Summary
A three-year study was conducted at Presque Isle, Maine to determine the effects of maturity and storage temperature on the yield and emergence of Katahdin seed potatoes. Virus X, place-effect, and variations in cultural practices were not confounding factors in these studies.
Variations in maturity of the seed stocks compared did not show any significant differences in plant emergence or yielding ability of progeny produced. When the variables of virus X, place-effect, storage temperature, and growing practices were eliminated as confounding factors, there was no effect on productiveness of progeny produced from seed stocks varying in maturity.
Storage temperatures affected emergence rate of seed potatoes and their yielding ability. From the results of this study, seed stored at 38F was more productive than seed stored at 32F or 45F.
Resumen
En Presque Isle, Maine, se llevó a cabo un estudio de tres años para determinar los efectos causados por temperaturas de almacenaje y madurez en el rendimiento y emergencia de semillas de papa Katahdin. Virus x, efecto de colocación, y diferencias en practicas de cultivo fueron factores que no interfirieron con el estudio.
Con variaciones en la madurez de las semillas comparadas, no se observó ninguna diferencia significativa en la emergencia de las plantas o en la capacidad de rendimiento de la progenie producida. Cuando las variantes de virus x, efecto de colocación, temperatura de almacenaje, y prácticas de cultivo fueron eliminadas como factores interfirientes, la madurez de la semilla tampoco afectó la productividad de la progenia producida.
La habilidad de rendimiento y la emergencia inicial de las semillas de papa fueron afectadas por las temperaturas de almacenaje. De los resultados obtenidos en este estudio, las semillas almacenadas a 38F fueron más productivas que las almacenadas a 32F o a 45F.
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Contribution of University of Maine, Orono, Maine.
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Murphy, H.J., Manzer, F.E., Goven, M.J. et al. Effect of physiological maturity and storage temperature on emergence and yield of potatoes. American Potato Journal 44, 227–231 (1967). https://doi.org/10.1007/BF02862516
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DOI: https://doi.org/10.1007/BF02862516