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arago
Mr. Wind Up Bird



Registered: 02/07/06
Posts: 828
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Can these be saved?
#14550391 - 06/02/11 11:19 AM (12 years, 8 months ago) |
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Used the search engine and found this - in reference to saving the agar.
If it was already green it was sporulating. You would have to cut it out while it was still white, generally within the first 24 hours. Then you have to make sure you cut a sufficiently large wedge out that not even a single cell of the mycelium remains to reproduce asexually. Doing this in not preferable, but is an option if you are pressed for time, etc.
Can I cut out the mycelium and transfer to another petri dish?


I've got about 8 dishes; it's the end of the year, and my students' lab techniques have become sloppy.
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waixingren


Registered: 03/14/05
Posts: 2,644
Loc: SW Florida
Last seen: 1 month, 11 days
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Re: Can these be saved? [Re: arago]
#14550558 - 06/02/11 12:01 PM (12 years, 8 months ago) |
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i wouldn't bet on being able to save those. You will need to do it in a completely still air environment to minimize the distribution of those green spores. It will likely take you many transfers to get it cleaned up. I would choose the top left plate and take the smallest piece of clean mycelium from the farthest point away from the green as possible.
You are much better off starting fresh if you can.
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arago
Mr. Wind Up Bird



Registered: 02/07/06
Posts: 828
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Re: Can these be saved? [Re: waixingren]
#14550594 - 06/02/11 12:10 PM (12 years, 8 months ago) |
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Thanks! I'll start fresh.
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slapphappypill
Enthusiast!




Registered: 11/07/10
Posts: 5,570
Loc: In bed with your mom
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Re: Can these be saved? [Re: arago]
#14558903 - 06/04/11 05:02 AM (12 years, 8 months ago) |
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yeah, good idea, those are fuked
-------------------- We think we have freedom, but we're all just mice in a maze.... FYI: I stole all my pix off google! F+ PORN! Here is a shit-ton of porn by yours truly! I have FINALLY written up a couple teks as to how SHP has done things in the past. DISCLAIMER: This is not for the newbie to mycology, and not going to work for everyone! This is simply what works for one person when other teks and methods have failed miserably! ~~~~~How SHP does their unconventional WBS Prep!! (NO DRY METHOD)~~~~ ~~~~~SHP's highly disputed method of doing ALL their work outside of a flow hood or a Still air box!~~~~~ ~~~~~Troubles harvesting the side and bottom pins in your mono? Learn how!! Dunking included ;-)~~~~~
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MushroomPalace




Registered: 11/22/10
Posts: 352
Last seen: 10 years, 9 months
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Re: Can these be saved? [Re: arago]
#14559535 - 06/04/11 10:48 AM (12 years, 8 months ago) |
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Trichoderma has white mycelium. Its spores are green. So even if you cut a wedge that has no spores, chances are pretty high that you get Trich. in your future plates anyways. The minute you see Trich, toss it out. By waiting you only increase chances of infecting your other plates and cultures.
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