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Efecto de la inoculación de frijol en zonas de temporal en Durango [México].
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-07)
Since 1978, bean inoculation in areas under water stress in the State of Durango have been observed. The project started with the isolation and selection of Rhizobiurn phaseoli strains from uninoculated bean plant nodules. ...
Comportamiento de 20 genotipos de frijol (Phaseolus vulgaris L.) a infecciones de la mustia hilachosa en el Estado de Tabasco, Mexico
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-10)
A field experiment was carried out to evaluate the effect of the web bligh disease (Thanatephorus cucumeris = Rhizoctonia microesclerotia) on twenty lines of Phaseolus vulgaris in Tabasco, Mexico. The index of infection ...
Incidencia de Azospirillum en algunas gramíneas del tropico subhúmedo cálido de México
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-01)
Number and identification of Azospirillum species were determined in the rhizosphere and roots of maize in 3 different biasses (l anicum maximum, Hyparremia tufa and Cynodon dactylon) collected in the field We observed ...
Anillos anuales de crecimiento en cafetos (Coffea arabica L.) y sus usos potenciales
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-01)
Annual growth rings are reported for coffee trees growing in the Coatepec region of Veracruz, Mexico. Ring structure and formation are briefly discussed and the potential use of growth rings in coffee are highlighted.