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Registered: 03/06/02
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Does room temp lime pasteurization of straw work?
    #2204151 - 12/27/03 04:07 PM (14 years, 2 months ago)

I don't think I've ever seen anybody do it this way.


Lime water treatment:
Fill a clean, 45 gallon drum with fresh water and add 4 cups of Calcium hydroxide (hydrated lime) or Calcium oxide (quicklime) with stirring. Prepare straw as for hot water pasteurization above, then completely immerse in the lime water solution for about 2 hours. The water need not be hot, but very cold water does not seem to work well. Remove the bags to a clean place to drain, then spawn as for hot water pasteurized straw. This method is very economical as lime is cheap, but it is mild, and only good quality, clean straw should be used. Lime water will not kill grains, and sprouting grain may promote certain microbial pests. One batch of lime water will treat about 20 Kg. of straw.


Actually, it's very easy to isolate a super producing sclerotia strain.

Follow the strain isolation technique on Let's Grow Mushrooms, and then select sectors early which are brown in color.  By the second or third transfer, you'll see stones developing, and this is only about 1 month after the original swipe of spores on agar.

Now, take each stone and move it to a new dish.  Soon, the mycelium will grow out and you'll see fresh stones developing, and if they're good strains, the sclerotia is forming long before the mycelium reaches the edge of the plate.  Pick strains which form four or five stones within two weeks and use these for your grain masters. -- RR

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Re: Does room temp lime pasteurization of straw work? [Re: Baby_Hitler]
    #2204224 - 12/27/03 04:59 PM (14 years, 2 months ago)

I guessing that probably wouldnt work for poo/straw mix?

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Re: Does room temp lime pasteurization of straw work? [Re: metalchimp]
    #2204276 - 12/27/03 05:51 PM (14 years, 2 months ago)

It works for straw.

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Mushrooms, Mycology and Psychedelics >> Mushroom Cultivation

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