L Lubu Junior Joined Aug 11, 2017 Messages 1 Reaction score 0 Aug 11, 2017 #1 Location: Backyard in NYC Grape Type: Vanessa Seedless, 1 year old. Symptoms: Small black spots on leafs ->leafs hardened and curled -> turning yellow and brown. Could this be black rot?
Location: Backyard in NYC Grape Type: Vanessa Seedless, 1 year old. Symptoms: Small black spots on leafs ->leafs hardened and curled -> turning yellow and brown. Could this be black rot?
shrewsbury Junior Member Joined Nov 27, 2015 Messages 111 Reaction score 20 Aug 11, 2017 #2 I don't know if this will help but try plugging in your info here; https://doubleavineyards.com/plant-diagnostic/
I don't know if this will help but try plugging in your info here; https://doubleavineyards.com/plant-diagnostic/
grapeman Administrator Supporting Member Joined Nov 12, 2005 Messages 15,188 Reaction score 1,213 Aug 11, 2017 #3 No not black rot. It looks like it could be damage from feeding small insects, not sure which ones but black rot spots would be on the upper leaf and be larger and brown, not black.
No not black rot. It looks like it could be damage from feeding small insects, not sure which ones but black rot spots would be on the upper leaf and be larger and brown, not black.