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Crasher
αἱρετίζω




Registered: 03/13/01
Posts: 6,220
Loc: Tardy to the Party
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LC to Agar to assess contamination?
#7861133 - 01/10/08 07:15 PM (16 years, 22 days ago) |
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Salutations all-
After preparing a few liquid cultures, I began to consider the volume of contaminated LC's cultivators experience, and present the following question:
Granted that taking one culture to agar is creating a risk of contamination, does anyone take Lc's to agar in order to assess their viability before taking it to grain?
Thanks.
-------------------- Give me silence, water, hope; Give me struggle, iron, volcanoes...
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veda_sticks
Cultivator




Registered: 07/29/07
Posts: 14,191
Loc: UK
Last seen: 4 years, 25 days
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Re: LC to Agar to assess contamination? [Re: Crasher]
#7861142 - 01/10/08 07:18 PM (16 years, 22 days ago) |
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I just make up 1 pf tek jar as a test, if it works out then i use the rest of the syringe.
So far i havnt had a contaminated LC. Though i have had 1 LC look ok but not grow in a substrate.
The agar however could be a good thing.If u did get contamination and myc grew aswell, you still have the option of cleaning up by transfering.
-------------------- PF TEK - writeup by EvilMushroom666 Lets Grow Mushrooms - RogerRabbit & RoadKills website with sample videos plus the full PF TEK video series. Alot of great information - BUY THE DVD Cakes can and will pin! - So you think cakes suck for pins. Your wrong Franks Simple Coir/Verm Tek Franks Proper Pasturisation Tek Franks Spawning To Bulk - Monotub Professor Pinheads RTV Injection Port Tek Foo Mans No Soak WBS Prep Tek
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RogerRabbit
Bans for Pleasure



Registered: 03/26/03
Posts: 42,214
Loc: Seattle
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Re: LC to Agar to assess contamination? [Re: veda_sticks]
#7861296 - 01/10/08 07:50 PM (16 years, 22 days ago) |
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If you have agar skills, I wouldn't even bother with LC. An agar plate will darn near fully grow out from spores before you even see a speck of white in an LC. In addition, you can isolate for rhizomorphic growth on agar. RR
-------------------- Download Let's Grow Mushrooms semper in excretia sumus solim profundum variat "I've never had a failed experiment. I've only discovered 10,000 methods which do not work." Thomas Edison
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Crasher
αἱρετίζω




Registered: 03/13/01
Posts: 6,220
Loc: Tardy to the Party
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Re: LC to Agar to assess contamination? [Re: RogerRabbit]
#7861809 - 01/10/08 09:15 PM (16 years, 22 days ago) |
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unfortunately, I haven't touched an agar plate in 7 years, but I suppose shaking the rust off old tricks is worth it.
Thanks for the perspectives.
-------------------- Give me silence, water, hope; Give me struggle, iron, volcanoes...
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tahoe
Noob Slayer



Registered: 11/26/03
Posts: 6,274
Loc: N38.93829W119.98108
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Re: LC to Agar to assess contamination? [Re: Crasher]
#7862227 - 01/10/08 10:16 PM (16 years, 22 days ago) |
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my new gig is isolationg rhizomorphic mycelium on a plate and putting it to agar. To test the lc I use a pf jar or grain jar. I do not shake the grain jar and i only inoculate one side of the grain jar. I watch it for a week and if it passes the test I shake it. then I watch it. If it has and mold it will blow up once shook. Finnaly I smell it once fully colonized. it takes a few weeks to test for sure but it is worth it.
-------------------- Stop experimenting half way through your first grow. Grow it to maturity, watch it, learn from it. Do this a few times then experiment with different ideas and figure out what works best for you.
My Legacy https://www.shroomery.org/forums/showflat.php/Number/22140987#22140987 Teh=The I need to proofread
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Pr0_X
CultivationLifer



Registered: 01/18/06
Posts: 617
Loc: Igloo's and polar bears
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Re: LC to Agar to assess contamination? [Re: tahoe]
#7862279 - 01/10/08 10:26 PM (16 years, 22 days ago) |
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The best way to to go about propagating huge amounts of spawn would be to start off from spores to agar, isolate out the best growth over 4 or 5 generations and then slice it into small squares (wedges) and add to a jar of rye, then use that rye with the isolated mycelium to spawn as many jars as it can....
Growing out optimum growth takes abit of time but in the long run you know your going to get the best colonization times and fruits, suffer now and laugh later, LC's are way to easy to contam in my opinion and you can never be sure. but all this is just my two cents
-------------------- It's okay to hurt my feelings cause you know, they're so numb anyway. but I guess it's what I get for being to fuckin stupid to stay away - Jake - Support the FSR at www.fsrcanada.com and www.fsre.nl
Edited by Pr0_X (01/10/08 10:27 PM)
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