Morphoagronomic characterization of a maize population (Zea mays, L.) under open pollination conditions in Batabanó, Mayabeque

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Published: Feb 27, 2013
Keywords:
maize, Zea mays, varieties, free pollination, agronomic characters

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Rosa Acosta Roca
Departamento de Genética y Mejoramiento Vegetal, Instituto Nacional de Ciencias Agrícolas (INCA),

Abstract

The genetic variability in maize (Zea mays, L.) isdue to the same mechanisms operating in populations oforganisms in the evolutionary process, both spontaneouslyand under domestication ways, as well as to the numerousecological niches and the environmental effects that eachclimatic condition has on the populations during theiradaptation. However, the experiences of the programs of plantbreeding developed by farmers in this crop have been littledocumented. The present work shows evidences about theadvantages of a program of plant breeding developed in Cuba,to obtain populations of maize adapted to the low inputsconditions in Batabanó, Mayabeque province. Themorphological evaluation showed that it was characterized byhigh plants, with shafts of medium grosor, leaves of half widthand a tendency to have from 1 to 2 ears. They had a goodcoverage; were long and thin in a conical-cylindrical way, withfew willing arrays lightly in hairspring and grains numeroussemidents of color orange. It was found that the quantitativecharacters of grain and cob were in which bigger selectionpressure was exerted by, influencing in the determination ofthe characteristic morphologicals of final population. Thischaracterization coincided with the genetic patterns of theCanilla type. The major results in the yield of poblation «RAUL»with respect to control, should validate the selection made bythe farmer, being an indicator of the advantages of the processesof participatory plant breeding in allogamous plants.

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How to Cite
Acosta Roca, R. (2013). Morphoagronomic characterization of a maize population (Zea mays, L.) under open pollination conditions in Batabanó, Mayabeque. Cultivos Tropicales, 34(2), 52–60. Retrieved from https://ediciones.inca.edu.cu/index.php/ediciones/article/view/427
Issue
Vol. 34 No. 2 (2013)
Section
Original Article

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