Clemson University - USDA Cooperative Extension Slide Series , Bugwood.org
gummy stem blight (vine decline) (Didymella bryoniae) symptoms on watermelon (Citrullus lanatus var. lanatus)
Gerald Holmes, Strawberry Center, Cal Poly San Luis Obispo, Bugwood.org
Pycnidia on stem lesion. September 1997
Gerald Holmes, Strawberry Center, Cal Poly San Luis Obispo, Bugwood.org
Rot progressing from the blossom end of fruit. September 1997
David B. Langston, University of Georgia, Bugwood.org
Gummy Stem Blight on Watermelon (Didymella bryoniae); Brown to black lesions that sometimes contain concentric rings. Black "pycnidia" can be observed with hand lens. Lesions appear water- soaked or ashy.
Gerald Holmes, Strawberry Center, Cal Poly San Luis Obispo, Bugwood.org
Severely blighted leaf. August 1998
Jason Brock, University of Georgia, Bugwood.org
gummy stem blight (vine decline) (Didymella bryoniae) symptoms on cantaloupe (Cucumis melo Cantalupensis Group)
David B. Langston, University of Georgia, Bugwood.org
Gummy Stem Blight on Watermelon (Didymella bryoniae); Stems show dark, water-soaked lesions often containing black, "pimple-like" fruiting structures.
Sandra Jensen, Cornell University, Bugwood.org
Symptoms developing on fruit post harvest.
Jason Brock, University of Georgia, Bugwood.org
gummy stem blight (vine decline) (Didymella bryoniae) symptoms on cantaloupe (Cucumis melo Cantalupensis Group)
Jason Brock, University of Georgia, Bugwood.org
gummy stem blight (vine decline) (Didymella bryoniae) symptoms on cantaloupe (Cucumis melo Cantalupensis Group)
Jason Brock, University of Georgia, Bugwood.org
gummy stem blight (vine decline) (Didymella bryoniae) symptoms on watermelon (Citrullus lanatus)
Jason Brock, University of Georgia, Bugwood.org
gummy stem blight (vine decline) (Didymella bryoniae) sign on cucumber (Cucumis sativus)
gummy stem blight (vine decline) (Didymella bryoniae) symptoms on watermelon (Citrullus lanatus var. lanatus)
Pycnidia on stem lesion. September 1997
Rot progressing from the blossom end of fruit. September 1997
Gummy Stem Blight on Watermelon (Didymella bryoniae); Brown to black lesions that sometimes contain concentric rings. Black "pycnidia" can be observed with hand lens. Lesions appear water- soaked or ashy.
Severely blighted leaf. August 1998
gummy stem blight (vine decline) (Didymella bryoniae) symptoms on cantaloupe (Cucumis melo Cantalupensis Group)
Gummy Stem Blight on Watermelon (Didymella bryoniae); Stems show dark, water-soaked lesions often containing black, "pimple-like" fruiting structures.
Symptoms developing on fruit post harvest.
gummy stem blight (vine decline) (Didymella bryoniae) symptoms on cantaloupe (Cucumis melo Cantalupensis Group)
gummy stem blight (vine decline) (Didymella bryoniae) symptoms on cantaloupe (Cucumis melo Cantalupensis Group)
gummy stem blight (vine decline) (Didymella bryoniae) symptoms on watermelon (Citrullus lanatus)
gummy stem blight (vine decline) (Didymella bryoniae) sign on cucumber (Cucumis sativus)