Descubre y comparte nuestro conocimiento público

Se han encontrado 138 recursos

Resultados de búsqueda

Since considerable progress has been made in the yielding ability and disease resistance through single-trait selection of cassava material for HI, branching type, or resistance to CBB (Xanthomonas campestris pv. manihotis) and superelongation [Sphaceloma (Elsinoe) manihoticola], emphasis in sele...

Debido a que se han obtenido considerales progresos en la capacidad de rendimiento y en la resistencia a enfermedades mediante la seleccion de materiales de yuca por sus caracteristicas individuales en relacion con IC, tipo de ramificacion o resistencia a CBB (Xanthomonas capestris pv. manihotis)...


International Center for Tropical Agriculture[Varietal improvement]Varietal improvement

The etiology, symptomatology, cultural and chemical control measures, and general aspects of control through var. resistance to bean diseases are described for the bacterial pathogens Pseudomonas syringae pv. phaseolicola and Xanthomonas campestris pv. phaseoli. Some var. resistant to these patho...

Se describen la etiologia, sintomatologia, medidas de control cultural y quimico, y aspectos generales de control por resistencia var. de las enfermedades del frijol causadas por los patogenos bacterianos Pseudomonas syringae pv. phaseolicola y Xanthomonas campestris pv. phaseoli. Se mencionan al...


Pastor Corrales, Marcial A.[Enfermedades del frijol causadas por bacterias]Enfermedades del frijol causadas por bacterias

Over the period 1994-1996, seven batches of seeds and two of meristem tissue cultures were evaluated and selected. As important as root yield is the trait starch content (or dry matter content) if a clone is to be accepted as a starch cultivar. At the time of reporting a number of clones have bee...


Tan, Swee Lian[Varietal improvement and agronomy research in Malaysia]Varietal improvement and agronomy research in Malaysia

The general objectives of CIAT's bean entomology program are mentioned. The 1st priority has been given to var. resistance as an ideal pest control method. At CIAT's headquarters (Palmira, Colombia), studies are conducted on Empoasca kraemeri, mites, and storage insects; var. resistance to Apion ...

Se mencionan los objetivos generales del programa de entomologia de frijol del CIAT. La mayor prioridad se ha dado a la resistencia var. como metodo ideal de control de plagas. En la sede principal del CIAT (Palmira, Colombia) se adelantan estudios con Empoasca kraemeri, acaros e insectos del fri...


Cardona, C.Zuniga, T[Metodologia de investigacion en entomologia de frijol]Metodologia de investigacion en entomologia de frijol

This paper describes a participatory plant-breeding (PPB) program for rice in eastern India, targeted at a range of ecosystems. Only a few crosses with large populations were used. Most resources were used on selection by farmers among progeny bulks grown on a research station, but farmers also s...


Kumar, RaviSingh, D.N.Prasad, S.C.Gangwar, J.S.Virk, Daljit S.Witcombe, John R.[Participatory plant breeding in rice in Eastern India]Participatory plant breeding in rice in Eastern India

Chaves, Lázaro José[Criterios para escoger progenitores para un programa de selección recurrente]Criterios para escoger progenitores para un programa de selección recurrente

Teitzel, J.KCameron, Donald G.Anning, PhillipStockwell, T.G.[Experiencia regional con Centrosema:Australia]Experiencia regional con Centrosema:Australia
Autor: Ortega, J.

Strategies for managing the problem of soil acidity without making massive lime applications are proposed. The 1st strategy consists of the addition of lime to reduce Al saturation, taking into account 3 basic considerations: dose determination, utilization of good quality materials for liming, a...

Se proponen estrategias para manejar el problema de la acidez de los suelos sin hacer aplicaciones masivas de cal. La primera estrategia consiste en la adicion de cal para reducir la saturacion de Al, teniendo en cuenta 3 consideraciones basicas: determinacion de la dosis, utilizacion de material...


Ortega, J.[Manejo de la acidez y encalamiento de los suelos]Manejo de la acidez y encalamiento de los suelos

Selecciona los documentos para visualizarlos

Nombre del archivo Ver recurso