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Dendrobium Blue Seas leaves turning yellow with pitted spots

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Teresa Koncolor

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I noted this today on several leaves. I repotted the plant several weeks ago. It did fine until today. We had a nice cool spell for a couple of weeks then the weather got hot and humid again. It was in the 70’s and now upper 80’s. 1008201137b.jpg
 

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Ozpaph

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the spots look like insect damage. That leaf is dying. Did the plant have good roots? Watch the new growths.
 

Teresa Koncolor

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The plant had good roots. It seems to have stabilized. I trimmed off all the dying leaves and hit it with physan a few times then returned it to it's sunny spot. I also treated it with insecticide, miticide and a systemic fungicide. Something worked
 

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