Juan Carlos Rosas
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View article: Group‐based and citizen science on‐farm variety selection approaches for bean growers in Central America
Group‐based and citizen science on‐farm variety selection approaches for bean growers in Central America Open
Participatory approaches for crop variety testing can help breeding teams to incorporate traditional knowledge and consider site‐specific sociocultural complexities. However, traditional participatory approaches have drawbacks and are seld…
View article: The tricot approach: an agile framework for decentralized on-farm testing supported by citizen science. A retrospective
The tricot approach: an agile framework for decentralized on-farm testing supported by citizen science. A retrospective Open
View article: Respuesta de variedades criollas y mejoradas de maíz a la fertilización e inoculación con hongos micorrizas-arbusculares en un suelo de baja fertilidad
Respuesta de variedades criollas y mejoradas de maíz a la fertilización e inoculación con hongos micorrizas-arbusculares en un suelo de baja fertilidad Open
El cultivo de maíz (Zea mays, L.) en suelos de baja fertilidad representa un desafío para los agricultores de Centroamérica. En este estudio, se evaluó el comportamiento agronómico de variedades de maíz en un suelo de baja fertilidad y su …
View article: Release of tepary bean cultivar ‘USDA Fortuna’ with improved disease and insect resistance, seed size, and culinary quality
Release of tepary bean cultivar ‘USDA Fortuna’ with improved disease and insect resistance, seed size, and culinary quality Open
Tepary bean ( Phaseolus acutifolius A. Gray) is a viable and nutritious alternative to common bean ( P. vulgaris L.) in areas with excessively high temperatures and/or chronic drought. Tepary bean is a traditional crop of the Tohono O'odha…
View article: Comportamiento agronómico de germoplasma de frijol común en condiciones de altas temperaturas en el Sur de Honduras
Comportamiento agronómico de germoplasma de frijol común en condiciones de altas temperaturas en el Sur de Honduras Open
La producción de frijol común (Phaseolus vulgaris L.) en Centro América es amenazada por incrementos de temperatura, causados por el cambio climático y la expansión de la producción en áreas bajas y calurosas como en el Peten de Guatemala,…
View article: Comportamiento agronómico de variedades criollas y mejoradas de maíz en un suelo de baja fertilidad
Comportamiento agronómico de variedades criollas y mejoradas de maíz en un suelo de baja fertilidad Open
El maíz (Zea mays L.) es uno de los granos básicos más importantes para la seguridad alimentaria y nutricional en Centro América; sin embargo, es producido mayormente por pequeños agricultores en suelos de baja fertilidad, principalmente n…
View article: Longitudinal changes of health-related quality of life over 10 years in breast cancer patients treated with radiotherapy following breast-conserving surgery
Longitudinal changes of health-related quality of life over 10 years in breast cancer patients treated with radiotherapy following breast-conserving surgery Open
Purposes The study intended to (1) assess changes of health-related quality of life (HRQoL) between early treatment-related time points and 10 years post-treatment in a cohort of breast cancer (BC) patients who received radiotherapy (RT), …
View article: Seeds that give revisited: Participatory plant breeding and rural revitalization
Seeds that give revisited: Participatory plant breeding and rural revitalization Open
In 2003, the International Development Research Centre (IDRC) of Canada published “Seed that give. Participatory plant breeding,” synthesizing the achievements and lessons learned of the first 10 (pioneering) years of participatory plant b…
View article: Rank‐based data synthesis of common bean on‐farm trials across four Central American countries
Rank‐based data synthesis of common bean on‐farm trials across four Central American countries Open
Location‐specific information is required to support decision making in crop variety management, especially under increasingly challenging climate conditions. Data synthesis can aggregate data from individual trials to produce information …
View article: Contribuições na logística de entrega urbana expressa de última milha usando grandes instâncias reais de cidades brasileiras
Contribuições na logística de entrega urbana expressa de última milha usando grandes instâncias reais de cidades brasileiras Open
Neste artigo, o problema de roteamento de veículos com janelas de tempo é abordado, como forma de incorporar características de dinamicidade da cadeia logística de entregas expressas, explorando aspectos teóricos que melhor definem o probl…
View article: NAC Candidate Gene Marker for bgm-1 and Interaction With QTL for Resistance to Bean Golden Yellow Mosaic Virus in Common Bean
NAC Candidate Gene Marker for bgm-1 and Interaction With QTL for Resistance to Bean Golden Yellow Mosaic Virus in Common Bean Open
Genetic resistance is the primary means for control of Bean golden yellow mosaic virus (BGYMV) in common bean ( Phaseolus vulgaris L. ). Breeding for resistance is difficult because of sporadic and uneven infection across field nurseries. …
View article: Single and Multi-trait GWAS Identify Genetic Factors Associated with Production Traits in Common Bean Under Abiotic Stress Environments.
Single and Multi-trait GWAS Identify Genetic Factors Associated with Production Traits in Common Bean Under Abiotic Stress Environments. Open
The genetic improvement of economically important production traits of dry bean (Phaseolus vulgaris L.), for geographic regions where production is threatened by drought and high temperature stress, is challenging because of the com…
View article: Seedling root architecture and its relationship with seed yield across diverse environments in Phaseolus vulgaris
Seedling root architecture and its relationship with seed yield across diverse environments in Phaseolus vulgaris Open
Seedling root phenotypes may have important impacts on fitness and are more easily measured than mature root phenotypes. We phenotyped the roots of 577 genotypes of common bean (Phaseolus vulgaris), representing the bulk of the genetic div…
View article: Crop variety management for climate adaptation supported by citizen science
Crop variety management for climate adaptation supported by citizen science Open
Crop adaptation to climate change requires accelerated crop variety introduction accompanied by recommendations to help farmers match the best variety with their field contexts. Existing approaches to generate these recommendations lack sc…
View article: FIELD EVALUATION OF COMMON BEAN FOR REACTION TO WEB BLIGHT AND HIGH TEMPERATURE
FIELD EVALUATION OF COMMON BEAN FOR REACTION TO WEB BLIGHT AND HIGH TEMPERATURE Open
Resumen en inglés
View article: FIRST EXPERIENCES WITH A NOVEL FARMER CITIZEN SCIENCE APPROACH: CROWDSOURCING PARTICIPATORY VARIETY SELECTION THROUGH ON-FARM TRIADIC COMPARISONS OF TECHNOLOGIES (TRICOT)
FIRST EXPERIENCES WITH A NOVEL FARMER CITIZEN SCIENCE APPROACH: CROWDSOURCING PARTICIPATORY VARIETY SELECTION THROUGH ON-FARM TRIADIC COMPARISONS OF TECHNOLOGIES (TRICOT) Open
SUMMARY Rapid climatic and socio-economic changes challenge current agricultural R&D capacity. The necessary quantum leap in knowledge generation should build on the innovation capacity of farmers themselves. A novel citizen science me…
View article: Opportunities Seized, Opportunities Missed: Differences in the Economic Impact of Bean Research in Five Latin American Countries
Opportunities Seized, Opportunities Missed: Differences in the Economic Impact of Bean Research in Five Latin American Countries Open
Over the past 20 years, the national systems in Central America and Ecuador have sustainably invested in research to improve varieties of common bean. Previous research has focused on estimating economic benefits realized by new adopters w…
View article: Synergies at the interface of farmer–scientist partnerships: agricultural innovation through participatory research and plant breeding in Honduras
Synergies at the interface of farmer–scientist partnerships: agricultural innovation through participatory research and plant breeding in Honduras Open
Background: The article describes the institutionalization of farmer participatory research and plant breeding that has occurred in Honduras over the past 22 years and demonstrates how this approach can o er a positive response to climate …