Population structure of Sclerotinia sclerotiorum on sunflower in Australia

  title={Population structure of Sclerotinia sclerotiorum on sunflower in Australia},
  author={Merrick Ekins and Helen L. Hayden and Elizabeth A. B. Aitken and Ken C. Goulter},
  journal={Australasian Plant Pathology},
Sunflower (Helianthus annuus) is host to infections by Sclerotinia sclerotiorum originating from either homothallic sexually-derived ascospores (stem and head rots) or asexually-derived sclerotia (root rot). While sunflower can be infected by either ascospores or sclerotia this study found no association between the genotypes found in lesions and the type of infection (stem, head or root rot). Multicopy Restriction Fragment Length Polymorphisms (RFLPs) showed individual sclerotia comprised of… CONTINUE READING


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