Section 3
Chapter 2,782

Colocation of downy mildew (Plasmopara halstedii) resistance genes in sunflower (Helianthus annuus L.)

Roeckel Drevet, P.; Gagne, G.; Mouzeyar, S.; Gentzbittel, L.; Philippon, J.; Nicolas, P.; Tourvieille de Labrouhe, D.; Vear, F.

Euphytica 91(2): 225-228


ISSN/ISBN: 0014-2336
DOI: 10.1007/bf00021074
Accession: 002781259

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The P16 locus in the inbred sunflower (Helianthus annuus) line HA335 conferring resistance to French races of downy mildew (Plasmopara halstedii) was localized by molecular techniques. A bulked segregant analysis was made on the F2 progeny from a cross between this line and H52, a downy mildew susceptible line.

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