Rudbeckia – Downy Mildew

Plasmopara halstedii Rudbeckia – Downy Mildew Signs & Symptoms

: Sporangiophores growing from leaf

: Symptomatic infected leaf

: Sporulation on leaf surface

: Sporulation on leaf surface

: Affected leaves

: Affected leaf

Rudbeckia – Downy Mildew Pathogen

: Sporangiophores

: Sporangiophores and sporangia

: Sporangiophores and sporangia

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