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Activities of international cooperation during 1981 are listed. Training courses in cassava production, tissue culture, physiology, and in advanced research for postgraduate work were attended by 38 professionals from 16 countries. From 1973 to 1981 cassava hybrid seeds have been distributed in L...

Se presentan las actividades de cooperacion internacional durante 1981. Se dictaron cursos de capacitacion cientifica sobre produccion de yuca; cultivo de tejidos; fisiologia; y especializacion de posgrado a 38 profesionales de 16 paises. Desde 1973 hasta 1981 se ha distribuido semilla hibrida en...


International Center for Tropical Agriculture[Cooperacion internacional]Cooperacion internacional

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

Neves, Péricles C.F. dasRangel, Paulo Hideo NakanoCutrim, Veridiano dos Anjos[Selección recurrente para la producción de arroz híbrido]Selección recurrente para la producción de arroz híbrido

This paper describes a participatory maize breeding program that is a collaborative project between Birs, Agricultural University and the KRlBHCO Indo-British Rain fed Farming Project (East). At the beginning of the project, a base population was produced in Ihe rainy season of 1997 by making nin...


Kumar, ArunGanguli, D.K.Prasad, S.C.Gangwar, J.S.Virk, Daljit S.Witcombe, John R.[Participatory plant breeding in maize for the Chhotanagpur plateau of Eastern India]Participatory plant breeding in maize for the Chhotanagpur plateau of Eastern India
Autor: Thamburaj, S.

Cassava is cultivated in Tamil Nadu in an area of 85,983 ha with an annual production of about 2.5 million t of roots (1993-94). At the world level, Tamil Nadu ranks first in yield, with 28.7 t/ha, as compared to the Indian average of 22.8 and a world average of 9.6 t/ha. In Tamil Nadu cassava is...


Thamburaj, S.[Cassava research program at Tamil Nadu Agricultural University (TNAU) in India]Cassava research program at Tamil Nadu Agricultural University (TNAU) in India

In recent years cassava has become an important raw material for various domestic needs (food, feed, alcohol and high fructose sugar). To cope with high demand for cassava roots the breeding and selection program has been intensified to identify varieties that are high yielding and having high st...


Mariscal, Algerico M.Bergantin, Reynaldo V.[Recent progress in cassava varietal improvement in the Philippines]Recent progress in cassava varietal improvement in the Philippines

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[Mejoramiento varietal]Mejoramiento varietal

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