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
During the past 16 years the Chinese Academy of Tropical and Agricultural Sciences (CATAS) has made good progress in developing improved cassava varieties for China. Several improved varieties have been released in south China, of which cv. SC124, with high yield and good cold resistance, is alre...
Lin, Xiong
,
Li, Kaimian
,
Zhang, Weite
,
Juang, Jie
,
[Progress in cassava breeding at the Chinese Academy of Tropical and Agric. Sciences (CATAS)]
,
Progress in cassava breeding at the Chinese Academy of Tropical and Agric. Sciences (CATAS)
An analysis of the recent trend in cassava area, production and yield during 1993-96 revealed an impressive increase in Tamil Nadu, which is the predominant state where cassava is grown as an industrial crop. Its present yield of 29 t/ha is the highest in the world. Even though the overall nation...
Nair, S.G.
,
Rajendran, P.G.
,
Naskar, S.K.
,
Sreekumari, M.T.
,
Unnikrishnan, M.
,
Sheela, M.N.
,
[Breeding and varietal improvement of cassava in India]
,
Breeding and varietal improvement of cassava in India
The traditional empirical approach to selection for yield in common bean has met with modest success. Breeding based on the concepts of ideotype, or for specific combinations of physiological traits, and/or for combining ability based on specific genotypic combinations, have not been universally ...
Research and development of a reliable dry land production system for common bean (Phaseolus vulgarisL.) based on low-cost direct seeding and direct harvest methods was initiated at the Crop Development Centre at the University of Saskatchewan in the late 1980s. The target production area is a dr...
Vandenberg, A.
,
Recksiedler, B.
,
Zyla, L.
,
[Development of new plant type for pinto beans: Progress, problem and future prospects]
,
Development of new plant type for pinto beans: Progress, problem and future prospects
El Instituto Agronómico viene desarrollando investigaciones en el mejoramiento de frijol para el Estado de Sao Paulo y para el Brasil desde 1932, lanzado y recomendado para el cultivo, hasta hoy 27 variedades de frijol. En los últimos diez años fueron lanzadas seis nuevas variedades con resistenc...
Carbonell, Sérgio Augusto Morais
,
Pompeu, Antonio Sidney
,
Ito, Margarida Fumiko
,
Yuki, Valdir Atsushi
,
[Mejoramiento de frijol realizado en el Instituto Agronómico - IAC, Sao Paulo, Brasil]
,
Mejoramiento de frijol realizado en el Instituto Agronómico - IAC, Sao Paulo, Brasil
La selección para resistencia horizontal se basa en la utilización de la variabilidad genética de un cultivo, natural o inducida, para acumular características que, en conjunto, permitan incrementar su rendimiento en presencia de los patógenos para los que se busca resistencia. Este proceso debe ...
Ramírez Vallejo, Porfirio
,
Cruz Izquierdo, Serafín
,
Castillo González, Fernando
,
Pacheco Espinoza, J.P.
,
Pastenes Ugalde, G.
,
García Espinosa, Roberto
,
Robinson, R.A.
,
[Caracterización agronómica de líneas de frijol común seleccionadas por resistencia horizontal a patógenos de la mixteca poblana]
,
Caracterización agronómica de líneas de frijol común seleccionadas por resistencia horizontal a patógenos de la mixteca poblana
Los recientes descubrimientos sobre la evolución de frijol y/o agrupación de los frijoles cultivados, en razas con características morfológicas y moleculares semejantes, redireccionarán la estrategia utilizada en el mejoramiento genético de esta leguminosa, con el objetivo de obtener mayores gana...
Carneiro, José Eustáquio de Souza
,
Pereira, Pedro Antônio Arraes
,
Peloso, Maria José del
,
Carneiro, Geraldo Estevam de Souza
,
[Mejoramiento genético de frijol a través de cruzamientos intra e interraciales]
,
Mejoramiento genético de frijol a través de cruzamientos intra e interraciales
La producción de frijol pinto en los Estados Unidos (EEUU) varía entre 450,000 y 650,000 toneladas cada año y constituye 40 a 50% de toda la producción de frijol seco. Los pintos y los "great northerns" (blanco mediano) de la raza Durango del acervo genético mesoamericano (MA) eran cultivados en ...
Brick, Mark A.
,
[Achievements, problems and prospects for breeding pinto beans in North America]
,
Achievements, problems and prospects for breeding pinto beans in North America