Has this plant been exposed to cold temperatures? specially during the time that those top four leaves were growing?
It looks like mesophyll cell collapse to me.
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This is a discussion on Is something eating my Vanda? within the Orchid Ailments / The Compost Pile forums, part of the Orchid Culture category; Becky, it might be slugs. I sent you a PM with a web page that ...
Becky, it might be slugs. I sent you a PM with a web page that has a picture of a slug with its damage on a vanda.
hi John - I think it is mesophyll cell collapse...since it came from hawaii and that is a long shipping distance, it probably was exposed to cold temps while shipping. I guess I'll just let these leaves be. Thanks all! ~B
Just keep an eye out for secondary infections on the damaged leaves.
Once the plant bounces back you should get healthy new leaves.
Becky, did you find the cause? What did it turn out to be?
This problem turned out to be mesophyll collapse due to cold exposure in shipping....no critters were ever found! I even did try all the tricks, the apple, stuff like that...unfortunately, the plant was in such bad shape, I just got rid of it...
Oh, I am sorry to hear this. You have the show comming up this weekend.
There could have also been water on the leaves and then the plant was exposed to really high sunlight levels. The water magnified the rays and kind of pitted the plant like that--I've had damage like that before and it looked very similar.
I have a Barkeria Erika that looks the same as that and I have not found anything on it to suggest what was causing it,after some of those answers I will have another look at my plant.