Brown Spots and Yellowing of the Leaves

tatersalad

tatersalad

Member
My outdoor plants have some yellow leaves with brown spots too but so does all the local vegetation. It's been a very wet season, lots of rain. So my best guess is too much water and/or a fungus problem..
 
G

Greengrower87

Member
Guys I'm having this problem spots start small and then turn into larger spots then the leaves start turning yellow and crispy my lights are 18 on 6 off I have 5 going 1 is really bad with this and other might have a few spots but nothing too bad what do you think is wrong I hit them with a flush then some cal mag just kills me I cant find out the problem any help would be great20190510_210424.jpg 20190510_210447.jpg 20190510_210447.jpg
 

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Benframpton302

Benframpton302

Member
Do you need sleep to function & grow? Then so do they...I suggest at least 4 hours of dark!
foolione said:
i have 2 plants groing under a 12 inch flourescent, and to standard grow light bulbs from home depot one is 120watt and the other is 65watt (at night) ..... at about 8am in the morning i put them outside in direct sunlight everyday and bring them in (under the lights i just explained ) at 6pm all night so that i can have them under 24 hr lighting for maximum growth..... first question is this healthy or am i harming my plant?, i ask because recently i am seeing brown spots on the leaves and a little bit of curling leaves.....2nd question what can the brown spots be from?

ill appriciate it for some feedback fellas, thanks
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Keesje

Keesje

Well-Known Member
Benframpton302 said:
Do you need sleep to function & grow? Then so do they...I suggest at least 4 hours of dark!
Click to expand...
Wrong.
Cannabis is a C3 plant and C3 plants don't need darkness when they are in veg state.
With an autoflower you could even do a whole grow - start to finish - with lights on 24/7.
 
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