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ARS Home » Pacific West Area » Aberdeen, Idaho » Small Grains and Potato Germplasm Research » Research » Publications at this Location » Publication #351967

Research Project: Potato Genetic Improvement for Enhanced Tuber Quality and Greater Productivity and Sustainability in Western U.S. Production

Location: Small Grains and Potato Germplasm Research

Title: Introgression of Globodera resistance into the russet market class

item Novy, Richard - Rich
item Whitworth, Jonathan
item KUHL, JOE - University Of Idaho
item DANDURAND, LOUISE-MARIE - University Of Idaho
item Zasada, Inga
item DE JONG, WALTER - Cornell University
item Wang, Xiaohong

Submitted to: Potato Association of America Proceedings
Publication Type: Abstract Only
Publication Acceptance Date: 3/15/2018
Publication Date: N/A
Citation: N/A

Interpretive Summary:

Technical Abstract: Two species of potato cyst nematode (Globodera rostochiensis and G. pallida,) have been identified in the U.S. and are under quarantine regulations, with a third newly identified species (G. ellingtonae) not categorized as a quarantined pest. Management of G. rostochiensis in the state of New York includes the use of resistant potato varieties, but resistance to G. pallida is not present in the primary varieties grown in the state of Idaho where G. pallida was identified in 2006. The primary market class of potato grown in Idaho and the western U.S. is characterized by varieties having long tuber shape and russet skin. Potato varieties commercially available with G. pallida resistance typically have round tubers making them unsuitable for producers in the western U.S. Potato varieties such as Innovator and Basin Russet are exceptions, having the desired long tuber type, but are characterized as having yellow flesh rather than the white flesh preferred by the processing industry in North America. Hybridizations have been conducted between Globodera-resistant breeding clones and varieties to russet-skinned breeding clones and varieties suitable for production in the western U.S. Progenies of an Eden x Western Russet family display Globodera resistance (derived from Eden) and the desired long tuber shape and russet skin (derived from Western Russet). Sources of Globodera resistance being utilized in our program, the use of marker-assisted selection, and our progress in developing russet-skinned germplasm having long tuber shape with resistance to the three Globodera species are described.