Abstract
Echo Russet is a medium- to late-maturing selection with long, large, russeted tubers. Total yields are similar to those of Russet Burbank and Ranger Russet, however Echo Russet produced significantly greater yields than Russet Norkotah. Further, Echo Russet produced significantly higher US No. 1 yields when compared to these standard varieties (6—29% more). Echo Russet has high protein, high specific gravity, light fry color, low acrylamide level, and few internal and external tuber defects. In three years of evaluations in U.S. Western Regional Potato Variety Trials, post-harvest merit scores for fresh and processing qualities were high for Echo Russet when compared to standard varieties. Echo Russet is resistant to Fusarium dry rot, Pectobacterium (syn. Erwinia) soft rot, and common scab. Echo Russet exhibits moderate resistance to Verticillium wilt, early blight, Potato virus Y (PVY), Potato leaf roll virus (PLRV), Potato mop top virus (PMTV), and corky ring spot. The preponderance of resistances to major diseases gives Echo Russet great potential for organic production and sustainable farming systems.
Resumen
Echo Russet es una selección de maduración media a tardía con tubérculos largos, grandes y corrugados. Los rendimientos totales son similares a los de Russet Burbank y Ranger Russet, sin embargo, Echo Russet produjo rendimientos significativamente mayores a los de Russet Norkotah. Además, Echo Russet produjo rendimientos US No. 1 significativamente más altos en comparación con las variedades estándar (6—29% más). Echo Russet tiene alta proteína, alta gravedad específica, ligero color de freído, bajo nivel de acrilamida y pocos defectos internos y externos del tubérculo. En tres años de evaluaciones en los ensayos regionales occidentales de variedades de papa, los puntajes de mérito posteriores a la cosecha para las cualidades frescas y de procesamiento fueron altos para Echo Russet en comparación con las variedades estándar. Echo Russet es resistente a la podredumbre seca de Fusarium, Pectobacterium (sin. Erwinia) podredumbre blanda, y costra común. Echo Russet exhibe una resistencia moderada al marchitamiento por Verticillium, tizón temprano, virus Y de la papa (PVY), virus del enrollamiento de la hoja de la papa (PLRV), virus del ápice de trapeador de papa (PMTV) y mancha anular corchosa. La preponderancia de las resistencias a las principales enfermedades le da a Echo Russet un gran potencial para la producción orgánica y los sistemas agrícolas sostenibles.
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Change history
23 December 2022
This article was revised to correct the footnote numbering in Table 4.
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Acknowledgements
The authors thank Moises Aguilar, Tianxio Li, Margaret Bain, Chelsey Lowder, Lorie Ewing, Nora Fuller, Fahettein Goktope, Darren Hall and Brian Schneider, as well as our collaborators in the Western Regional Potato Variety Trials, and the Idaho, Oregon, and Washington Potato Commissions for their contributions to the development and release of Echo Russet. We also express thanks to our industry cooperators for their contributions to the breeding and variety development. Development of Echo Russet was partially funded by USDA/NIFA and the Northwest Potato Research Consortium.
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J. C. Stark, N. R. Knowles, and L. O. Knowles are retired.
C. Brown is deceased
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Baley, N., Sathuvalli, V., Charlton, B.A. et al. Echo Russet: A Russet Potato Variety with a High Yield of Marketable Tubers, High Processing Quality, and Few Tuber Defects. Am. J. Potato Res. 100, 15–26 (2023). https://doi.org/10.1007/s12230-022-09891-2
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DOI: https://doi.org/10.1007/s12230-022-09891-2