quince rust (Gymnosporangium clavipes) in Southern Plant Diagnostic Network

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Canker on infected stem with ruptured white peridia and orange aeciospores obvious

Bruce Watt, University of Maine, Bugwood.org

Canker on infected stem with ruptured white peridia and orange aeciospores obvious

Quince rust on apple

University of Georgia Plant Pathology , University of Georgia, Bugwood.org

Quince rust on apple

quince rust (<em>Gymnosporangium clavipes</em>) symptoms on eastern redcedar (<em>Juniperus virginiana</em>)

Edward L. Barnard, Florida Department of Agriculture and Consumer Services, Bugwood.org

quince rust (Gymnosporangium clavipes) symptoms on eastern redcedar (Juniperus virginiana)

Telia sporulation.

Edward L. Barnard, Florida Department of Agriculture and Consumer Services, Bugwood.org

Telia sporulation.

quince rust (<em>Gymnosporangium clavipes</em>) symptoms on apple (<em>Malus domestica</em>)

Mary Ann Hansen, Virginia Polytechnic Institute and State University, Bugwood.org

quince rust (Gymnosporangium clavipes) symptoms on apple (Malus domestica)

quince rust (<em>Gymnosporangium clavipes</em>) symptoms on apple (<em>Malus domestica</em>)

Mary Ann Hansen, Virginia Polytechnic Institute and State University, Bugwood.org

quince rust (Gymnosporangium clavipes) symptoms on apple (Malus domestica)

quince rust (<em>Gymnosporangium clavipes</em>) symptoms on apple (<em>Malus domestica</em>)

Mary Ann Hansen, Virginia Polytechnic Institute and State University, Bugwood.org

quince rust (Gymnosporangium clavipes) symptoms on apple (Malus domestica)

quince rust (<em>Gymnosporangium clavipes</em>) symptoms on apple (<em>Malus domestica</em>)

Mary Ann Hansen, Virginia Polytechnic Institute and State University, Bugwood.org

quince rust (Gymnosporangium clavipes) symptoms on apple (Malus domestica)

quince rust (<em>Gymnosporangium clavipes</em>) sign on hawthorn (<em>Crataegus spp.</em>)

Ethel Dutky, University of Maryland, Bugwood.org

quince rust (Gymnosporangium clavipes) sign on hawthorn (Crataegus spp.)

aeciospores collecting on sidewalk beneath infected tree

Ethel Dutky, University of Maryland, Bugwood.org

aeciospores collecting on sidewalk beneath infected tree

quince rust (<em>Gymnosporangium clavipes</em>) symptoms on hawthorn (<em>Crataegus spp.</em>)

Ethel Dutky, University of Maryland, Bugwood.org

quince rust (Gymnosporangium clavipes) symptoms on hawthorn (Crataegus spp.)

aecial formation on fruit

Ethel Dutky, University of Maryland, Bugwood.org

aecial formation on fruit

quince rust (<em>Gymnosporangium clavipes</em>) sign on hawthorn (<em>Crataegus spp.</em>)

Mary Ann Hansen, Virginia Polytechnic Institute and State University, Bugwood.org

quince rust (Gymnosporangium clavipes) sign on hawthorn (Crataegus spp.)

diseased fruit on hawthorn

Elizabeth Bush, Virginia Polytechnic Institute and State University, Bugwood.org

diseased fruit on hawthorn

Gelatinous telial mass oozing out of small branch swelling.

Dawn Dailey O'Brien, Cornell University, Bugwood.org

Gelatinous telial mass oozing out of small branch swelling.

Cedar-quince rust aecia on hawthorn fruit.

Dawn Dailey O'Brien, Cornell University, Bugwood.org

Cedar-quince rust aecia on hawthorn fruit.

Aecia on hawthorn berry

Nathan W. Gross, University of Missouri, Bugwood.org

Aecia on hawthorn berry

Cankered branch with rust spoulation

Elizabeth Bush, Virginia Polytechnic Institute and State University, Bugwood.org

Cankered branch with rust spoulation

Peridial cells, surface view of two aeciospores, and air bubble

Bruce Watt, University of Maine, Bugwood.org

Peridial cells, surface view of two aeciospores, and air bubble

Aeciospore, sectional view

Bruce Watt, University of Maine, Bugwood.org

Aeciospore, sectional view