Cassava varietal improvement in Asia

In April 1983 a branch of CIAT's Cassava Program was established in Bangkok, Thailand, to help Asian national cassava programs utilize CIAT technology more directly; CIAT's main involvement is in germplasm utilization and development, training, and communications. Sexual seeds have been the major me...

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Main Author: International Center for Tropical Agriculture
Format: Book Chapter
Language:Inglés
Published: International Center for Tropical Agriculture 1981
Subjects:
Online Access:https://hdl.handle.net/10568/82409
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author International Center for Tropical Agriculture
author_browse International Center for Tropical Agriculture
author_facet International Center for Tropical Agriculture
author_sort International Center for Tropical Agriculture
collection Repository of Agricultural Research Outputs (CGSpace)
description In April 1983 a branch of CIAT's Cassava Program was established in Bangkok, Thailand, to help Asian national cassava programs utilize CIAT technology more directly; CIAT's main involvement is in germplasm utilization and development, training, and communications. Sexual seeds have been the major means of germplasm transfer, and during the last 10 yr more than 100,000 hybrid seeds from approx. 1800 crosses have been distributed to cassava breeding programs in Thailand, Indonesia, Philippines, China, Malaysia, India, Vietnam, and Republic of China (Taiwan). In Thailand CIAT germplasm has been effectively evaluated and used, and in Malaysia proper evaluation has been made. In the Philippines, cassava production has increased. Due to limited resources Indonesia is struggling to achieve a scheme of germplasm evaluation and utilization that satisfies national needs. India is not interested in CIAT germplasm due to its lack of mosaic resistance. Finally, in China lowland materials are being tested in subtropical climates. Tables and figures of results of yield trials of different clones and countries are included. (CIAT)
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publishDate 1981
publishDateRange 1981
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spelling CGSpace824092025-11-05T17:01:52Z Cassava varietal improvement in Asia International Center for Tropical Agriculture manihot esculenta clones cultivars development germplasm breeding propagation materials seed selection fitomejoramiento selección semillas In April 1983 a branch of CIAT's Cassava Program was established in Bangkok, Thailand, to help Asian national cassava programs utilize CIAT technology more directly; CIAT's main involvement is in germplasm utilization and development, training, and communications. Sexual seeds have been the major means of germplasm transfer, and during the last 10 yr more than 100,000 hybrid seeds from approx. 1800 crosses have been distributed to cassava breeding programs in Thailand, Indonesia, Philippines, China, Malaysia, India, Vietnam, and Republic of China (Taiwan). In Thailand CIAT germplasm has been effectively evaluated and used, and in Malaysia proper evaluation has been made. In the Philippines, cassava production has increased. Due to limited resources Indonesia is struggling to achieve a scheme of germplasm evaluation and utilization that satisfies national needs. India is not interested in CIAT germplasm due to its lack of mosaic resistance. Finally, in China lowland materials are being tested in subtropical climates. Tables and figures of results of yield trials of different clones and countries are included. (CIAT) En abril de 1983, se establecio una rama del Programa de Yuca del CIAT en Bangkok, Tailandia, para ayudar a los programas nacionales de yuca en Asia a utilizar la tecnologia del CIAT mas directamente; el principal papel del CIAT es el desarrollo y utilizacion de germoplasma, capacitacion y comunicaciones. Las semillas sexuales han sido el mayor medio de transferencia de germoplasma y durante los ultimos 10 anos mas de 100,000 semillas hibridas de aprox. 1800 cruces han sido distribuidas a los programas de mejoramiento de yuca en Tailandia, Indonesia, Filipinas, China, Malaysia, India, Vietnam y Republica de China (Taiwan). En Tailandia el germoplasma del CIAT ha sido evaluado y utilizado efectivamente, y en Malaysia se ha hecho una evaluacion apropiada. En Filipinas la produccion de yuca ha aumentado. Debido a recursos limitados, Indonesia esta luchando por lograr un esquema de evaluacion y utilizacion de germoplasma que satisfaga las necesidades nacionales. India no esta interesada en el germoplasma del CIAT por la falta de resistencia al mosaico. Finalmente, en China se estan ensayando materiales de tierras bajas en climas subtropicales. Se incluyen cuadros y graficas de los resultados de ensayos de rendimiento de diferentes clones y paises. (CIAT) 1981 2017-06-20T09:02:08Z 2017-06-20T09:02:08Z Book Chapter https://hdl.handle.net/10568/82409 en Open Access application/pdf International Center for Tropical Agriculture Cassava varietal improvement in Asia.1981.In: Centro Internacional de Agricultura Tropical. Cassava Program: Annual Report 1984 . CIAT, Cali, CO. p. 15-31. (Working document no. 1)
spellingShingle manihot esculenta
clones
cultivars
development
germplasm
breeding
propagation materials
seed
selection
fitomejoramiento
selección
semillas
International Center for Tropical Agriculture
Cassava varietal improvement in Asia
title Cassava varietal improvement in Asia
title_full Cassava varietal improvement in Asia
title_fullStr Cassava varietal improvement in Asia
title_full_unstemmed Cassava varietal improvement in Asia
title_short Cassava varietal improvement in Asia
title_sort cassava varietal improvement in asia
topic manihot esculenta
clones
cultivars
development
germplasm
breeding
propagation materials
seed
selection
fitomejoramiento
selección
semillas
url https://hdl.handle.net/10568/82409
work_keys_str_mv AT internationalcenterfortropicalagriculture cassavavarietalimprovementinasia