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What are these black spots on the back of this pawpaw leaf?
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Topic: What are these black spots on the back of this pawpaw leaf? (Read 569 times)
PitangatubaMoray
Member
Posts: 58
U.S.A, 6A
What are these black spots on the back of this pawpaw leaf?
«
on:
September 17, 2020, 12:25:14 PM »
Title says it all, here's the picture:
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Triloba Tracker
Hero Member
Posts: 1343
Psalms 104:14
USA, Middle Tennessee, Zone 7a
Re: What are these black spots on the back of this pawpaw leaf?
«
Reply #1 on:
September 17, 2020, 01:50:28 PM »
Most likely suspects are Black Spot (diplocarpon) or phyllosticta, both fungal diseases. Of those 2 it looks more like diplocarpon.
It could also be result of a nutrient deficiency.
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What are these black spots on the back of this pawpaw leaf?