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06-29-2019, 09:11 PM
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Senior Member
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Join Date: Mar 2015
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Location: Abrantes
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This site has a lot of info.
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Meteo data at my city here.
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06-30-2019, 12:43 AM
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Join Date: May 2019
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Location: Central Florida
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Also not an expert but looks like it could be damage left behind by some scale bugs. The shape and size is consistent with scale.
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06-30-2019, 11:37 AM
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Jr. Member
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Join Date: Jun 2019
Posts: 13
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It seems to progressively getting worse with more spots forming. And I don’t think that a possible cause is because of high light because they don’t come in spots or rings. Does anyone have any experience with viruses where they could help me out on the identification Ontoglossum ringspot virus possibly?
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06-30-2019, 01:11 PM
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Senior Member
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Join Date: Jun 2012
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The only way to confirm for virus is testing. Google plant pathogen testing.
BTW, I would raise the plant a bit out of the media.
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Anon Y Mouse
"Never attribute to malice that which is adequately explained by stupidity." Hanlon’s Razor
I am not being argumentative. I am correcting you!
LoL Since when is science an opinion?
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06-30-2019, 04:44 PM
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Senior Member
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Join Date: Jul 2012
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Location: Athens, Georgia, USA
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Quote:
Originally Posted by Dominicg12
It seems to progressively getting worse with more spots forming. And I don’t think that a possible cause is because of high light because they don’t come in spots or rings. Does anyone have any experience with viruses where they could help me out on the identification Ontoglossum ringspot virus possibly?
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Despite many people telling you it's not a virus, you seem convinced it's a virus. Virus is untreatable. AnonYMouse is right, only way to be sure is to test it, which can be expensive. Probably not worth it, just toss it and get another plant.
Based on what I have seen, I still don't think it is actually a virus, but it is your decision to make.
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06-30-2019, 05:53 PM
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Senior Member
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Join Date: Dec 2018
Location: Australia, North Queensland
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Quote:
Originally Posted by Dominicg12
It seems to progressively getting worse with more spots forming. And I don’t think that a possible cause is because of high light because they don’t come in spots or rings. Does anyone have any experience with viruses where they could help me out on the identification Ontoglossum ringspot virus possibly?
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What you could do is to first isolate the plant. Put it on the other side of the house or something. Then maybe spray the leaves - all sides - with something like natra soap. This is to get rid of any bugs or mites hiding. Then monitor the situation.
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06-30-2019, 06:38 PM
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Join Date: Apr 2008
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it's not viral.
It could be tissue collapse from the cells dying in that particular area. It may be physical damage caused by pests or it might be a problem with your culture.
Brassavola do not grow terribly wet. I see you are using moss. Maybe check the roots and see if there is some root damage. If there is, consider switching the potting media to lava rock or medium grade wood chips.
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Philip
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06-30-2019, 06:57 PM
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Super Moderator
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Join Date: Jun 2008
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Location: Coastal southern California, USA
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Quote:
Originally Posted by King_of_orchid_growing:)
it's not viral.
It could be tissue collapse from the cells dying in that particular area. It may be physical damage caused by pests or it might be a problem with your culture.
Brassavola do not grow terribly wet. I see you are using moss. Maybe check the roots and see if there is some root damage. If there is, consider switching the potting media to lava rock or medium grade wood chips.
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Or mount if your conditions are amenable to maintaining a mounted plant (daily watering). I have several Brassavola species on mounts with no moss or any other media, with roots all over the place. They haven't done well for me in pots.
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07-01-2019, 04:56 PM
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Jr. Member
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Join Date: Jun 2019
Posts: 13
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Quote:
Originally Posted by Orchid Whisperer
Despite many people telling you it's not a virus, you seem convinced it's a virus. Virus is untreatable. AnonYMouse is right, only way to be sure is to test it, which can be expensive. Probably not worth it, just toss it and get another plant.
Based on what I have seen, I still don't think it is actually a virus, but it is your decision to make.
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I’m nervous because so many viruses have the same rings being able to form but not many other issues for perfect rings like those. Almost like a orchid fleck or something of what I’m seeing so I’m pretty nervous
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07-01-2019, 05:30 PM
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Super Moderator
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Join Date: Jun 2008
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I would suggest keeping the plant separated from your other plants, but just observe - if the new growth shows similar symptoms it could be cause for concern, but I doubt very much that it is virus. Also, if the plant does not drip onto other plants, and you make sure that cutting tools are sterilized between plants (flame; bleach or peroxide may or may not be sufficient but a propane torch flame is guaranteed to destroy anything organic) the odds of spreading disease - virus, bacteria, fungus) are very greatly reduced. (Plants don't sneeze, so if they or their juices don't touch another plant it's pretty hard to spread microbes unless you have an infestation of sucking insects - in which case you have a bigger problem that needs to be dealt with )
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