mortyb
- 33
- 8
Whats ur temps like. Looks like heat stress and possibly humidity issueHi,
I've been keeping this mother in veg for about 3 months now. She's in a 5-gallon fabric pot filled with 1/3 super soil (subcools recipe) & 2/3 FFOF + FFLW. She's been fairly healthy until 2 weeks ago where she started to show signs of a nitrogen deficiency (oldest leaves started to yellow). I figured she finished all the nutes in her super soil, so I top-dressed with a 1-inch layer of super soil & now it seems like she's worse.
I'm seeing even more yellowing now & her leaves are very skinny & tacoing heavy.
Now
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1 week ago (before top dressing)
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2 weeks ago (barely any yellowing)
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Whats ur temps like. Looks like heat stress and possibly humidity issue
+2+1 on the heat/light stress... i had a bit of this when I upgraded my lights. Had to back them off a bit for a week or so.
Whats ur temps like. Looks like heat stress and possibly humidity issue
Well the good news is you know the issue and have a plan to fix itMy temps range from 85-90 degrees. I can't get it down more than that in our weather & running these HPS lights. I'm switching to LED real soon, which should help out though!
Hi,
I've been keeping this mother in veg for about 3 months now. She's in a 5-gallon fabric pot filled with 1/3 super soil (subcools recipe) & 2/3 FFOF + FFLW. She's been fairly healthy until 2 weeks ago where she started to show signs of a nitrogen deficiency (oldest leaves started to yellow). I figured she finished all the nutes in her super soil, so I top-dressed with a 1-inch layer of super soil & now it seems like she's worse.
I'm seeing even more yellowing now & her leaves are very skinny & tacoing heavy.
Now
View attachment 966111
View attachment 966115
View attachment 966096
View attachment 966122
1 week ago (before top dressing)
View attachment 966092
2 weeks ago (barely any yellowing)
View attachment 966093
Aqua is right about the heat and needing more humidity
as a side note: I would follow vpd and get your airflow and humidity based on your temps or your plants won’t ever be happy , read the article and follow the chart on the article . You will be amazed how much that changes the game and the plant can fight even 90-100f weather ( if it has the proper vpd and airflow )
The Ultimate Vapor Pressure Deficit (VPD) Guide
"Why devote an entire guide to VPD?" you might ask. The answer is that the vapor pressure deficit (VPD) is extremely important for growing plants. VPD helps you identify the correct range of temperature and humidity to aim for in your grow space. With VPD you can achieve the best results while...pulsegrow.com
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