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Adequate resources and infrastructure for the exchange of cassava germplasm are discussed according to the type of material received (sexual seed, cuttings, and meristems). The final objective of exchanging cassava germplasm among different countries is to obtain improved var.; in order to do so,...

Se analizan los recursos y la infraestructura adecuados para el intercambio de germoplasma de yuca segun el tipo de material que se reciba (semilla sexual, estacas y meristemas). El objetivo final del intercambio de yuca entre diferentes paises es obtener var. mejoradas; para lograrlo se requiere...

Bacterial wilt, caused by Ralstonia solanacearum, is emerging as a major threat to potato production in Ethiopia, reaching epidemic proportions in the Chencha district recently, with a prevalence of 97% of potato fields in 2015. The recent disease outbreak in the district coincided with a signifi...

Although lateness will continue to be sought as a route to absolute max. yield in the CIAT Bean Program, overall work on yield potential is also being directed toward other groups of materials including medium- and large-seeded lines and early maturing lines. It has consistently been observed tha...

Aunque se continuara buscando la madurez tardia como una via al rendimiento max. absoluto en el Programa de Frijol del CIAT, el trabajo en general sobre potencial de rendimiento tambien se esta dirigiendo hacia otros grupos de materiales que incluyen lineas de semilla mediana y grande y lineas de...

The CIAT Bean Program uses a 3-stage progeny evaluation program asfollows: (a) the VEF, which in 1984 contained 1004 entries distributed in 10 groups according to seed color and size, growth habit (bush or climbing), and climatic adaptation; (b) the EP, which consisted of 446 entries and 38 contr...

El Programa de Frijol del CIAT utiliza un programa de evaluacion de progenie de 3 etapas como sigue: a) el VEF, que en 1984 contenia 1004 entradas distribuidas en 10 grupos segun el color y tamano de la semilla, habito de crecimiento (arbustivo o voluble) y adaptacion climatica; b) el EP, que con...

The activities on character deployment involve the recombination or use of desirable characters (e.g., level of resistance to diseases and insect pests, tolerance to drought, ability to fix atmospheric N) in commercial cv., according to the needs of the particular production region for which the ...

Las actividades en despliegue de caracteres involucran la recombinacion o uso de caracteres deseables (como nivel de resistencia a enfermedades y plagas, tolerancia a sequia, capacidad fijadora de N atmosferico) en cv. comerciales, de acuerdo con las necesidades de la region productora especifica...

The collection of Phaseolus of the CIAT Genetic Resources Unit reached a total of 34,312 accessions in 1984. Of these, 89.0 percent corresponds to P. vulgaris, 7.0 percent to P. lunatus, 3.5 percent to P. coccineus, 0.6 percent to P. acutifolius, and 0.2 percent to wild noncultivated species. An ...

La coleccion de Phaseolus de la Unidad de Recursos Geneticos del CIAT alcanzo un total de 34,312 accesiones en 1984. De estas, el 89.0 por ciento corresponde a P. vulgaris, 7.0 por ciento a P. lunatus, 3.5 por ciento a P. coccineus, 0.6 por ciento a P. acutifolius y 0.2 por ciento a especies silv...

Although lateness will continue to be sought as a route to absolute max. yield in the CIAT Bean Program, overall work on yield potential is also being directed toward other groups of materials including medium- and large-seeded lines and early maturing lines. It has consistently been observed tha...

Aunque se continuara buscando la madurez tardia como una via al rendimiento max. absoluto en el Programa de Frijol del CIAT, el trabajo en general sobre potencial de rendimiento tambien se esta dirigiendo hacia otros grupos de materiales que incluyen lineas de semilla mediana y grande y lineas de...

The activities on character deployment involve the recombination or use of desirable characters (e.g., level of resistance to diseases and insect pests, tolerance to drought, ability to fix atmospheric N) in commercial cv., according to the needs of the particular production region for which the ...

Las actividades en despliegue de caracteres involucran la recombinacion o uso de caracteres deseables (como nivel de resistencia a enfermedades y plagas, tolerancia a sequia, capacidad fijadora de N atmosferico) en cv. comerciales, de acuerdo con las necesidades de la region productora especifica...

The CIAT Bean Program uses a 3-stage progeny evaluation program asfollows: (a) the VEF, which in 1984 contained 1004 entries distributed in 10 groups according to seed color and size, growth habit (bush or climbing), and climatic adaptation; (b) the EP, which consisted of 446 entries and 38 contr...

El Programa de Frijol del CIAT utiliza un programa de evaluacion de progenie de 3 etapas como sigue: a) el VEF, que en 1984 contenia 1004 entradas distribuidas en 10 grupos segun el color y tamano de la semilla, habito de crecimiento (arbustivo o voluble) y adaptacion climatica; b) el EP, que con...