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Old 10-12-2010, 10:34 AM
straindrain straindrain is offline
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Default DWC Hydro Leaves Curling Down w/ spots

Hi everyone,
I'm having a problem I can't seem to diagnose based on my searches. My leaves are cupping down and it looks like I have mild nute burn in the form of rust spots on lower leaves (no pest issue).

Setup:
DWC
Growing GDP
Temp 72-75 F
Humidity 40-50%
Lucas method:GH Flora 7ml micro /14ml bloom with 2 gal res,
(2) 105W(actual) 5000k cfl's
Plants are about 4 inches from light.
ppm 827
PH hangs about 6.2/6.3 every morning before I adjust it back to 5.8
I add water and Nutes as needed based on lucas calculation

I have diluted the nutes in the res and ppm now reads 782.

I also have the same plant growing in soil with compost and it exhibits the same curling of the leaves and some nute burn. I do not add nutes to the potted plant because it has nutrients in the compost mix. I water about 1-2 times per week, when soil feels dry a few inches down.

I'm curious how they have the same problem.

any advice would be appreciated
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  #2  
Old 10-12-2010, 10:37 AM
teamster6
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They look like you have too high of nitrogen. They may be trying to lock out. Flush the hell out of em and keep the ph in the 5.8 range. Back off the nitrogen for a while

:beerchug-2:
Teamster6
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  #3  
Old 10-12-2010, 10:38 AM
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Default they look like peppers to me

some one will be along directly to help you...not seen that problem before...but i feel confident you will get the help you need...good luck
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Old 10-12-2010, 10:42 AM
straindrain straindrain is offline
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Default DWC Hydro Leaves Curling Down w/ spots

teamster6,
I thought that it was nitrogen toxicity, but I wanted to make sure. Thanks for the input. I'm curious to hear any others. Thanks in advance.

ncmaineac,
They do look like peppers. That's why I couldn't find anything in my searches.
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Old 10-12-2010, 01:32 PM
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Question flower veg flower

With those cuttings taken from a flowering plant That were reveged?
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Old 10-12-2010, 02:01 PM
straindrain straindrain is offline
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Default DWC Hydro Leaves Curling Down w/ spots Reply to Thread

mt. king,
They were taken from an outdoor grow. I didn't see the condition of the mother. The female hairs were showing when I received them, but I don't know if they were flowering. I don't know if they have been re-vegged. Thanks for your input.
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Old 10-12-2010, 02:13 PM
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They are revegged. They came from outdoor flowering plants. That accounts for the single bladed leaves. t looks like pH issues too or just too much nutes.
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Old 10-12-2010, 02:23 PM
straindrain straindrain is offline
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Quote:
Originally Posted by rasganjah
They are revegged. They came from outdoor flowering plants. That accounts for the single bladed leaves. t looks like pH issues too or just too much nutes.
rasganjah,
Ok... I see. Revegged. That's possible as the mother was outdoors. Anyone knows what is causing the cupping leaves?
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Old 10-12-2010, 02:29 PM
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give water only for a couple weeks. They should start to grow new normal leaves. Curling could be due to the fact that they were n flower mode and you gave too much N. Give just water until you see new normal growth.
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Old 10-12-2010, 02:54 PM
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Quote:
Originally Posted by rasganjah
give water only for a couple weeks. They should start to grow new normal leaves. Curling could be due to the fact that they were n flower mode and you gave too much N. Give just water until you see new normal growth.
I was wondering what was wrong with the leaves. Thanks for the advice rasganjah. Any idea on the rust spots on the leaves? Thanks.
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