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What's everyone diagnosis about this:
HerbalEdustarted grow question 2 years ago
Not that i'm really worried about it, but just curious to hear what's everyone diagnosis:
Three leaves affected near the top out of two plants out of eight total.
I'm planning to harvest in two weeks and a half.
90x60x180 SOG 8 plants 6L pots HPS 250 watering 1L/4days
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Leaves. Other
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HerbalEduanswered grow question 2 years ago
Answer after two weeks investigating is:
Heat stress triggering various excess and deficiencies for leaves right under the bulb but not for leaves along tent's border.
See my cream caramel CBD comments section week 12 for more details
I'd like to thanks @JackGreenCR and @GrowingGrannie for their help in my other question about the same topic, and/or in PM to clearly identify the issue(s)
HerbalEduanswered grow question 2 years ago
thrips not, check my "sweet deep grapefruit" week 7 & 8 to see what's thrips damage look like, my bet is it's calcium deficiency, unlike with thrips the dots look very dry, i experience this with a few phenotypes per batch nearly each grow a little time before harvest, just some kind of burn or deficiency with some phenotypes more sensitive to feeding than some others just not sure it's mainly calcium deficiency and for the last leaf photo may be magnesium deficiency a little as well.
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