 BLACK GOO (PETRI DISEASE)
Black goo seen as black stains in this cross-section of a vine trunk
Photo credit: R. Balasubramaniam
Look for in leaves- Small leaves and signs of reduced growth especially on young vines
- A black goo shows in cut sections of the trunk on weak young vines
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OTHER BLACK GOO (PETRI DISEASE) IMAGES
LOOKS LIKE
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