Plant Protect. Sci., 2011, 47(2):52-54 | DOI: 10.17221/43/2010-PPS

Occurrence of Sclerotinia sclerotiorum (Lib) de Bary and Diaporthe (Phomopsis) helianthi Munt.-Cvet. et al. on Iva xanthiifolia Nutt. in Slovak Republic

Jozef Huszár
Department of Biology, J. Selye University, Komárno, Slovak Republic

The polyphagous pathogen Sclerotinia sclerotiorum (Lib) de Bary causes significant diseases of sunflower and oil-seed rape while Diaporthe wilt, invoked by the pathogen Diaporthe (Phomopsis) helianthi Munt-Cvet. et al., is another important disease of sunflower in Slovakia. Since 2001 we have identified S. sclerotiorum on Iva xanthiifolia Nutt. in three locations and the infestation of I. xanthiifolia by D. helianthi has been observed only in one location of western Slovakia. The infestation of I. xanthiifolia by Sclerotinia disease and by D. helianthi has been observed only after secondary ascospore infection in sunflower fields.

Keywords: Sclerotinia sclerotiorum; Diaporthe (Phomopsis) helianthi; Iva xanthiifolia; Helianthus annuus

Published: June 30, 2011  Show citation

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Huszár J. Occurrence of Sclerotinia sclerotiorum (Lib) de Bary and Diaporthe (Phomopsis) helianthi Munt.-Cvet. et al. on Iva xanthiifolia Nutt. in Slovak Republic. Plant Protect. Sci. 2011;47(2):52-54. doi: 10.17221/43/2010-PPS.
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    References

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