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Los principales insectos fitófagos que merman la productividad del frijol en el altiplano mexicano son la conchuela (Epüachna varívestis Mulsant) y el picudo del ejote (Apion spp). El picudo del ejote, o de la vaina, se presenta en México, Guatemala, Honduras y El Salvador. En México se considera...


Garza García, Ramón[Avances en la búsqueda de mecanismos de resistencia a Apion godmani Wagner (Coleoptera: curculionidae)]Avances en la búsqueda de mecanismos de resistencia a Apion godmani Wagner (Coleoptera: curculionidae)

La importancia del frijol (Phaseolus vulgaris L.) en la dieta alimenticia del pueblo brasilero se refleja por la área sembrada (3,440,895 ha) y por la producción (2,477,947 TM) que contribuyen para que el consumo por persona/año fuera de 17.24 kg en 1995. En el estado de Rio Grande del Sul (RS), ...


Antunes, Irajá FerreiraSilveira, Expedito Paulo[Dez anos de pesquisa em melhoramento genñetico do feijao (Phaseolus vulgaris L.) na EMBRAPA/CPACT, Pelotas, RS, Brasil]Dez anos de pesquisa em melhoramento genñetico do feijao (Phaseolus vulgaris L.) na EMBRAPA/CPACT, Pelotas, RS, Brasil

Los recientes descubrimientos sobre la evolución de frijol y/o agrupación de los frijoles cultivados, en razas con características morfológicas y moleculares semejantes, redireccionarán la estrategia utilizada en el mejoramiento genético de esta leguminosa, con el objetivo de obtener mayores gana...


Carneiro, José Eustáquio de SouzaPereira, Pedro Antônio ArraesPeloso, Maria José delCarneiro, Geraldo Estevam de Souza[Mejoramiento genético de frijol a través de cruzamientos intra e interraciales]Mejoramiento genético de frijol a través de cruzamientos intra e interraciales

This paper attempts to highlight the fact that it is time to criticality rethink the use of the participatory paradigm in research and development. The notion of participation is not only highly debated but also heavily misused and abused in research and development discourses. Rhetorically, almo...


Upreti, Bishnu Raj[Rethinking the participatory paradigm in plant breeding: A nombreeder's perspective]Rethinking the participatory paradigm in plant breeding: A nombreeder's perspective

Effective management and conservation of genetic resources on-farm takes place where the genetic resources are valued and used to meet the needs of local communities. The in situ conservation project supported by the International Plant Genetic Resources Institute (IPGRI) in Nepal recognizes that...


Rijal, D.K.Rana, Ram B.Upadhyay, M.P.Joshi, Krishna D.Gauchan, DevendraSubedi, A.Mudwari, A.Khatiwada, S.P.Sthapit, B.R.[Adding benefits to local crop diversity as a sustainable means of on-farm conservation: A case study of an in situ project from Nepal]Adding benefits to local crop diversity as a sustainable means of on-farm conservation: A case study of an in situ project from Nepal

Crop improvement has been one of the strong, continuous programs in the Mekong Delta for major crops, especially rice. However, most breeding programs have been set and designed by breeders, neglecting the role of users: farmers and farming communities. Farmers have been the passive users, receiv...


Nguyen, Ngoc De[Participatory approach to crop improvement at the community level in Vietnam]Participatory approach to crop improvement at the community level in Vietnam

In this paper CONSERVE's experiences in handling two research approaches in participatory plant breeding in rice are discussed: researcher-managed or on-station trials (OSTs) and farmer-managed trials. OSTs are done on CONSERVE's farm. CONSERVE crosses (CC) were used as materials for evaluation o...


Ginogaling, Gilda T.[Conserve's experience and work on participatory plant breeding in rice]Conserve's experience and work on participatory plant breeding in rice

Participatory research, including participatory plant breeding (PPB), is now a recognized option for improving Ibe Livelihood security of unreached fanners. Tribal fanners in India provide an ideal group for testing the potential of participatory interventions. They live in remote areas, are inte...


Arunachalam, V.[Participatory improvement of rice crops with tribal farmers in India]Participatory improvement of rice crops with tribal farmers in India

La producción de frijol pinto en los Estados Unidos (EEUU) varía entre 450,000 y 650,000 toneladas cada año y constituye 40 a 50% de toda la producción de frijol seco. Los pintos y los "great northerns" (blanco mediano) de la raza Durango del acervo genético mesoamericano (MA) eran cultivados en ...


Brick, Mark A.[Achievements, problems and prospects for breeding pinto beans in North America]Achievements, problems and prospects for breeding pinto beans in North America

La asociación de maíz frijol ha sido una forma importante de cultivar estas dos especies, debido a que son complemento tanto a nivel de cultivo en condiciones de campo, como de alimentos para los mexicanos. En México, en 1969, se sembraron aproximadamente 500 mil ha en asociación, para 1977 bajó ...


Núñez González, Samuel[Mejoramiento de frijol voluble de la raza jalisco para el altiplano mexicano]Mejoramiento de frijol voluble de la raza jalisco para el altiplano mexicano

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