Abstract
An experiment was conducted beginning in 1969 to determine the chipability of several cultivars of potato (Solarium tuberosum) grown under similar cultural regimes at different locations throughout Ohio. The experiment included 19 cultivars and 11 locations. The tubers from a particular location were harvested and transported to the laboratory where a portion was chipped and other portions were stored at 40,45,50, and 55°F for 3 and 6 months and subsequently chipped. The chips were analyzed for color both objectively using the Agtron M-30-A and subjectively using the PC/SFA color chart. In addition, specific gravity and count were also determined before storage. Not all cultivars were included for the duration of the experiment as they proved consistently superior or inferior in the early stages of the experiment or they were unavailable. Also, not all locations were included each year due to non-availability of acreage. The data indicate that there was a high degree of variability among cultivars and growers. They also indicate considerable variability among years of production although good cultivars were rated highest within seasons. Most notable was the variability among locations; the variation from one location to another was often as great as that among cultivars. Storage difference was pronounced as expected due to temperature regimes.
Resumen
A inicios de 1969 se condujo un experimento para determinar la capacidad de procesamiento en rodajas de varios cultivares de papa (Solanum tuberosum) cultivados bajo regimenes similares en localidades diferentes a través de todo el Estado de Ohio. El experimento incluyó 19 cultivares y 11 localidades. Los tubérculos de una localidad determinada fueron cosechados y transportados al laboratorio en donde una porción fué procesada en rodajas (chipped) y otras porciones fueron almacenadas a 40, 45, 50 y 55°F durante 3 y 6 meses para subsecuentemente ser procesadas. El color de las rodajas de papa fué analizado en forma objetiva utilizando el Agtron M-30-A y subjetivamente utilizando el muestrario de colores PC/SFA. Además, se d’eterminó también la gravedad especifica y número, antes del almacenamiento. No todos los cultivares fueron incluidos durante el experimento debido a que su comportamiento era consistentemente superior o inferior durante la etapa inicial del experimento o porque no fué posible conseguirlos. Tampoco fueron incluidas todas las localidades cada año debido a falta de terrenos.
Los datos indican que hay un alto grado de variabilidad entre cultivares y agricultures. También indican una considerable variabilidad entre los años de producción, aunque los cultivares buenos tuvieron calificativos altos dentro de una campaña. Más notable fué la variabilidad entre localidades; la variación entre una localidad y otra fué frecuentemente tan alta como entre cultivares. Las diferencias de almacenamiento fueron pronunciadas como era de esperar debido a los diferentes regimenes de temperatura.
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Approved for publication as Journal Paper No. 93.78 of the OARDC, Wooster, Ohio 44691
The assistance of F.I. Lower, A.R. Mosley, E.C. Wittmeyer and the different growers over the years is gratefully acknowledged.
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Gould, W.A., Hair, B. & Baroudi, A. Evaluation of potato cultivars before and after storage regimes for chipping. American Potato Journal 56, 133–144 (1979). https://doi.org/10.1007/BF02853380
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DOI: https://doi.org/10.1007/BF02853380