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Thread: Help me identify plant problem

  1. #1
    Join Date
    Jun 2005
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    Help me identify plant problem

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    My amazon swords have been growing healthily for a few years now and last month they suddenly came down with this problem. Can someone tell me what is wrong and how to cure? The leaves start to show yellow patches and then becomes holes in the middle. Pictures below.

    Attachment 15711

    Attachment 15712

  2. #2
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    Oct 2009
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    Re: Help me identify plant problem

    Looks like some deficiency in nutrients. Maybe you want to start to narrow down what were the changes introduced before the condition started. Is it change in fertilizer brand/dosage/frequency, , CO2 injection rate or lighting.

    This is usually a hardy plant. If other plants are doing fine, maybe you want to try injection some root fertilizers into the plants and see how it goes.

    Cheers!

  3. #3
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    May 2005
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    Re: Help me identify plant problem

    Severe deficiency in macros[NPK] especially Potassium.
    You can if you dare to fail - Stan Chung

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