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Characterization of resistance to Globodera rostochiensis pathotype Ro1 in cultivated and wild potato species accessions from the Vavilov Institute of Plant Industry |
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| Authors: | Ludmila Limantseva Nina Mironenko Oleg Shuvalov Olga Antonova Alexandr Khiutti Lubov Novikova Olga Afanasenko David Spooner Tatjana Gavrilenko |
| Affiliation: | 1. All‐Russian Institute for Plant Protection, Laboratory of Plant Immunity to Diseases, , St. Petersburg‐Pushkin, 196608 Russia;2. N.I. Vavilov Institute of Plant Industry (VIR), Department of Biotechnology, , 190000 St. Petersburg, Russia;3. USDA Agricultural Research Service, Department of Horticulture, University of Wisconsin, , Madison, WI, 53706‐1590 USA;4. St. Petersburg State University, , 199034 St. Petersburg, Russia |
| Abstract: | Potato cyst nematodes (PCN) collected in six localities in the Leningrad region of North West Russia were identified as Globodera rostochiensis pathotype Ro1 and were used for subsequent resistance tests. Seventy‐nine accessions of cultivated and closely related wild potato species from the VIR collection in Russia were screened on resistance to G. rostochiensis pathotype Ro1 and on the presence of molecular markers for H1 and Gro1‐4 resistance genes. No associations were detected between the resistance level of diploid and tetraploid Andean and tetraploid Chilean potato landraces (indigenous cultivars) and their related wild species and their geographical distribution or presence of PCR‐based markers that are associated with the H1 and Gro1‐4 genes. At the same time, all susceptible genotypes lacked such markers. New sources of resistance were found and could be used in breeding. |
| Keywords: | Globodera rostochiensis pathotype Ro1 landraces marker assisted selection (MAS) nematode potato wild species |