in whole coffee-growing regions in Peru. This study aimed to evaluate in vitro biological activity of Beauveria bassiana, Beauveria peruviensis, and Metarhizium sp. against Hypothenemus hampei in two trials at different times. …”
Enlace del recurso
Enlace del recurso

Forage yield and nutritive value of plantain and chicory for livestock feed at high altitudes in Peru por Vallejos Fernández, Luis A., Guillén, Ricardo, Pinares Patiño, César, García Ticllacuri, Rubén, Muñoz Vilchez, Yudith Yohany, Quilcate, Carlos Enrique, Alvarez García, Wuesley Yusmein

“…Conclusions: The results indicate that the three cultivars evaluated may be used as a nutritional supplement in cattle feed, associated with grasses because they have high nutritive value suitable for milk production in the mountain regions of Peru.…”
Enlace del recurso
Enlace del recurso

Exploring cacao business models and agroecological transitions in Ucayali, Peru por Blanco, Maria, Mosquera, Leslie Estefany, Crisostomo, Diego, Díaz Casana, César, Ritter, Thea, Mockshell, Jonathan

“…Among the various regions in Peru, San Martín is the primary national producer, followed by Junín, Ucayali, Huánuco, and Cusco (Charry et al., 2020). …”
Enlace del recurso

Variabilidad genética del gen de beta lactoglubina en bovinos criollos de Perú por Veli Rivera, Eudosio Amancio, Rivas Seoane, Emma, Rivas Palma, Victoria Esther, Aquino Villasante, Yeny Natali, Estrada Zúniga, Rigoberto

“…This information will be useful in future breeding programs, as an alternative to a sustainable economic development to improve life quality of the rural communities of these regions of Peru. It is important to indicate the relevance of the in situ conservation of this specie locally adapted that survives in low-input production systems.…”
Enlace del recurso

Stability and Yield Performance of Durum Wheat (Triticum durum Desf.) Genotypes Across Environments in Southern Peru por Pacheco Andrade, Alexandra, Torres Limascca, María Elena, Cántaro Segura, Héctor Baroni, Díaz Morales, Luis Alberto, Matsusaka Quiliano, Daniel Claudio

“…Durum wheat (Triticum durum Desf.) underpins semolina value chains in water-limited regions, yet Peru remains import-dependent due to constrained local adaptation. …”
Enlace del recurso
Enlace del recurso

Spatial Distribution of Cadmium in Avocado-Cultivated Soils of Peru: Influence of Parent Material, Exchangeable Cations, and Trace Elements por Solórzano Acosta, Richard Andi, Llerena Arroyo, Rigel Arturo, Mejía Maita, Sharon, Cruz Luis, Juancarlos Alejandro, Quispe Matos, Kenyi Rolando

“…We analyzed 26 physicochemical properties, the total concentrations of 22 elements (including heavy and trace metals such as As, Ba, Cr, Cu, Hg, Ni, Pb, Sb, Se, Sr, Tl, V, and Zn and major elements such as Al, Ca, Fe, K, Mg, and Na), and six geospatial variables in 410 soil samples collected from various avocado-growing regions in Peru in order to identity potential associations that could help explain the spatial patterns of Cd. …”
Enlace del recurso
Enlace del recurso

Perfil de sub-proyecto regional promocion al consumo del frejol, bases preliminares: Bolivia - Ecuador - Peru por Bernal de Amory, Z., Peralta, E., Arriola, V.O., Sanz M., M.E., Vásquez, J., Córdoba, P., Castillo, R., Castro, P., Duenas C., R.

“…In Ecuador, operations will be located in strategic sites of the Sierra and Coastal regions. In Peru, research will be conducted in the provinces of Urubamba, Calca, Anta, and Cuzco (Ucchullo, Puquin, and Ollanta districts), in the Andean Sierra. …”
Enlace del recurso

Determinación de las reservas de carbono de la biomasa aérea, en diferentes sistemas de uso de la tierra en San Martín, Perú por Lapeyre, Tatiana, Alegre, Julio, Arévalo, Luis

Enlace del recurso

Cadmium in Cacao: ‘From Soil to Bar’ the Journey of Cadmium at a Farm Level por Bravo, Daniel, Santander , Margareth, Rodríguez, Jader, Escobar, Sebastian

Enlace del recurso
Enlace del recurso
Enlace del recurso

Estado actual de la cacaocultura: una revisión de sus principales limitantes por Antolinez Sandoval, Eduar Yovany, Almanza Merchán, Pedro José, Barona Rodríguez, Ayda Fernanda, Polanco Díaz, Eliseo, Serrano Cely, Pablo Antonio

Enlace del recurso
Enlace del recurso
Enlace del recurso

ASSETS in the Peruvian Amazon por International Center for Tropical Agriculture, Jarvis, Andy

“…Brief description of what the ESPA-ASSETS Project is all about, direct from a community site in the Ucayali region of Peru.…”
Enlace del recurso

Local content in local voices por Grimshaw, David J., Ara, Rocio

“…New technology is becoming more accessible to rural communities in the Cajamarca region of Peru in this podcasting experiment. Farmers can now get relevant information in a language they can understand.…”
Enlace del recurso