Evaluación de la asociación de dos ciclos vegetativos de frijol (Phaseolus vulgaris L.) con uno de maiz (Zea mays L.)
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González V., Elida Ma.
Araya Villalobos, Rodolfo
González Mora, Walter
Gálvez E., Guillermo
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Universidad de Costa Rica
Abstract
En Grecia, Costa Rica se evaluó dos cosechas de frijol (cvs. Huetar Iia; Brunca IIIa, México 29-N y Alajuela 1 IIIb) en un ciclo vegetativo de maíz (cv. Tico V-1, planta baja). Se comparó este sistema con la asociación maíz frijol bajo un solo ciclo de siembra. El rendimiento de maíz bajo dos ciclos de siembra de frijol fue similar al rendimiento de maíz bajo asociación simultánea pero inferior en 28% a la producción de esta gramínea bajo asociación de relevo con frijol.
In Grecia, Costa Rica, two bean crops (cultivars Huetar IIa, Brunca IIIa, México 29-N and Alajuela 1 IIIb) were tested in association with one vegetative cycle of maize (cultivar Tico V-1, short plant) This system was compared with the maize-bean association under only one cycle. The maize yield was the same when planted in association with beans in one or two cycles, but was 28% lower in relay planting. A differencial behavoir was found among bean cultivars and planting systems. Likewise, the maize was afffected by all bean cultivars in association planting. The Huetar cultivar was the best under association planting, for its high yield and for allowing the highest maize yield. México 29-N showed the highest yield under the relay planting system.
In Grecia, Costa Rica, two bean crops (cultivars Huetar IIa, Brunca IIIa, México 29-N and Alajuela 1 IIIb) were tested in association with one vegetative cycle of maize (cultivar Tico V-1, short plant) This system was compared with the maize-bean association under only one cycle. The maize yield was the same when planted in association with beans in one or two cycles, but was 28% lower in relay planting. A differencial behavoir was found among bean cultivars and planting systems. Likewise, the maize was afffected by all bean cultivars in association planting. The Huetar cultivar was the best under association planting, for its high yield and for allowing the highest maize yield. México 29-N showed the highest yield under the relay planting system.