Screening tuber-bearingSolanum spp. for resistance to soft rot caused byErwinia carotovora ssp.atroseptica (van Hall) Dye |
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| Authors: | Françoise Rousselle-Bourgeois Sylvie Priou |
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| Affiliation: | 1. Station d'Amélioration de la Pomme de terre et des Plantes à bulbes, INRA, Kéra?ber, 29260, Ploudaniel, France
2. Station de Pathologie Végétale, INRA, BP 29, 35650, Le Rheu, France
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| Abstract: | Summary Soft rot caused by Erwinia carotovora ssp. atroseptica is a major disease of stored potatoes. Since varietal resistance can contribute to control, the work reported was designed to find new sources of resistance among related tuber-bearing Solanum spp. True seeds were imported from two international collections and families were screened for resistance to tuber soft rot. Forty-eight resistant clones were found in 21 out of 100 accessions. These clones will be used in breeding programmes at the diploid or tetraploid level. |
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| Keywords: | potato blackleg Solanum tuberosum L. |
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