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Brown, wilted leaves

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    Brown, wilted leaves

    Hello dear fellow growers, I need your expertise.

    My plants (white widow) are 5-6 weeks into flowering, and now very suddenly developed both yellow markings and especially wilted, brown leaves (see photos). It came extremely quickly out of nowhere and on all the plants in the growroom. On each, only the top part of the plant is affected, further down they look healthy (see last photo).

    The lights (600W LEDs) are at about 20 cm distance from the top. I use the T. A. Tripart nutrients and have upped the amount lately(a bit higher than what's recommended on the bottle), could it be a nutrient burn? Do you think it's the same problem (wilted leaves/yellow markings) or two separate ones? (I'm more concerned about the former, it's much more prominent). What else could be the problem?

    Growing in soil (parts perlite and coco coir)
    600 Watt LEDs / 12/12 light plan
    pH 6.4
    Watering every 3 days with 10+% extra runoff

    Thanks for any tips and happy growing!
    Attached Files
    Last edited by FlyingHedgehog; 05-17-2021, 05:26 AM.

    Nutrient burn and light burn. Cut your nutes to 50% and move that light out to at least 50 cm.
    The leaves won't recover but it might still grow out ok.

    Tell us more about your pH, watering cycle/habits, medium and such and we can help more great on the pics though!
    Last edited by Catfish22; 05-16-2021, 10:48 AM.
    2X4X6 Quictent
    1.5x3x5 Gorilla tent
    600w LED (80)
    1000w LED (180)
    2 X Viparspectra P-1000
    2 X 4" fan with carbon filter ducted to unused boiler chimney
    6" battery/usb fans
    Mother Earth 70/30 coco/perlite
    GH trio with Calimagic
    Lung room humidifier
    3 and 5 gal plastic buckets Nebulas coco for autos nute schedule.
    ArmorSi, kelp when needed
    Running at pH 6.0

    Grow 3
    Northern Lights auto
    auto 00 Kush

    Grow 4 8/23
    2x Northern lights auto
    1 auto 00 Kush
    1 Critical photo

    Don't just "grow weed",
    Cultivate a masterpiece.


    • FlyingHedgehog
      FlyingHedgehog commented
      Editing a comment
      Ok, thanks a lot for the advice!! I'll do as you recommend. Adding the other information to the post now!

    I agree with Catfish22 little too much light and a bit overloved
    Smoke Ganja create Peace Respect Nature don't trash the Planet

    Soil grower with coco/perlite mixed in
    indoor/outdoor grower
    1 36"x36"x66" tent- Viparspectra P2500
    1 3x3x6 tent- used in late spring for seedlings both veggies & weed. I have 2 viparspectar 450r for that tent.
    I use a t-5 & 54watt CFL for seedlings
    Sometimes i use plastic sometimes i use fabric grow containers
    Currently using fish/guano during veg growth & FF Grow Big 6-4-4 teens to bloom. Once i see pre-flower i switch to
    Age Old Organics Bloom 5-10-5


    • FlyingHedgehog
      FlyingHedgehog commented
      Editing a comment
      I can work with that Thanks for your reply!

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