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RTCs are not a priority crop in Myanmar, but there is still significant growth in production and demand, particularly potato and cassava. Information from farmers and other stakeholders in the RTC sector revealed various concerns and issues affecting RTC development in the study sites in terms of...

This 14-minute video describes the protocol used for the collection of female flowers at different ages after anthesis and the development of a protocol of early embryo rescue. The production of doubled haploids through different gynogenesis approaches usually require an early rescue of embryos w...

There are various viruses transmitted by aphids that infect beans in almost all countries; (1) BCMV causes yield losses from 35- 98 percent according to the var., time of infection and environmental conditions. The virus can attack any part of the plant and produces 3 types of symptoms: mosaic, n...

Existen varios virus transmitidos por afidos que infectan el frijol y se encuentran en casi todos los paises, 1) El BCMV ocasiona perdidas en el rendimiento que varian de 35-98 por ciento segun la var., la edad al momento de la infeccion, y las condiciones ambientales. El virus puede atacar cualq...

There are various viruses transmitted by aphids that infect beans in almost all countries; (1) BCMV causes yield losses from 35- 98 percent according to the var., time of infection and environmental conditions. The virus can attack any part of the plant and produces 3 types of symptoms: mosaic, n...

Existen varios virus transmitidos por afidos que infectan el frijol y se encuentran en casi todos los paises, 1) El BCMV ocasiona perdidas en el rendimiento que varian de 35-98 por ciento segun la var., la edad al momento de la infeccion, y las condiciones ambientales. El virus puede atacar cualq...

Research carried out by CIAT on specific character improvement is described and the results obtained in the following studies are given: resistance to viral (BCMV, combined BCMV and BYMV, bean chlorotic mottle virus, and BGMV), fungal (anthracnose, angular leaf spot, rust, and web blight), and ba...

Se describen las investigaciones realizadas por CIAT sobre mejoramiento del caracter especifico y se presentan los resultados obtenidos sobre: resistencia a enfermedades virales (BCMV, combinacion de BCMV y BYMV, virus del moteado clorotico del frijol y BGMV), fungicas (antracnosis, mancha foliar...

The factors affecting the quality of cassava roots were studied: var. and age of the plant; DM, starch, and sugar contents in the roots; cyanide contents in leaves and roots. Roots of bitter var. CMC-84 showed higher DM contents than those of sweet var. CMC- 40. Total and reducing sugar contents ...

Se estudiaron los factores que afectan la calidad de las raices como: var.; edad de la planta; contenidos de MS, almidon y azucares en la raiz; y contenidos de cianuro en hojas y raices. Las raices de la var. amarga CMC-84 presentaron mayor contenido de MS que la var. dulce CMC-40. Los contenidos...

Information on the nutritional quality of cassava roots and leaves (chemical composition, root HCN content) and the use of these products in nutrition programs for domesticated animals, especially poultry and pigs, is reviewed. In feeding trials no differences were found regarding the production ...

Se presenta una revision de la informacion relacionada con la calidad nutricional de las raices y hojas de yuca (composicion quimica, contenido de HCN en las raices) y con la utilizacion de estos productos en programas de alimentacion para animales domesticos, especialmente para aves de corral y ...

Different aspects related to deterioration, treatments to extend cassava root durability, and root storage practices are briefly reviewed. The initiation and subsequent level of deterioration of cassava roots is closely related to the presence of mechanical damage which is normally caused at harv...

Se revisan brevemente los diferentes aspectos relacionados con la deterioracion, los tratamientos para extender la durabilidad de las raices de yuca y las practicas de almacenamiento de las mismas. El inicio y el grado posterior de deterioracion de las raices esta estrechamente relacionado con la...

During 1981 genotype evaluation and selection continued at the ICA (Instituto Colombiano Agropecuario)-Caribia and the ICA-CIAT- Carimagua stations and at CIAT-Palmira, considered representative sites, resp., of (1) low-input technology with medium to high fertility soils in hot, lowland tropics ...

Durante 1981 se continuo la evaluacion y seleccion de genotipos en ICA (Instituto Colombiano Agropecuario)-Caribia, ICA-CIAT- Carimagua y CIAT--Palmira que son sitios representativos, resp., de tecnologias de 1) bajos insumos en suelos de fertilidad intermedia- alta en el tropico calido de tierra...

During 1981 the introduction of germplasm was continued with an additional 147 clones from Brazil in the form of aseptic meristem cultures. Cassava germplasm bank evaluation for adaptation, resistance to diseases and pests, yield, and root quality is in progress in the north coast of Colombia (Me...

Durante 1981 se continuo la introduccion de germoplasma, especialmente 147 clones de Brasil en la forma de cultivo de meristemos. Se siguio la evaluacion del banco de germoplasma de yuca por su adaptacion, resistencia a enfermedades y plagas rendimiento y calidad de las raices en la Costa Norte d...