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Old 08-11-2010, 04:23 AM   #11
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Thanks for sharing, BillD.
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Old 08-11-2010, 08:26 AM   #12
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I'd say you either have a nitrogen or iron deficiency (or both). I'd recommend some ferts and see if that helps things. Is there any new growth? Is the new growth yellow as well? Are the tips dying off?
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Old 08-12-2010, 11:56 AM   #13
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There's no new branches, but it did grew longer. The once white-yellowish branch is a bit green. But the larger, older branches have tips that are dying.

The new branch have no tips that are dying.
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Old 08-12-2010, 12:55 PM   #14
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If the older branches are yellow and the tips are being reabsorbed then I'd say it is most likely a phosphate issue. Yellow leaves can be attributed to many things but the tips being reabsorbed is usually a lack of phosphates.
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Old 08-13-2010, 10:25 AM   #15
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The older branches aren't much of a yellow. In fact, the color structure of the branch itself is:

Green (Center) -> Green -> Green -> Green -> Brown -> Dead (Tip)
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Old 08-13-2010, 11:57 AM   #16
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I bookmarked this diagram. I think I found it on APC a while back. It serves as a good starting point in diagnosing nutrient deficiencies. See which looks more like what you are experiencing.

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Old 08-15-2010, 01:30 PM   #17
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None of it. In my conditions, it just went from green to brown, and there's no signs of yellow in between those two colors.
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