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First Report of a New Highly Virulent Pathotype of Sunflower Downy Mildew (Plasmopara halstedii) Overcoming the Pl₈ Resistance Gene in Europe

2020-02-01

Abstract excerpt

Downy mildew of sunflower (Helianthus annuus L.), caused by the oomycete Plasmopara halstedii, is a major constraint to production worldwide. The inbred line RHA 340 has been extensively used to produce resistant hybrids. It harbors the Pl₈ gene derived from H. argophyllus Torrey and Gray (Miller and Gulya 1988), providing resistance to all pathotypes of P. halstedii in Europe described to date (Markell et al. 201...

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Literature Corpus work
182393e3-f39a-57bf-a475-83e2d9e241bb
DOI
10.1094/pdis-07-19-1425-pdn
Open publication

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