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A Review Of Peanut Cultivar Evaluation In Jamaica

Author

Listed:
  • Payne, Horace W.

Abstract

Work on peanut cultivar evaluation in Jamaica is reviewed. Over 100 introductions have been made in recent years and several have shown improved yield and kernel size compared to the local Valencia cultivar. Differences in season length (90 to 150 days) make comparison of cultivars based on kernel yield per unit area alone unsatisfactory for assessing the order of merit. The time factor must be taken into account to determine the economic rate of return on investment. Kernel yield in kg ha-1 per 5-day period of growth is suggested as the most suitable criterion for comparative performance. Socio-economic factors suggest that cultivars of short season length and erect bunch habit as represented by Spanish/Valencia market types are suited to the rainfed conditions and low management input production system of small farmers. Large seeded cultivars with spreading habit and requiring a long season length as represented by Viginia/Runner market types are suited to large farms equipped with machinery and irrigation facilities. ----- Esta es una revision del trabajo de evaluaci6n de cultivares de mani llevados a cabo en Jamaica. En afios recientes mas de 100 varidades fueron introdlucidas y muchas de elias rnostraron mejorias en cuanto se refiere ala produccion y al tamailo del grano, comparadas con la variedad criolla, el cultivar Valencia. Variaciones estacionales (de 90 a 150 dias) hacen que la comparaci6n de cuItivares, basada solamente en la producci6n del grano/unidad de superficie, no sea satisfactoria para poder evaluar el orden de merito, EI factor tiempo se debe eonsidedar para poder deterrninar la tasa economica de rendiimiento de inversi6n. EI criterio mas adecuado para la comparacion del desempeiiamiento de las diferentes variedades es, el de la producci6n del grano por kg ha-1 per 5 dias de crecimiento. Factodes socio-economicos sugieren que las variedades precoces y con un habito de crecimiento arbustivo, como ser el de la variedad Spanish/Valencia, son adecuadas para condiciones pluviales y para el sistema de manejo de baja produccion de los pequenos agricultores, Las variedades de grano grande y de guia larga y de tipo de crecimento de dia largo representadas por la variedad Virginia/Runner, son adecuadas para plantaciones en fincas grandes equipadas coil maquinarias y equipo de irrigaci6n.

Suggested Citation

  • Payne, Horace W., 1985. "A Review Of Peanut Cultivar Evaluation In Jamaica," 21st Annual Meeting, September 8-13, 1985, Port of Spain, Trinidad and Tobago 261362, Caribbean Food Crops Society.
  • Handle: RePEc:ags:cfcs85:261362
    DOI: 10.22004/ag.econ.261362
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