Dutch Elm Disease (Ophiostoma ulmi) on Elm (Ulmus sp.)

8 Images

Paul Bachi University of Kentucky Research and Education Center	Tree limbs and leaves shown symptoms of dieback.
Paul Bachi University of Kentucky Research and Education Center	Incubation of symptomatic pieces of elm branches, surface sterilized and placed in an incubation chamber.
Paul Bachi University of Kentucky Research and Education Center	Characteristic asexual stage or "synnemata", conidiophores with clusters of colorless conidia at the top.
Paul Bachi University of Kentucky Research and Education Center	Characteristic asexual stage or "synnemata", conidiophores with clusters of colorless conidia at the top.
Paul Bachi University of Kentucky Research and Education Center	Characteristic asexual stage or "synnemata", conidiophores protruding from the end of an infected branch.
Paul Bachi University of Kentucky Research and Education Center	Characteristic asexual stage or "synnemata", conidiophores protruding from the end of an infected branch.
Paul Bachi University of Kentucky Research and Education Center	Characteristic asexual stage or "synnemata", conidiophores protruding from the end of an infected branch.
Paul Bachi University of Kentucky Research and Education Center	Characteristic asexual stage or "synnemata", conidiophores protruding from the end of an infected branch.

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