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Leaf septoria or something else?
FriendlyGardenerstarted grow question 11h ago
Need some second opinions.
It started on the upper leaves, lower ones are not affected. his is also the only plant in the tent with those dots, which makes me think maybe it's not septoria. RH is around 55%.
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yan402answered grow question 10h ago
Hey bro that’s not septoria, it’s starting high up, not low. Looks more like spray burn or early leaf infection bacterial or fungal.
RH is fine
Likely from misting with lights on or poor airflow
Just snip the worst leaves, improve circulation, and stop spraying anything with lights on.
If it spreads, hit it with mild neem or EM-1.
You caught it early 🤞🍀♥️✌️
AsNoriuanswered grow question 11h ago
In my capital , the moment i remember myself , all chestnut trees were infected.
I got it on friends grow last year, again came from chestnut tree 50 meters away ...
Its ussually bigger and very round spots, spreads fast, humidity control, defoliation of damaged leaves and good air movement would work as prevention.
Still think its calcium.
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AsNoriuanswered grow question 11h ago
On micro photos, by look reminds a lot, but on leaf photo, more likely calcium deficiency or ph imbalance. Long rains outside ? Could be reason too.
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