Oklahoma Growers Thread!

Tracker

Tracker

Well-Known Member
Skillcraft said:
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I'd expect light burn to look like bleaching on the part of the plant closest to the light. That crispy leaf looks to me more like when feeding heavily with high phosphorous nutrients.

What is your feed regimen like? EC/ppm? Temp/RH? PH?

You said above you're hitting 971 ppfd on that part of the plant? If it's been doing okay with that intensity for a while now, it shouldn't all of a sudden show light damage. It's high, but not crazy.
 
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Skillcraft

Well-Known Member
My ec is 1.4 rh is 40-45 and pH is 5.8-6.2. I just don't understand why it is the only spot on the plant that looks this way. The rest of the plant is beautiful and green. I mean I have a little tipping from pushing her a little bit but nothing like this.
 
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Tracker

Tracker

Well-Known Member
Skillcraft said:
My ec is 1.4 rh is 40-45 and pH is 5.8-6.2. I just don't understand why it is the only spot on the plant that looks this way. The rest of the plant is beautiful and green. I mean I have a little tipping from pushing her a little bit but nothing like this.
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My guess is that you are on the warm/dry side of the VPD, so the plant is transpiring heavily and sucking up a lot of nutes. I think that is what made the leaf crispy/burned. I like to run indoor on the warm/dry side of VPD also, to avoid PM and mold. I've seen this symptom of crispy leaf before when pushing in a warm/dry environment, and the ppfd was lower than yours.
 
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Skillcraft

Well-Known Member
Tracker said:
My guess is that you are on the warm/dry side of the VPD, so the plant is transpiring heavily and sucking up a lot of nutes. I think that is what made the leaf crispy/burned. I like to run indoor on the warm/dry side of VPD also, to avoid PM and mold. I've seen this symptom of crispy leaf before when pushing in a warm/dry environment, and the ppfd was lower than yours.
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Ok. I'm will drop nute strength and see how she does. I will also try and balance out vpd a little closer to chart. I have run all my grows at same vpd and this is the only time I have had a problem.
 
Tracker

Tracker

Well-Known Member
Skillcraft said:
Ok. I'm will drop nute strength and see how she does. I will also try and balance out vpd a little closer to chart. I have run all my grows at same vpd and this is the only time I have had a problem.
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I never try to be in the sweet spot on the VPD chart. After experiencing mold/PM problems years ago, I always stay on the warm dry side. Perfect for me is 83f and 45-50%RH with lots of air movement.
 
Tracker

Tracker

Well-Known Member
Skillcraft said:
That is about what I run mine at. Think I should just adjust feed regiment?
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The only damage I could see in the pics is on the leaves, not on the flowers, so that's not too bad. The plants are past the hungriest part of their life cycle now. I would reduce the feed a tiny bit. Cut off the damaged leaf, it's not doing anything for the plant.
 
S

Skillcraft

Well-Known Member
Tracker said:
The only damage I could see in the pics is on the leaves, not on the flowers, so that's not too bad. The plants are past the hungriest part of their life cycle now. I would reduce the feed a tiny bit. Cut off the damaged leaf, it's not doing anything for the plant.
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Thanks brother I appreciate your help.
 
Two pa

Two pa

Well-Known Member
DoubleAtotheRON said:
How's everybody dealing with this heat? I know we just got a 2 day break (low 90's), but this triple digit shit is nuts. I've had water running 24/7 for about 8 days/nights now just to keep the lawn green. I got a Big Detroit Energy strain that seems to love it tho!.. green from head to toe, and flowering nicely.. White Widow is on the struggle bus, and of course, the indoor is doing fine. Im sure ready for Fall. 103-109 expected here for the unforeseeable future.
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The heat is tuff in TULSA..after last year i bought two 12x20ft 90% uv block nets.from harbor frieght. 60bucks each. i just took them off a week ago..i popped seeds nov 19. Put my first 12 girls outside april 2. Killed the males. 1st 5 plants Harvested june 21..i still have 12 big girls and a 3ft snowday strain..
 

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oldsilvertip55

oldsilvertip55

Well-Known Member
DoubleAtotheRON said:
How's everybody dealing with this heat? I know we just got a 2 day break (low 90's), but this triple digit shit is nuts. I've had water running 24/7 for about 8 days/nights now just to keep the lawn green. I got a Big Detroit Energy strain that seems to love it tho!.. green from head to toe, and flowering nicely.. White Widow is on the struggle bus, and of course, the indoor is doing fine. Im sure ready for Fall. 103-109 expected here for the unforeseeable future.
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they say week or two of bad heat , west coast to get a big blowflood type from weekend storm.
 
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