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Old 05-06-2012, 11:40 AM
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Cold damage?

Hi,
I've had this yellowing and pitting on the leaf of one of my orchids. It had been there for well over a year and hasn't seemed to worsen. The phal continues to flower regularly, grown new leaves and roots. All new growth seems unaffected. That's what makes me think it's damage from cold. What do others think? I've included links to recent photos:
Instagram
Instagram
I also noticed in the late autumn/winter of last year, one of my other phals developed a yellowish, more translucent patch at the tip of one leaf. It eventually became sunken and dark brown/black. It has since dried up. It hasn't progressed any further and doesn't seem to have affected the plant. New growth is normal, as with the plant I mentioned above. Here are photos:
http://instagr.am/p/KSj7OKn2Iz/
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Old 05-06-2012, 01:46 PM
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That sunken spot almost looks like sunburn to me. But its hard to tell from a picture. I am unsure about the yellow spots/flecks. Let's see who comes along and wait for an answer!

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