Phosphorus, overwatering, or moisture stress?

xIPhobiaIx

Active Member
Bottom leaves curling up and turning patchy brown/blackish before wilting on falling off.

Any help would be appreciated!
 

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Growth is kinda off. Are these clones ?

They seem genetically weak. No real lateral growth.
You have all the lighting they need but for some reason they seem weak. It looks like you have a couple of them showing issue. With the number of plants going you could just cull them.
 
Growth is kinda off. Are these clones ?

They seem genetically weak. No real lateral growth.
You have all the lighting they need but for some reason they seem weak. It looks like you have a couple of them showing issue. With the number of plants going you could just cull them.

They were just brought in and not yet topped
 
P def is easy to identify. It goes grey/grown and no yellowing on the older leaves progressing to new fan leaves. Which is what you have.

Question is what medium, feed are u giving them?!
 
How is the drainage of your soil?
And how compacted is it?
Root stress?

Could be a lack of oxygen to the roots, and that can present as a nutrient deficiency. Not because your medium doesn't have what's needed, but unhappy inefficient roots can't supply it when and where needed.
 
Looks like more than 1 issue here dude. Did you spray the plants with something??

Room Temperature?
Room Humidity?
Airflow?
How often are you watering?
 
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