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Old 04-04-2013, 01:23 AM
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Deflasking - Major Mould Issue

Hi all,


Usually when I get flasks they are clean and ready to deflask. This time I have 3 and the plants are quite damaged from white mould and the entire media is covered in mould as well (I won't be mentioning the vendors name here).

So it's pretty desparate. How would I clean the plants up and try and save them? Generally can they be salvaged? There is a LOT of mould on them.

Thanks in advance for any advice.

P.S. The flasks are Paph Delrosi, Paph Kevin Porter and Paph Gloria Naugle (three hybrids I have covetted for some time now).
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Old 04-04-2013, 04:37 AM
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Hi sorry to hear of the problem, most white and grey mold are usually not a problem, more of the common penicillin type mold and do no major harm to the plants.
it is the wet type they rots of all the seedling that are the big problem.
Personally I would deflask in a sterile sink wash mould off with town tap water, the pot how you would normally do and the pour over fungarid (fungicide).
I have had my fair share of mouldy flasks and have not lost a plant after using this fungicide
Best of luck and keep us updated
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Last edited by Ron; 04-04-2013 at 04:41 AM.
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Old 04-04-2013, 05:50 AM
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Thanks Ron, I have the fongarid, just wondering with the severity if it needs more treatment. I am feeling more confident after your post.

I think the plants have been left in the containers too long as the top leaf is a bit limp and the plants are leggy but I will persist.
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Old 04-04-2013, 07:22 AM
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Yeah I agree with Ron that it is only fungus and fungacide will do its job.
In the flask the fungus will eventually outgrow the orchids and suffocate them.

I have been watching that happen to a flask of protocorns over the last 2 weeks, and it has been quite a battle between the 2. I know who is going to win, but it is kind of like the lion getting the wildebeast. You just have to watch it.
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Old 04-04-2013, 07:35 AM
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Try a water infusion of cinnamon. (Alcohol-based might be a bit too desiccating for fresh flasklings.)

I have a local producer of organic salad greens who always had damping off and other fungal problems, and when I suggested that to him, "poof" - no more issues.


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Old 04-04-2013, 06:12 PM
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Quote:
Originally Posted by Bolero View Post
Thanks Ron, I have the fongarid, just wondering with the severity if it needs more treatment. I am feeling more confident after your post.

I think the plants have been left in the containers too long as the top leaf is a bit limp and the plants are leggy but I will persist.
These Paphs are from the flasks I bought late last year, the leaves looked pale and leaf tips were very long and soft, some burnt off about an inch down, no problem as they quickly recovered and put on new growth as per photo. Their was about 23 plants and about 8 that had long leaves of about 4 inches and quiet thin.
While it is very disappointing to get plants like this in flask.
I suppose as we buy sight unseen from overseas it is a risk we take, as we have very few Aussie breeders of Paphs we have only this way.
I take the good with the bad and try to get the plants back into recovery mode.
Now they are looking very good but will leave until spring and repot them then.
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Old 04-04-2013, 06:42 PM
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Thanks guys, that all makes sense. Going to repot today.....
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Old 08-15-2013, 10:18 AM
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Originally Posted by Bolero View Post
Thanks guys, that all makes sense. Going to repot today.....
Hi Andrew, any update of the Paphs and the fungal problems!
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Old 08-29-2013, 02:16 AM
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deflasking advice

Hi Ron,

Just noticed your post. I am going to deflask some orchids for the first time on the weekend and I notice that you say you pour the fungarid over the pot once the babies are in there. Some other things I've read recommend letting the seedlings soak in the fungicide for a while before potting them. Would this make any difference and is there a reason you prefer to pour the fungicide over the pot? Thanks, Heather
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Old 08-29-2013, 05:49 AM
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Quote:
Originally Posted by featherbel View Post
Hi Ron,

Just noticed your post. I am going to deflask some orchids for the first time on the weekend and I notice that you say you pour the fungarid over the pot once the babies are in there. Some other things I've read recommend letting the seedlings soak in the fungicide for a while before potting them. Would this make any difference and is there a reason you prefer to pour the fungicide over the pot? Thanks, Heather
Hi, I see not difference in what way they are done, I use a small 2 lt watering can with a small rose head fitted to it so easy to water in the fungicide this way. When doing this after all plants have been potted up, I put on gloves and keep the room well ventilated or sometimes put on a proper chemical mask.
May seem an over kill but thats how I do it to protect my health.
.
I feel leaving the plants soaking and unless with wearing gloves I would not be absorbing the fungicide through my fingers skin! much easier the other way around!
Just a bit safety conscious when it comes to these type of chemicals
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Old 08-30-2013, 05:18 PM
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Thanks Ron, that makes a lot of sense. So look out world, I have gloves and a mask and I'm not afraid to use them! Heather
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Old 08-30-2013, 06:30 PM
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Quote:
Originally Posted by featherbel View Post
Thanks Ron, that makes a lot of sense. So look out world, I have gloves and a mask and I'm not afraid to use them! Heather
Good luck and enjoy as it is a very inexpensive way to build up a collection and if you are a member of an orchid club you can sell excess plants through thier trading table or do as I mostly do, share a flask with a few club member friends.
When they flower, enjoy
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Old 09-04-2013, 05:54 AM
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Lost most of the plants to mould but sent me two other flasks and I will get about a flask worth of plants out of all of them. They all had serious mould but might get close to 20 plants from the 3 flasks that won't die.
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