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  #1  
Old 04-30-2020, 12:39 PM
Xanadu410 Xanadu410 is offline
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Default Pest or Edema?

Hey All,

Did a little looking around but not really sure. Is this some sort of pest or edema? Same color as the leaves and I haven't seen anything crawling. Pest or Edema?-img_20200430_123233-jpg
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Old 04-30-2020, 01:04 PM
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I'm not familiar with edema in Catasetums. Not saying it doesn't exist, but I just haven't encountered it and haven't seen folks talking about it online.

On another note, you might want to spray for spider mites. The yellow stippling on new leaves looks suspicious to me.
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Old 04-30-2020, 02:28 PM
Xanadu410 Xanadu410 is offline
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I didn't see anyone online talking about it in catasetum either. Couldn't find anything that looked like this either though.

Ok I sure will do that. Should also mention that I received this plant via mail order a couple weeks ago.

---------- Post added at 02:28 PM ---------- Previous post was at 01:26 PM ----------

As for my Catasetinae types that I haven't begun watering what would you suggest about spraying them? Wait until watering or just go ahead and spray them as well.
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Old 04-30-2020, 04:37 PM
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Originally Posted by Xanadu410 View Post

As for my Catasetinae types that I haven't begun watering what would you suggest about spraying them? Wait until watering or just go ahead and spray them as well.
If you're spraying for mites, I think the benefit of that outweighs any potential problems with moisture around the roots. Such a small amount of liquid should dry quickly anway.
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Old 04-30-2020, 04:57 PM
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If you're spraying for mites, I think the benefit of that outweighs any potential problems with moisture around the roots. Such a small amount of liquid should dry quickly anway.
Ok. Thanks for the insight.
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Old 04-30-2020, 04:58 PM
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Don't know if this will help but trySt. Augustine Orchid Society - North Florida Orchid Growing,click problems and check out environmental problems. But previous responder is the go to guy.
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Old 05-05-2020, 01:57 PM
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If you're spraying for mites, I think the benefit of that outweighs any potential problems with moisture around the roots. Such a small amount of liquid should dry quickly anway.
Spoke with an individual that said she has the same thing on some of her plants and also believes this is edema. I did spray for mites as well though.
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Old 05-05-2020, 03:58 PM
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Originally Posted by Xanadu410 View Post
Spoke with an individual that said she has the same thing on some of her plants and also believes this is edema. I did spray for mites as well though.
Good to know, thanks!
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Old 05-06-2020, 04:28 AM
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xana ----- is it like this? Click Here.

From this site: Click Here.
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Old 05-06-2020, 08:50 AM
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I did a quick search... here's a paper about Cstsm denticulatum. It appears to be one of the Ctsm that you never stop completely watering.

Catasetum denticulatum

There's a section from travaldo's blog, and below it a grower from OrchidForum who gets edema on some of the Ctsm he grows (click on the OrchidForum link to see article).

Maybe your Ctsm falls into that category? Just a thought. Maybe these types are more prone to edema because of the different watering? I'm just guessing based on what I read, but it makes sense.
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