Virus or fungus in catasetum
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  #1  
Old 08-25-2023, 12:19 PM
Cach26 Cach26 is offline
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Virus or fungus in catasetum
Default Virus or fungus in catasetum

I have 3 Catasetums planted in the PET method with filtered sunlight, the climate is temperate and there are no plants with anything similar around them. However, they began to show black, soft, without smell spots on the leaves and bulbs, however, the flowers do not show deformations or spots.

What I can do?



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Last edited by Cach26; 08-25-2023 at 12:24 PM..
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  #2  
Old 08-25-2023, 12:52 PM
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Is the relative humidity high?

How much are you watering them? Do they stay moist or do they dry out between watering?
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  #3  
Old 08-26-2023, 08:40 PM
Cach26 Cach26 is offline
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No, the humidity is very low. Less than 30%. Although there are days when the mist dawns on the floor (1 time per month). However, the plants have not suffered mechanical damage. They are also watered every 2 days. And the leaves are not allowed to puddl

---------- Post added at 08:10 PM ---------- Previous post was at 08:08 PM ----------

I am not inexperienced. However, this specific case has surprised me.
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  #4  
Old 08-27-2023, 06:29 PM
katsucats katsucats is offline
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I think the only experience I have over other members of the site is testing for viruses so I will say that judging viruses from symptoms is extremely unreliable, but also that there's no particular concern here. I think a soft black spot is usually bacterial or fungal, and could take a systemic fungicide like Python 27 as a precaution. If it doesn't spread, nothing else needs to be done.
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  #5  
Old 08-28-2023, 08:08 AM
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looks more like a rot type issue. however I will say that viruses are rather prevalent in catasetums, especially in older divisions. Often completely asymptomatic.
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  #6  
Old 08-28-2023, 11:32 AM
Cach26 Cach26 is offline
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Well, there is no budget for laboratory tests XD. What worries me is how it originated, I suppose it was a mechanical damage.

Also I don't have Python 27. Only Ridomil and Gerderx (Some tell me that it is very strong, but in these cases I doubt it a lot)

I also wanted to know how to apply it, cut, dig into the stain, apply on top, inject? How do I apply it?
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  #7  
Old 09-01-2023, 07:24 AM
katsucats katsucats is offline
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I don't have any experience with these but I believe e.g. Ridomil could be used as a soil drench that allows it to be absorbed throughout the plant. I think Phyton could be used the same way. Don't quote me though.
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