Several important aspects of the use of molecular markers in cassava germplasm characterization and in plant breeding programs are indicated. Basic concepts considered include protein and DNA electrophoresis. In the case of cassava, isoenzyme electrophoresis was applied to confirm duplicates dete...
Ramírez, H.
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Calderón, A.
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Roca, William M.
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[Tecnicas moleculares para evaluar y mejorar el germoplasma vegetal]
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Tecnicas moleculares para evaluar y mejorar el germoplasma vegetal
Several techniques used to eliminate viruses from cassava are described, namely heat therapy, apical tissue culture, and micropropagation. Virological tests to index cassava viruses are also indicated as follows: ELISA, dsRNA, mechanical inoculation of leaf sap in plants on Chenopodium quinoa, an...
Roca, William M.
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Nolt, Barry L.
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Mafla, G.
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Roa E, J.C.
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Reyes, R.
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[Eliminacion de virus y propagacion de clones en la yuca (Manihot esculenta Crantz)]
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Eliminacion de virus y propagacion de clones en la yuca (Manihot esculenta Crantz)
In vitro conservation strategies are reviewed, with special reference to in vitro active and basic gene banks; likewise, important aspects that should be considered for in vitro conservation, such as regeneration, viability, genetic stability, and information systematization, are discussed. The 2...
Lozano, J. Carlos
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Toro, Julio C.
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Castro, Abelardo
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Bellotti, Anthony C.
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[Seleccion y preparacion de estacas de yuca para siembra]
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Seleccion y preparacion de estacas de yuca para siembra
The success of Thailand`s cassava var. Rayong 3 is highlighted, particularly between cassava starch producers. Compared with Rayong 1, its fresh root yield is almost the same, starch production is higher, and drying time is shorter (2 vs. 3 days). Farmers planting Rayong 3 increased their revenue...
International Center for Tropical Agriculture
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[Rayong 3: Excepcional acogida de una variedad de yuca para almidon]
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Rayong 3: Excepcional acogida de una variedad de yuca para almidon
Work with cassava in CIAT`s Biotechnology Research Unit covered 2 major areas: in vitro culture techniques and techniques for the analysis of genetic variability. Work was carried out on virus elimination, micropropagation, and germplasm exchange and conservation as well as on the development of ...
Women`s participation in cassava starch extraction and marketing in Manabi Province, Ecuador, within the context of an integrated cassava project is discussed. Historical/institutional background information is provided. Particular reference is made to the San Vicente de Bijahual association, whi...
International Center for Tropical Agriculture
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[Genetic base of cassava and related Manihot especies evaluated and available for cassava improvement: higher commercial value: Output 2]
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Genetic base of cassava and related Manihot especies evaluated and available for cassava improvement: higher commercial value: Output 2