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New growth yellowing, what's going on?

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    #1

    New growth yellowing, what's going on?

    Hey guys, so the new growth of my autoflower (orion f1) seems to be yellowing for some reason.

    Temperatures around 24-28°C at daytime, 18-22 at night. Humidity 45-55%. Day 27 after germination, Orion F1 Auto. Nutrients are everything from Biobizz, only used half the recommended dose of fish mix until now. Soil is Biobizz all mix, 25L fabric pots around 20L filled. Light is a MarsHydro ts1000 at 150W, 100% usage at around 60cm light height. pH is at around 6.8 in soil.
    3 Photos
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    #2
    Can you see what your asking us to look at with these dark pics?
    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

    Comment

      #3
      It's hard to say but I am thinking it's in flower and trying to reveg.

      Also, it's quite marginal and I may be wrong, but you may be starting to suffer from a very small magnesium deficiency but I'm only guessing as plant symptoms at the start of that vary plant to plant.
      Grow 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, fertigation and climate automated
      Lights: 2 x SF-7000, 5 x 30w 660&730nm supp. red boosters for flower
      Medium: Coco/perlite, 13gal pots for photos, 7.2gal pots ¾ filled for autos, no drains
      Current Grow: ​​​4 x Autos Franklin's AK47 x Red CBD, 1 x Photos Franklin's Orange Zkittles x Sour Diesel, 1 Franklin's White Widow x Sour Diesel, All feminised. 1 x sativa, I think, regular, Clones 30th March 5 x Orange Zkittles x Sour Diesel fem
      Last Grow: 4 x photos, old school, 66 days of veg flipped 25 Feb harvested day 65F 3lb11oz.
      Previous Grow: Lots of big dead mouldy buds, medium and small buds made it, barely. Primarily indica traits from sativas.. Cured in glass jars.

      Comment

        #4
        2 day update:

        The yellowing seems to get worse, this time with better lighting. Any ideas? I watered yesterday with some CalMag, TopMax, Bloom & Grow (Biobizz line), recommended dose for autoflowers. pH seems to be at around 6.8 so far (Soil).

        2 Photos

        Comment

          #5
          Click on the link "Plant Problems" (https://www.growweedeasy.com/cannabis-symptoms-pictures) then view the 3 links to yellow leaves, read all that may apply. More info than I care to typ.
          For soil the PH should be between 6.5 and 6.8 in flower.

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