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Brodie, a Dual-Purpose Chipping and Tablestock Variety with Resistance to Pathotypes Ro1 and Ro2 of the Golden Cyst Nematode and Partial Resistance to Pathotype Pa2/3 of the Pale Cyst Nematode

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Abstract

Brodie is a high-yielding white-fleshed potato cultivar with resistance to both pathotypes Ro1 and Ro2 of the golden cyst nematode (Globodera rostochiensis) and partial resistance to pathotype Pa2/3 of the pale cyst nematode (G. pallida). It was selected from a cross made at Cornell University in 1998 between Cornell breeding clones NY121 and NY115 and released by the New York Agricultural Experiment Station in 2018. The tubers are oval and slightly flattened, with shallow eyes and smooth attractive skin. In addition to its suitability for tablestock, Brodie also has merit for chipping as its chip color is good, comparable in lightness to the chipping cultivar Snowden when chipped out of two to four months of 6.7 °C storage. Specific gravity of Brodie averaged 1.078 across 63 Northeastern US trials, 0.010 less than Atlantic in the same locations, while marketable yield averaged 115% of Atlantic across 70 trials in New York and Pennsylvania. For growers affected by pathotypes Ro1 and Ro2 of the golden nematode, Brodie provides a means of producing a marketable crop while simultaneously decreasing infestation levels of both Ro1 and Ro2.

Resumen

Brodie es una variedad de papa de pulpa blanca de alto rendimiento con resistencia a los patotipos Ro1 y Ro2 del nematodo dorado (Globodera rostochiensis) y resistencia parcial al patotipo Pa2/3 del nematodo del quiste pálido (G. pallida). Fue seleccionada a partir de un cruce realizado en la Universidad de Cornell en 1998 entre los clones de Cornell NY121 y NY115 y liberada por la Estación Experimental Agrícola de Nueva York en 2018. Los tubérculos son ovalados y ligeramente aplanados, con ojos poco profundos y piel lisa y atractiva. Además de su idoneidad para la mesa, Brodie también tiene mérito para la fritura, ya que su color es bueno, comparable en ligereza al cultivar de freído Snowden cuando se fríe después de dos a cuatro meses de almacenamiento a 6,7° C. La gravedad específica de Brodie promedió 1,078 en 63 ensayos del noreste de EE. UU., 0,010 menos que Atlantic en las mismas localidades, mientras que el rendimiento comercializable promedió el 115% del de Atlantic en 70 ensayos en Nueva York y Pensilvania. Para los productores afectados por los patotipos Ro1 y Ro2 del nematodo dorado, Brodie proporciona un medio para producir un cultivo comercializable y, al mismo tiempo, disminuir los niveles de infestación de Ro1 y Ro2.

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Data Availability

Data is available in annual potato breeding and evaluation extension reports of Cornell University, The University of Maine, and Pennsylvainia State University.

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Acknowledgements

The Cornell contributors are members of the Golden Nematode Technical Advisory Committee that includes representatives from USDA-ARS, USDA-APHIS, and New York State Department of Agriculture and Markets. All these agencies provided financial support. Additional support came from growers in New York and Pennsylvania, the USDA-NIFA Special Grant for Potato Breeding Research, and Hatch projects NE1014 and NE1031. We thank Kent Loeffler for photography.

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Correspondence to Walter S. De Jong.

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De Jong, W.S., Wang, X., Halseth, D.E. et al. Brodie, a Dual-Purpose Chipping and Tablestock Variety with Resistance to Pathotypes Ro1 and Ro2 of the Golden Cyst Nematode and Partial Resistance to Pathotype Pa2/3 of the Pale Cyst Nematode. Am. J. Potato Res. 101, 45–51 (2024). https://doi.org/10.1007/s12230-023-09939-x

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