Need help not sure what is going on and have stumped multiple experienced growers

  • Thread starter Hensonmph420
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Hensonmph420

Hensonmph420

12
3
Not sure what is going on but my plants are hurting and no one can tell me what is wrong, please see pics and let me know what you think, I don’t want to lose my whole crop. I do not see any signs of bugs or mold and I do feed them fox farms big bloom and fox farms tiger bloom which they get 2 tbs of big bloom and 2 teaspoons tiger bloom per gallon of water and plants are in 35 gallon fabric pots with pro mix as the medium, they get watered everyday one gallon each and are fed on day 1 3 and 5 of the week with the above mixture. Please let me know your thoughts.
 
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PauliBhoy

PauliBhoy

221
63
I'm 99% sure that is Septoria leaf spot. Remove infected leaves. Treat with sulfur or Oxidate 5.0. Move your plants to a different location if you can, or mulch the ground around the pots.

Here's a photo of Cannabis with Septoria, confirmed by lab testing:
septoria.jpg
 
Last edited:
Pushrod Monkey

Pushrod Monkey

627
93
Your watering method leaves very much to desire. Huge container but minute volumes of liquid. Suggested volume is usually 25%-33% of container volume.

Allow the first few inches to dry out and not not easily support funguses.
 
ComfortablyNumb

ComfortablyNumb

4,445
263
Ok, Odd man out. That is magnifying glass burn. I also see what seems to be a pH issue. The two together present as something else.
You can prove this to yourself by getting a paper napkin and a mag glass and go outside and burn 3 or 4 holes in it. They look exactly the same as these.
Combine that with some sort of pH lockout and you get the weird withering you see.
 
Hensonmph420

Hensonmph420

12
3
Your watering method leaves very much to desire. Huge container but minute volumes of liquid. Suggested volume is usually 25%-33% of container volume.

Allow the first few inches to dry out and not not easily support funguses.
How should we be watering I guess I don’t understand, each plant gets 1 gallon of water a day and then on days Monday Wednesday and Friday they get food added to their water
 
ComfortablyNumb

ComfortablyNumb

4,445
263
Basic Watering

Watering SOIL
 
Hensonmph420

Hensonmph420

12
3
Ok, Odd man out. That is magnifying glass burn. I also see what seems to be a pH issue. The two together present as something else.
You can prove this to yourself by getting a paper napkin and a mag glass and go outside and burn 3 or 4 holes in it. They look exactly the same as these.
Combine that with some sort of pH lockout and you get the weird withering you see.
That is what I was thinking is a burn, as I don’t see any signs of bugs or mold or even fungus as nothing rubs off of the leaves at all it is just really thin where it is burnt like someone burned it with a cigarette or something or splashed chemicals all over it, as far as ph how do I test for this
 
Hensonmph420

Hensonmph420

12
3
Basic Watering

Watering SOIL
Thank you that was a good read for sure
 
ComfortablyNumb

ComfortablyNumb

4,445
263
That is what I was thinking is a burn, as I don’t see any signs of bugs or mold or even fungus as nothing rubs off of the leaves at all it is just really thin where it is burnt like someone burned it with a cigarette or something or splashed chemicals all over it, as far as ph how do I test for this
When you spray them the water drops act like a magnifying glass and burn holes in your plants.
shake the plant gently after the water spray to remove water from the leaves.
Add the pH issues and no wonder it confuses people.

Get a peice of pvc about 1 inch ID, a foot long. Sharpen one end. Use that to take a 'core' sample of your soil and do a slurry pH test. It should be 6.3 - 6.5
 
dirtyoldman

dirtyoldman

73
33
I'm 99% sure that is Septoria leaf spot. Remove infected leaves. Treat with sulfur or Oxidate 5.0. Move your plants to a different location if you can, or mulch the ground around the pots.

Here's a photo of Cannabis with Septoria, confirmed by lab testing:

Yep. Septoria. Neem Oil Helps too but more as a prevention.
 
Santa.ClausHOHOHO

Santa.ClausHOHOHO

100
43
I have the exact same issue, Leaf Septoria.
I have it under control, but not completely gone. I have been using Lost Coast Plant Therapy. But there are several home remedies.
I removed as much as I could (12 Monsters) Then spray. It wont be completely gone, I do daily removal, if I see any tiny specks of it snip snip. Defoliating helped a lot as well as putting several fans in the garden. Mine are outside. It loves stagnant moist humid air. It takes a good while to remove it. It will start creeping into and onto the sugar leaves and onto the flowers. I snip it away as best I can. Keep your snips clean with alcohol. I am not very good at staying neat and clean, but getting better. Put the clipping directly into a garbage bag and dispose or BURN it. DONT toss on the ground to rake up later, toss right into a bag.
Stay vigilant because 2 days later you will see it reemerge, but not as bad, stay after it.
 
Hensonmph420

Hensonmph420

12
3
I have the exact same issue, Leaf Septoria.
I have it under control, but not completely gone. I have been using Lost Coast Plant Therapy. But there are several home remedies.
I removed as much as I could (12 Monsters) Then spray. It wont be completely gone, I do daily removal, if I see any tiny specks of it snip snip. Defoliating helped a lot as well as putting several fans in the garden. Mine are outside. It loves stagnant moist humid air. It takes a good while to remove it. It will start creeping into and onto the sugar leaves and onto the flowers. I snip it away as best I can. Keep your snips clean with alcohol. I am not very good at staying neat and clean, but getting better. Put the clipping directly into a garbage bag and dispose or BURN it. DONT toss on the ground to rake up later, toss right into a bag.
Stay vigilant because 2 days later you will see it reemerge, but not as bad, stay after it.
Thank you so much and I do believe this is it, do you happen to know any good home remedies to get rid of it cause I have 13 monsters and don’t want to lose them
 
freezeland2

freezeland2

1,134
163
How should we be watering I guess I don’t understand, each plant gets 1 gallon of water a day and then on days Monday Wednesday and Friday they get food added to their water
I have my plants in 10 gal fabric pots and it takes two gallons to get to run off. 1 gal for a plant in a 35 gal fabric pot ain’t enough water. Don’t matter you are giving it to it everyday.
 
Hensonmph420

Hensonmph420

12
3
I have my plants in 10 gal fabric pots and it takes two gallons to get to run off. 1 gal for a plant in a 35 gal fabric pot ain’t enough water. Don’t matter you are giving it to it everyday.
So if I water to the point they run off how often should I water
 
freezeland2

freezeland2

1,134
163
So if I water to the point they run off how often should I water
Depends how long it takes to dry out. I’d guess a fab pot that size in warm weather about 4 days. Possibly five. Watch the leafs, they’ll tell you when to water. When they droop it’s time to water to run off again and so on.
 
Hensonmph420

Hensonmph420

12
3
Depends how long it takes to dry out. I’d guess a fab pot that size in warm weather about 4 days. Possibly five. Watch the leafs, they’ll tell you when to water. When they droop it’s time to water to run off again and so on.
This is awesome thank you so much and when you say run off you mean till the water starts coming out onto the ground from the pot correct
 

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