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Have A Plant Problem? Check Here First

Discussion in 'Marijuana Plant Problems' started by justatoker, Feb 2, 2009.

  1.  
    Javadog

    Javadog Well-Known Member

    When I see this, I have usually burnt the roots with an overfeed.

    I typically do not feed during Veg.....this might be why. :0)

    Hard to say for sure. I would flush one well and then let it go fully dry.
    I am betting that it will pick up before a re-water is needed.

    It is hard to say, and I am no expert, but they do look a little yellow, and all over.
    (yellow at the bottom only is just hunger)

    Good luck,

    JD

    P.S. Let me add: This is worth the time. Mo has said that fast growth as you
    go into flower means strong flowering and he is right. You do not want the weak
    buds that yellow plants make. Wait until they respond. :^/
     
    Crippykeeper likes this.
  2.  
    Crippykeeper

    Crippykeeper Well-Known Member

    It’s safe to say it’s the pesticide look up Phototoxicity and feed
    In veg is really important I
    Neglected my last crop in veg and ended up with a few gassed out plants. Good luck happy growing as for the damage Some of the leaves wilting yellowing and some got dried up and dark from On day to the next
     
  3.  
    MrsGreenThumb79

    MrsGreenThumb79 Member

    Ok I have an issue that I can't find an answer to. I noticed dark green splotches and the leaves are curling under from the tips and sides. It's a hydro grow with a 1200 watt full spectrum led I'm using blue planet nutes and have been feeding slightly less that recomended. My pH stays at 6.7 ppm was high last week (1200) but i got it back down to 900ish. I have added a pic. Please help.
     

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  4.  
    Crippykeeper

    Crippykeeper Well-Known Member

    How’s the humidity is there any mold on leaves. If not could be nitrogen deficiency
     
  5.  
    MrsGreenThumb79

    MrsGreenThumb79 Member

    No mold humidity is low very low it bounces between 37 and 47.
     
  6.  
    MrsGreenThumb79

    MrsGreenThumb79 Member

    I'm going to feed her a little extra nitrogen tonight when I get home I do have a question about that though will it correct the already blotchy leaves or not
     
  7.  
    Draglock

    Draglock New Member

    Guys! I need some quick help! This is my first ever grow, 4 weeks into flower!
    Everything was going GREAT until this point.. I saw some leaves starting to get clustered brown spots & thought it was spider pests, so I sprayed a solution on it.
    But now I'm just torn.. because after adding baking soda to my water to raise the pH (very stupid choise but time was extremely tight) all the leaves started to brown extremely fast and get dried up & die! so I started flushing, and have hopefully removed any traces of baking soda in the soil but it keeps on browning! Is this a pest problem? Images attached. IMG_20171202_141732.jpg IMG_20171202_141739.jpg
     
  8.  
    Crippykeeper

    Crippykeeper Well-Known Member

    I don’t believe it will repair the blotchy leaves but will help prevent further damage. Good luck
     
    MrsGreenThumb79 likes this.
  9.  
    Crippykeeper

    Crippykeeper Well-Known Member

    To be honest at that stage of their lives the start to get some leaves dying after the flush feed with plain water for a the next two feedings just to
    Be safe then feed 2-3 more times with half strength nutes by then it should be time to flush and chop good luck
     
  10.  
    Draglock

    Draglock New Member

    Thank you so much! I was questioning if it was a lost cause or not and was debating killing her, but after reading your response i'll def try to keep her goin'! thx again
     
  11.  
    Crippykeeper

    Crippykeeper Well-Known Member

    Definitely don’t kill her the buds look fine and you have crystals on them.
     
  12.  
    andy s

    andy s Well-Known Member

    looks like late stages of a calmag def to me
     
    Crippykeeper likes this.
  13.  
    Wizzurm

    Wizzurm New Member

    Hey everyone, I'm new to the site and to growing. I was wondering if anyone could help me figure out why my plant's leaves are curling or cupping. Humidity is 45%, Temp is around 73-78 degrees and using 1/2 recommended nutrients for this stage of growth(week 1 1/2). Any feedback is greatly appreciated!
     

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  14.  
    Javadog

    Javadog Well-Known Member

    What soil are you using?
     
  15.  
    andy s

    andy s Well-Known Member

    thats heat stress man
     
  16.  
    OneWithTheDank

    OneWithTheDank Member

    Hey everyone! I’m really panicking.

    Are these fungus gnats or aphids?

    Any help would be appreciate. Thanks
     

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  17.  
    Wizzurm

    Wizzurm New Member

    Are you sure it's heat stress??? Like I said: Temps are around 75 degrees F. and the plant is sativa dominant which I thought to be tolerant of greater heat conditions in the first place.
     
    Last edited: Dec 11, 2017 at 7:44 PM
  18.  
    Javadog

    Javadog Well-Known Member

    Those are definitely fungus gnats.....you can tell by the antennae.

    [​IMG]
     
  19.  
    Wizzurm

    Wizzurm New Member

    Adding a layer of play sand onto your top soil can really slow those fungus gnats down.
    It can be a benefit to your crop as well!
     
  20.  
    Cali-kush420

    Cali-kush420 New Member

    What could cause this on my indoor soil grow have no insects or nice think its a fungus is eating my plants branches all at same spot pls help
     

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    andy s likes this.

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