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...
The etiology, symptomatology, cultural and chemical control measures, and general aspects of control through var. resistance to bean diseases are described for the bacterial pathogens Pseudomonas syringae pv. phaseolicola and Xanthomonas campestris pv. phaseoli. Some var. resistant to these patho...
Se describen la etiologia, sintomatologia, medidas de control cultural y quimico, y aspectos generales de control por resistencia var. de las enfermedades del frijol causadas por los patogenos bacterianos Pseudomonas syringae pv. phaseolicola y Xanthomonas campestris pv. phaseoli. Se mencionan al...
Bacterial wilt (Corynebacterium flaccumfaciens) has been registered in the USA, but its existence in Latin America is unknown. Drought and temp. more than 32 degrees C are favorable conditions for disease development. The bacterium infects plants through the seed and wounds on aerial plant organs...
El marchitamiento bacteriano del frijol (Corynebacterium flaccumfaciens), se registra en los EE.UU., pero se ignora si existe en America Latina. La sequia y las temp. superiores a 32 grados C son condiciones favorables para el desarrollo de la enfermedad. La bacteria infecta las plantas a traves ...
The problem of fertilizer recommendations is discussed and each criterion to be considered is analyzed: amount of nutrients in the soil, crop requirements, fertilizer efficiency, and economic aspect of fertilization. A list of some var. tolerant to adverse soil conditions (low P, high Al) is pres...
Se discute el problema de la recomendacion de fertilizantes y se analizan cada uno de los criterios a considerarse: cantidad de nutrimentos que tiene el suelo, requerimientos del cultivo, eficiencia de los fertilizantes y aspecto economico de la fertilizacion. Se presentan una lista de algunas va...
Flor Montoya, Carlos A.
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[Revision de algunos criterios sobre la recomendacion de fertilizantes en frijol]
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Revision de algunos criterios sobre la recomendacion de fertilizantes en frijol
The results of regional trials for promising cassava var. under uniform improved technology are given. Trials were conducted in Media Luna, Chigorodo, Carimagua, Rio Negro, San Martin, CIAT- Palmira, CIAT-Quilichao, and Caicedonia. In 7 of the 8 sites, var. M COL 1684, CM 342-55, and CM 489-1 out...
Se presentan los resultados de las pruebas regionales para obtener var. promisorias de yuca con tecnologia uniforme mejorada. Se realizaron evaluaciones en Media Luna, Chigorodo, Carimagua, Rio Negro, San Martin, CIAT-Palmira, CIAT-Quilichao y Caicedonia. En 7 de los 8 sitios evaluados, las var. ...
Two expt. were conducted to: (1) examine the application and other implications of the pressure/vol. technique (P/V) in the study of water stress in the cassava plant and (2) determine the relation of the water content in the tissue and its water potential. The P/V technique was used with branche...
Se realizaron 2 expt. para: 1) examinar la aplicacion y otras implicaciones de la tecnica de presion/vol. (P/V) en el estudio del estres de agua en la planta de yuca y 2) determinar la relacion del contenido de agua en el tejido y su potencial hidrico. Se utilizo la tecnica de P/V con ramas de la...
Palta, J.A.
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[Some aspects of tissue water relations in cassava plant (Manihot esculenta Crantz) and their ecological interpretation]
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Some aspects of tissue water relations in cassava plant (Manihot esculenta Crantz) and their ecological interpretation
The general objectives of CIAT's bean entomology program are mentioned. The 1st priority has been given to var. resistance as an ideal pest control method. At CIAT's headquarters (Palmira, Colombia), studies are conducted on Empoasca kraemeri, mites, and storage insects; var. resistance to Apion ...
Se mencionan los objetivos generales del programa de entomologia de frijol del CIAT. La mayor prioridad se ha dado a la resistencia var. como metodo ideal de control de plagas. En la sede principal del CIAT (Palmira, Colombia) se adelantan estudios con Empoasca kraemeri, acaros e insectos del fri...
