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 pong
 
Registered: 05/01/08
Posts: 548
Last seen: 14 years, 9 months
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 Black spots on my leaveeesss! 
#213704 - 04/08/09 09:04 PM (15 years, 7 months ago) |
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the new growth is great!
but older growth, (just one node behind) have black spots.
wtf?
any imput ?
pic to come tonight.
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MARIJUANNNANNANNNANNNANNNANNANNANNNNNANANANAAAAAAAAA!!!!
MY GROW
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pong
Registered: 05/01/08
Posts: 548
Last seen: 14 years, 9 months
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Re: Black spots on my leaveeesss! [Re: pong]
#213790 - 04/09/09 07:42 AM (15 years, 7 months ago) |
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PICS!!!
   
whats up with it?
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MARIJUANNNANNANNNANNNANNNANNANNANNNNNANANANAAAAAAAAA!!!!
MY GROW
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 Dr. Penguin
Registered: 05/19/08
Posts: 1,036
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Re: Black spots on my leaveeesss! [Re: pong]
#214142 - 04/09/09 11:04 PM (15 years, 7 months ago) |
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I can't really tell from the pics but are the spots black? Are there any other discolorations or abnormalities? How old are the plants, and how often are you feeding? With what?
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pong
Registered: 05/01/08
Posts: 548
Last seen: 14 years, 9 months
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Re: Black spots on my leaveeesss! [Re: Dr. Penguin]
#214384 - 04/10/09 05:11 PM (15 years, 7 months ago) |
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no new spots have been forming. i am using half strength cutting edge solutions 3 part with cal mag.
i used tap watr to water a couple of times in the begining.
the tap water measured to have an 8.5 or above ph.
some plants burned slightly when introduced to the nute solution others just exploded with growth.
now the runoff pH is around 6.5
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MARIJUANNNANNANNNANNNANNNANNANNANNNNNANANANAAAAAAAAA!!!!
MY GROW
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Triptonic
Registered: 06/13/08
Posts: 15,581
Loc: 
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Re: Black spots on my leaveeesss! [Re: pong]
#215098 - 04/12/09 10:12 PM (15 years, 7 months ago) |
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The black spots are bug shit. Mites, or whatever, you need to work on pest control. 3 steps I would take after washing the leaves with dish soap as suggested. You can just wash them once, then:
1) sprinkle diatomaceous earth on the surface of the soil. This kills insects that live, breed, or land on the soil.
2) mist the plant with neem oil. This kills mites if you have them and protects the plant from further attacks from any insect.
3) put yellow sticky traps around your plants to monitor if the pests come back.
http://boards.cannabis.com/plant-problems/3193-black-spots-leaves-wtf.html Found this info here...... but maybe thats what it could be.
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