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LSD25(x2) and Mexican Airlines -1st grow

3 years ago
LED / 400W
LED / 400W
Room Type
Grow medium
Photos & Videos
Grow Conditions
Week 4
18 hrs
Light Schedule
Day Air Temperature
Day Air Temperature
Air Humidity
Pot Size
Pot Size
GanjaDan GanjaDan
3 years ago
Grow Questions
GanjaDan week 4 started grow question 3 years ago
The one plant seems to be struggling and I’m not sure what the issue is, seems to be nitrogen toxicity, heat stress or overwatering? Maybe a combination of the three. It’s growing slowly and has claw like leaves and twisting yet my other plants seem fine. Anyone have any input?
Leaves. Too few
DissNoof answered grow question 3 years ago
hey there Dan, you're basically right on all points but the root cause is actually overwatering, what happened was this plant has been chronically overwatered leading to too much availability of the N in the soil, and the heat provided the perfect conditions to incubate "water mold" which has affected the roots leading to that "taco-ing" you're also seeing in the other plants. Pretty important to sort that root mold on the roots otherwise what happens is that plant can wilt and eventually die like the worst one you've got there. You need to follow a very strict wet/dry cycle and accelerate recovery by breaking down problem roots with a chelation agent. Examples of chelation agents are enzymes, amino acids, humic and fluvic acids, beneficial bacteria (but these are slower acting!) and synthetic flushing agents (faster acting!) that you can dilute a bit more than recommended. This problem is very much common so dont beat yourself up ! Hope this helps ! :rocket:
GanjaDan week 7 started grow question 3 years ago
Just looking for some input on how you think the grow is going so far or any advice towards growing LSD25 and Mexican Airlines. I’ve noticed some of the lower fan leaves yellowing and drying up, I read that is normal going into flowering just hope it doesn’t spread up the plant
Leaves. Color - Yellow
Wicked_Stix answered grow question 3 years ago
Hey Dan the plantvon the top left looks about perfect. I would do some light defoliation on it removing some of the big leaves on top that are blocking light to lower bud sites. This will oncrease your yield. The plant on the bottom appears to be slightly overfed. You can tell by the dark green foliage. I would back off of the nitrogen just a little and she will do great. That lsd on the right is a different story though. She is showing major signs of stress and is in bad shape. I dee some signs of nutrient toxicity from the clawing leaves and some heat stress from the way some of are kinda curling like a taco. Once they hit flower you want to feed less nitrogen and more pk. I would give her plain water for a couple more feedings. I also noticed you dont have a ph listed. If your ph is out of range ot can cause a long list of issues. I would pick up a ph control kit if possible. I use the general hydroponics kit and it is easy to use. Hope this leads you in the right direction.
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