Cucurbits – Gummy Stem Blight
Didymella bryoniae Cucurbits – Gummy Stem Blight Signs & Symptoms
Infected melon
Infected melons
Pycnidia from infected fruit
Cucurbits – Gummy Stem Blight Pathogen
Conidia
Conidia
Conidia at ostiolar opening
Vertical section at point of contact between two pycnidia. Conidia obvious in both.
Gelatinous matrix extruding from conidial ostiole, spermatia evident.
Gelatinous matrix extruding from conidial ostiole, spermatia evident.
Pycnidia, vertical section. Conidia extruding from ostiole.
Pycnidium, partial vertical section
Pycnidia, vertical section
Pycnidia, vertical section
Pycnidia from infected fruit
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Cucurbits – Gummy Stem Blight