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Thread: Rusty brown spots and yellowing leaves

  1. #1
    mrfantastic is offline Registered
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    Jan-27-2007
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    Rusty brown spots and yellowing leaves

    Hi,

    I have been all kinds of plants for years but have come accross a problem and i cant find out the cure.

    I am using Bio Bizz Allmix compost, Biobizz grow and bloom feeds , and i am using rainwater, the ph is about 6 but i get this problem.

    Can anyone help? im really stuck? there are no pests, no mites, i have predatored the lot, i think its a nutrient or ph problem, it occurs on small and large plants.
    Too acidic, ? too Alkaline?

    help
    Attached Thumbnails Attached Thumbnails Rusty brown spots and yellowing leaves-pic1.jpg   Rusty brown spots and yellowing leaves-pic2.jpg   Rusty brown spots and yellowing leaves-pic3.jpg  


  2. #2
    california is offline Registered
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    Jan-20-2007
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    nothin to do with ph but it couldbe a little higher (6.8) but it looks nute burn flush, and foliar feed at 1/4 strength util it gets healthy then go back to soil feed ing, but if u cant find whats wrong flush as a last resort. becuz it strips the plants of nutrients and after feed at 1/4 strenghth ti ll conditions get better .

  3. #3
    mrfantastic is offline Registered
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    answer

    you know what it was?

    the ph was too high, needs correcting with ph down to about 5.8

    then everything was fine

  4. #4
    kindprincess's Avatar
    kindprincess is offline Registered+
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    geez, that looks like the worst calcium defficiency i've ever seen! you must have a lockout or toxicity or something.

    here's a good link...

    International Cannagraphic Magazine Forums - The Complete guide to Sick Plants,pH, and Pest troubles!
    excerpts from greg green's cannabis grow bible http://boards.cannabis.com/basic-growing/94493-some-information-greg-greens-grow-bible-posted-kp-your-perusal.html

    dreamgoddess partial log.... i might update this one day, as this became my #1 mom http://boards.cannabis.com/indoor-growing/95283-godbud-x-dreamweaver%3B-seed-clone.html

    Quote Originally Posted by Weedhound View Post
    KP YOU GO GIRL!!!

  5. #5
    fasts102376's Avatar
    fasts102376 is offline Registered+
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    Quote Originally Posted by mrfantastic View Post
    Hi,

    I have been all kinds of plants for years but have come accross a problem and i cant find out the cure.

    I am using Bio Bizz Allmix compost, Biobizz grow and bloom feeds , and i am using rainwater, the ph is about 6 but i get this problem.

    Can anyone help? im really stuck? there are no pests, no mites, i have predatored the lot, i think its a nutrient or ph problem, it occurs on small and large plants.
    Too acidic, ? too Alkaline?

    help
    i had the same problem, lower ur nutes way down. go with 1/2 str on ur nute's.. rember less is better.. keep a eye on ur ph and ppm..

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