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TX1523-1Ru/Y a.k.a Sierra Gold™: An early maturing, yellow-fleshed ruseet cultivar for the specialty/gourmet market

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Abstract

TX1523-1Ru/Y, a unique specialty cultivar with deep-yellow flesh color and an attractive russet skin, was released in 2003 by the Texas Agricultural Experiment Station. The smaller, immature tubers are round, but take on an oval shape as they mature. Eyes are shallow and the tuber surface is smooth. Tuber size tends to be medium (113.4–283.5 g; 4–10 oz). Total and marketable yield varies with year and location, but tends to be comparable to ‘Yukon Gold’, with percent marketable yield slightly higher. Vines are semi-prostrate, with medium vigor and size, and relatively early maturity. Specific gravity is about the same or slightly less than Yukon Gold, but generally greater than ‘Russet Norkotah’. TX1523-1Ru/Y has good culinary qualities, with resistance to after-cooking-darkening, and can be chipped, boiled, baked, or microwaved. It has been reported to be excellent to superior as a microwave product. Unlike Yukon Gold, TX1523-1Ru/Y is resistant to hollow heart, brown centers, and internal discoloration. It tends to be less susceptible to tuber infection by late blight (Phytopthora infestans) than Yukon Gold, has greater resistance to common scab (Streptomyces scabies), and is less susceptible to black scurf (Rhizoctonia solani). TX1523-1Ru/Y is believed to be the first yellow-fleshed resset-skin cultivar released in the United States.

Resumen

TX1523-1Ru/Y, es un cultivar especial y único con pulpa de color amarillo intenso y una atractiva piel rojiza, que ha sido liberada el año 2003 por la Estación Experimental Agrícola de Texas. Los tubérculos más pequeños son redondos cuando están inmaduros, pero a medida que maduran toman la forma ovalada. Los ojos son superficiales y la superficie del tubérculo es lisa. El tamaño del tubérculo tiende a ser mediano (113.4 a 283.5 g; 4 a 10 onz). El total de rendimiento comerical varía con el año y la localidad, pero tiende a ser comparable con Yukon Gold que tiene un rendimiento comercial ligeramente mayor. Las plantas son semipostradas de vigor y tamaño mediano y son relativamente de madurez temprana. La gravedad específica es la misma o ligeramente menor que Yukon Gold pero generalmente mayor que Russet Norkotah. El TX1523-1Ru/Y tiene buenas cualidades culinarias con resistencia al oscurecimiento después de la cocción y puede ser picado, cocido, horneado o usado en el microondas. Se ha reportado que es excelente a superior como producto del microondas. A diferencia de Yukon Gold TX1523-1Ru/Y es resistente al corazón vacío, oscurecimiento medular y decoloración interna. Tiende a ser menos susceptible a la infección del tubérculo causada por tizón tardío (Phytopthora infestans) que Yukon Gold, tiene mayor resistencia a la sarna común (Streptomyces scabies) y es menos susceptible a la caspa negra (Rhizoctonia solani). Se cree que TX1523-1Ru/Y es el primer cultivar de pulpa amarilla y piel rojiza que ha sido liberado en los Estados Unidos.

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Correspondence to J. Creighton Miller.

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Miller, J.C., Scheuring, D.C., Koym, J.W. et al. TX1523-1Ru/Y a.k.a Sierra Gold™: An early maturing, yellow-fleshed ruseet cultivar for the specialty/gourmet market. Am. J. Pot Res 82, 369–377 (2005). https://doi.org/10.1007/BF02871967

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  • DOI: https://doi.org/10.1007/BF02871967

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