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Holes In Leaves ?

Discussion in 'General Plant Topics' started by yusuf saraç, Apr 4, 2018.

  1. yusuf saraç

    yusuf saraç New Member

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    Can you guys tell what is missing in my plants ? The leaves have holes and some yellowing on them. I'm using diy co2 and diy ferts (npk and micro elements)

    20180404_223126.jpg

    20180404_223131.jpg
     
  2. Allwissend

    Allwissend Article Editor
    Staff Member Lifetime Member Article Editor

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    Hi yusuf,

    From the photos alone I could guess low N and maybe low Mg levels. There are yellow patches in old leaves and yellowing from the edges/tips. Some interveinal chlorosis is also visible. The large wholes form in severely damaged leaves as the tissue is removed by bacteria or snails. The plants do not seem very dense.

    The above being said, it is only a guess. A very blue-sky guess. It would help reduce the guesswork if you also provide the following:
    • dose levels (in mg/L or ppm), dose frequencies (every day etc), starting molecule/product( eg. KNO3, Seachem Iron, etc)
    • water changes
    • temp, GH, KH, other nutrients test results available
    • light (type, duration, amount )
    • method of measuring CO2, pH of degassed water, pH at lights on, pH at lights off
    Hope others can provide more feedback with this information available.
     
  3. Tim Harrison

    Tim Harrison Lifetime Member
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    Or could be potassium deficiency or insufficient CO2 conc. or CO2 implementation.
    K is a mobile nutrient, and in your pics it looks like the deficiency symptoms are occurring in old leaves.
    Plants will move nutrients from old to new leaves.
     
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