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My yellow spots on leaf question

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    My yellow spots on leaf question

    I noticed this, today, after noticing a few yellow leaves at the bottom of the plant over the last two days. The only images I can find that look like this are leaf septoria or some sort of mite. The spots are starting on the lower popcorn nugs and up to top fans. It's not a lot, at this point. The leaves are in the corner of my tent where there is less circulation and near my supply vent. There may be an air leak blowing onto the plant. I don't see any signs of living pests.
    I'm about 2-1/2 weeks into flowering and have been heming and hawing about a third week defoliation. Whatever this is, I may be doing a defoliation by the end of the day
    Defoliation, get the plant out of the tent, improve circulation.

    Who thinks what?
    Attached Files
    o
    /\:/\
    / \
    3'x3'x6' veg and flowering tent
    Sunshine
    HLG 360 Elite QB
    5 Black Domino Solo 7/15
    1 Great White Shark Solo 7/15
    Fox Farm Trio nutes
    FF Grow Big foliar spray
    Root Excelurator Gold
    Kellogg Garden Potting soil 60%
    Perlite 40%
    Diatomaceous earth
    Venus flytrap

    #2
    It looks like leaf septoria. Especially if you're justentering flowering. Low humidity and air circulation are crucial. Remove the affected foliage if possible.
    Ask questions, take notes, and check your pH regularly. 😌

    2 x 2 x 4 Tent
    300W full-spectrum light , 11. in from canopy

    MiracleGro soil (0.21 - 0.18 - 0.14)
    Expert Gardener Plant Food (24-8-16)
    Humboldts Secret Calmag & Iron (2-0-0)
    FlowerFuel (0-34-32)

    Phase: Flowering, 3 weeks in

    Comment


      #3
      Thanks Gjourney101 My tent is open during the day and gets whatever ambient temperature and humidity there is. Nothing I can do about it. But it gets enough breeze through my front door that the plants get to rockin'. The ventilation at night is probably the issue. The temperatures are only in the lower 70's when the flaps are closed. Haven't checked humidity for a while.
      Looks like I have some work ahead of me... I'll dab you what happens.
      o
      /\:/\
      / \
      3'x3'x6' veg and flowering tent
      Sunshine
      HLG 360 Elite QB
      5 Black Domino Solo 7/15
      1 Great White Shark Solo 7/15
      Fox Farm Trio nutes
      FF Grow Big foliar spray
      Root Excelurator Gold
      Kellogg Garden Potting soil 60%
      Perlite 40%
      Diatomaceous earth
      Venus flytrap

      Comment


        #4
        Sounds good wish you the best. Just monitor closely and keep an open mind if any other problems appear. If it's only a leaf or two, you caught it fairly early.
        Ask questions, take notes, and check your pH regularly. 😌

        2 x 2 x 4 Tent
        300W full-spectrum light , 11. in from canopy

        MiracleGro soil (0.21 - 0.18 - 0.14)
        Expert Gardener Plant Food (24-8-16)
        Humboldts Secret Calmag & Iron (2-0-0)
        FlowerFuel (0-34-32)

        Phase: Flowering, 3 weeks in

        Comment


          #5
          I just realized there has been standing water in the saucers. Perhaps another issue...
          o
          /\:/\
          / \
          3'x3'x6' veg and flowering tent
          Sunshine
          HLG 360 Elite QB
          5 Black Domino Solo 7/15
          1 Great White Shark Solo 7/15
          Fox Farm Trio nutes
          FF Grow Big foliar spray
          Root Excelurator Gold
          Kellogg Garden Potting soil 60%
          Perlite 40%
          Diatomaceous earth
          Venus flytrap

          Comment


          • alltatup
            alltatup commented
            Editing a comment
            GB, are you trying to grow top shelf bud or mediocre bud?

          • Gingerbeard
            Gingerbeard commented
            Editing a comment
            I feel like that's a trick question, ATU. I'll go with top-shelf.

          #6
          Definitely doesn't promote anything good. As long as it hasn't been there for a week or so.
          Ask questions, take notes, and check your pH regularly. 😌

          2 x 2 x 4 Tent
          300W full-spectrum light , 11. in from canopy

          MiracleGro soil (0.21 - 0.18 - 0.14)
          Expert Gardener Plant Food (24-8-16)
          Humboldts Secret Calmag & Iron (2-0-0)
          FlowerFuel (0-34-32)

          Phase: Flowering, 3 weeks in

          Comment

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