media medium, put stage descriptions sooner
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README.mdown
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README.mdown
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@ -27,10 +27,10 @@ It is OK.
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Bird seed, agar powder, and sugar water are inexpensive.
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All other equipment can be reused.
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Saving a [control](https://en.wikipedia.org/wiki/Scientific_control) will help you test for contamination introduced through your technique.
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Saving a control will help you test for contamination introduced through your technique.
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If all fares well you can always end up using it.
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Spawn medium refers to any nutrient rich growing surface, such as grain spawn or culture mediums.
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Spawn medium refers to any nutrient rich growing surface, such as seed grain or culture media.
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# Finding Samples
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@ -49,6 +49,22 @@ When paying good money for a sample try to find liquid culture as they have a pr
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Eventually you will want to make your own cultures from your harvested mushrooms.
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# Three Stages
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There are three general stages to cultivating mycelium.
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1. [Culturing](#culturing), [wiki](https://en.wikipedia.org/wiki/Microbiological_culture)
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- Using simple sugar and agar as a surface to test sample mycelium for viability and contamination.
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2. [Colonization](#colonization), [wiki](https://en.wikipedia.org/wiki/Colony_(biology)#Microbial_colonies)
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- Using grain as food source to promote mycelium growth throughout.
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3. [Fruiting](#fruiting), [wiki](https://en.wikipedia.org/wiki/Sporocarp_(fungi))
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- Apply the ideal conditions to fully colonized seed grain to promote the growth of mushrooms.
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# Sanitize Your Workspace
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- [ ] empty spray bottles, chemical resistant
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@ -90,22 +106,6 @@ Slow or hold your breath when inoculating spawn medium to avoid shaking.
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Remember that mistakes happen and they look pretty cool when they do.
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# Three Stages
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There are three general stages to cultivating mycelium.
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1. [Culturing](#culturing), [wiki](https://en.wikipedia.org/wiki/Microbiological_culture)
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- Using simple sugar and agar as a surface to test sample mycelium for viability and contamination.
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2. [Colonization](#colonization), [wiki](https://en.wikipedia.org/wiki/Colony_(biology)#Microbial_colonies)
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- Using grain as food source to promote mycelium growth throughout.
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3. [Fruiting](#fruiting), [wiki](https://en.wikipedia.org/wiki/Sporocarp_(fungi))
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- Apply the ideal conditions to fully colonized grain spawn to promote the growth of mushrooms.
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# Culturing
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Any samples of mycelium are potentially contaminated.
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@ -117,14 +117,14 @@ A week of growth is usually long enough to produce colonies which can be identif
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While petri dishes are part of the usual trappings of cultivating microorganisms, they are fairly high maintenance and better suited for a laboratory environment.
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[Agar slants](#agar-slants) provide the same functionality without the need to seal and re-seal with parafilm.
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The preferred [culture medium](#culture-mediums) is [liquid cultures](#liquid-cultures).
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The preferred [culture medium](#culture-media) is [liquid cultures](#liquid-cultures).
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[Liquid cultures](#liquid-cultures) provide a similar micro climate as [agar slants](#agar-slants) with the added benefit of being a much easier for inoculating [grain spawn](#grain-spawn).
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The disadvantage of liquid culture is they are a little difficult to identify contaminations.
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You may use [agar slants](#agar-slants) to isolate mycelium from contamination before transferring to [liquid cultures](#liquid-cultures).
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Skipping testing on [agar slants](#agar-slants) works well enough as long as you give [liquid cultures](#liquid-cultures) extra time for bacteria to become visible while suspended in water.
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# Culture Mediums
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# Culture Media
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- [ ] food scale, grams
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@ -252,7 +252,7 @@ Use the following durations as they make sense to sanitize and pasteurize.
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# Culture Inoculation
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Once you autoclave your [culture mediums](#culture-mediums) and they have cooled to room temperature it is ready for mycelium.
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Once you autoclave your [culture media](#culture-media) and they have cooled to room temperature it is ready for mycelium.
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Depending on the source of the sample there are two ways to inoculate, [cloning](#cloning) from a mushroom or using [spore samples](spore-samples).
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Newbies should start with [cloning](#cloning) grocery store mushrooms.
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@ -269,7 +269,7 @@ Piercing the mushroom tissue with a hollow needled syringe is enough to collect
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0. [Sanitize Your Workspace](#sanitize-your-workspace).
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- Sanitize the outside of each [culture medium](#culture-mediums).
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- Sanitize the outside of each [culture medium](#culture-media).
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1. With a sanitary knife, cut the stem off the mushroom.
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@ -277,9 +277,9 @@ Piercing the mushroom tissue with a hollow needled syringe is enough to collect
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3. Using the hollow needle tip of the syringe, collecting a sample of the core by plunging into the center along the length of the stem.
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4. Gently use air pressure from the syringe will push the sample into an open [culture medium](#culture-mediums).
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4. Gently use air pressure from the syringe will push the sample into an open [culture medium](#culture-media).
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5. Replace the screw cap on the [culture medium](#culture-mediums) and store in ambient room light at room temperature.
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5. Replace the screw cap on the [culture medium](#culture-media) and store in ambient room light at room temperature.
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## Spore Samples
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@ -291,13 +291,13 @@ Piercing the mushroom tissue with a hollow needled syringe is enough to collect
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These are called spore prints.
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Spores can then be added to a syringe of sterile water for ease in shipping.
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An inoculation loop is used to apply the spore samples to a [culture medium](#culture-mediums).
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An inoculation loop is used to apply the spore samples to a [culture medium](#culture-media).
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### Spore Print
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0. [Sanitize Your Workspace](#sanitize-your-workspace).
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- Sanitize the outside of each [culture medium](#culture-mediums).
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- Sanitize the outside of each [culture medium](#culture-media).
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1. Using a lighter to heat the loop element of the inoculation loop until it glows red. Allow the loop to cool.
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@ -305,23 +305,23 @@ An inoculation loop is used to apply the spore samples to a [culture medium](#cu
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3. Collect spores on the loop by gently rubbing against the loose spores.
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4. Insert loop into an open [culture medium](#culture-mediums) and gently apply spores.
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4. Insert loop into an open [culture medium](#culture-media) and gently apply spores.
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5. Replace the screw cap on the [culture medium](#culture-mediums) and store in ambient room light at room temperature.
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5. Replace the screw cap on the [culture medium](#culture-media) and store in ambient room light at room temperature.
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### Spore Syringe
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0. [Sanitize Your Workspace](#sanitize-your-workspace).
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- Sanitize the outside of each [culture medium](#culture-mediums).
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- Sanitize the outside of each [culture medium](#culture-media).
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1. Using a lighter, heat the loop element of your inoculation loop until it glows red. Allow the loop to cool.
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2. Place a single drop of water from a spore syringe on the loop.
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3. Insert loop into an open [culture medium](#culture-mediums) and gently apply spores.
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3. Insert loop into an open [culture medium](#culture-media) and gently apply spores.
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4. Replace the screw cap on the [culture medium](#culture-mediums) and store in ambient room light at room temperature.
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4. Replace the screw cap on the [culture medium](#culture-media) and store in ambient room light at room temperature.
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## Wood Plugs
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@ -346,7 +346,7 @@ Otherwise, a successful agar slant colony is used to create [liquid culture](#li
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0. [Sanitize Your Workspace](#sanitize-your-workspace).
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- Sanitize the outside of each [culture medium](#culture-mediums).
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- Sanitize the outside of each [culture medium](#culture-media).
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1. Using a lighter, heat the loop element of your inoculation loop until it glows red. Allow the loop to cool.
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