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Yellow Curled Leaf Tips

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    Yellow Curled Leaf Tips

    The attached picture is a photo dependent Gorilla strain. The plant is 60 days old and grown in a medium with compost/soil/perlite.

    Watering: I typically water them every 5-7 days with two liters of water. I only water if the soil to the my first knuckle is dry and the pot feels light. Noticed on the last watering had very little run off. Not your 10% you read about. Was planning to increase the water to 2.5 L on the next go around.

    Nutrients: With every watering been sticking to a NPK ratio of 3:1:1 [at a 50% manufacturer dosage level], mixed with 5 ml of seaweed fertilizer [for the 2L of water]. I mix molasses or about 5 ml of humic acid every other watering. Plan to start skipping neuts and go to every second feed.

    Topping: Been topped a total of five times and FIMM'd once. That's it for this. As you can see from the side view, the bottom part has been pruned off.

    Problem Statement: If you look at the top view, you will see a leaf is yellow at the tip only and curled up. Been there for about 10 days and now noticing a second one. When I read about it, it can be - Too much or too little water, lights too close, a nitrogen OD, and the list can go on.

    This is my second grow and thought I would present it here. Have no clue what to try next and appreciate any thoughts.

    Cheers,
    Ravi
    Attached Files

    #2
    I'd drop the N down and up the PK a bit. It's flowering and they look bad. What is your humidity? If it's above 60%RH you may have bud rot.

    Temps need to be under 80⁰F.and you have minor clam shelling of the top leaves so lift the light a few inches.

    You have nute burn but that should be OK.

    As for the watering, no idea. Leaves look overwatered but I doubt it given your frequency...if you have a lot of soil in the mix it should be ok but if you have very little and its draining well you may need more frequency..not sure on that.
    Flower Room: 11' x 7' x 7.5'H, 480w AC, 13gal/day dehumidifier, 1.5gal ultrasonic humidifier, 60gal (27gal usable) nute tank, 16" pedestal fan & 18" wall fan. Lighting and climate automated. Hand watering.
    Veg Cupboards: ​​​​​​Two 4x2x6H cupboards. SF2000 Evo in one SF7000 in other. Climate controlled and automated. Hand watering
    Aeroponics Low Pressure Bucket: 20W LED. 5 clones & 20W LED 11 clones
    Lights: Mars Hydro FC-E1200W, SF-7000, SF-2000 evo in flower room.
    Medium: Coco/perlite, 7.2gal pots, no drains
    Current Grow: ​​​5 x Photos Franklin's Orange Zkittles x Sour Diesel in flower room, 3 Franklin's White Widow x Sour Diesel Clones, 13 x Orange ZkittleZ x Sour Diesel clones in Aeroponics buckets x 2.
    Last Grow: A mix

    Comment


    • Ravi
      Ravi commented
      Editing a comment
      Thanks Bluey this is a perplexing problem. I see the plant this morning and the leaves look droopy like its lacking water. Been six days since her last drink. It's still on a 18/6 light schedule, so it cannot be flowering. This feeding shall skip the nutrients and give it 2.5 L instead of the normal two liters.

    • Ravi
      Ravi commented
      Editing a comment
      UPDATE after my last comment. A total of 250 ml of water drained, about 10%. The water drained immediately.

    • Bluey
      Bluey commented
      Editing a comment
      What have the temps and humidity been?

    #3
    The temp is around 28 C or 82 F. The humidity is around 60%.

    Comment


      #4
      After the watering the leaves are no longer droopy.

      Comment


      • Bluey
        Bluey commented
        Editing a comment
        Photo please.

        By the look of your plant I'd say its been too hot for too long.

        You sure it's not in flower? I reckon I can see a couple of bud sites with pistols

      #5
      I am pretty sure she is not flowering. Looks healthy today, a day after her drink

      Comment


        #6
        That looks like to much water to me. Its very easy to do.
        SF 35X47X70 tent
        SF1000 X4
        AC Infinity 6 inch exaust fan
        AC Infinity ocillating fan X2
        FFOF Soil
        FF Soil Trio. and CalMag
        GH Flora Series
        3 and 5 gallon fabric pots

        Mango Sherbert
        Gelato Cake
        Grape Icecream auto by going2fast

        Comment


        • Ravi
          Ravi commented
          Editing a comment
          If it is, not sure why the top part of the soil feels dry or the pot is light. Couple that with the fact that, after watering the leaves do not droop. The jury is out.

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