I have never heard of, let alone seen spalted walnut.. That is until some boards stored incorrectly got wet and started to grow fungus… The boards in this photo do not have spalting. Or very little…then there are these.. This last pic is of a thicker board that was resawn on the bandsaw and bookmatched.. NB this is European Walnut..
Hi guys. So, to sum it up, this is Chlorociboria, a.k.a. “the mean tiny hulk”: Making nice things to the wood it lives into (right) because of this pigment, the xylindein: Which response to light in the visible spectrum looks like this: And whose picture I was (almost certainly) the first to ever take with a Scanning Tunelling Microscope.Say hello to my little friend: Now how cool is that? :)
Hi guys, So in an effort to gear up my lab stuff, I recently bought a cheap peristaltic pump on ebay to help extract xylindein faster. Relying on gravity sure works, but it’s damn slow. So I filled up a funnel with xylindein-stained sawdust, connected the output to the pump, set the other end of the pump above the funnel for a closed-loop circuit of sorts, dropped enough acetone to soak all the sawdust, and fired the pump for a few minutes. Wow, I gotta tell you, this modus operandi ...
So here it is: the first attempt at determining the temperature at which the pigment produced by Chlorociboria vanishes. This is preliminary data (you never stress it enough!), furthermore testing will be needed to assess the exact way it happens within a seriously controlled setup. The pigment is stable up to 90°C, then it quickly starts to degrade. At around 110°C, half the pigment has lost its color. At 125°C, only 25% of the coloring remains. At 155°C, only 10% of the green is s...
Hey guyzz, So little time these days with all the work at the university. But I finally settled for a while to build a wooden clamp for test tubes to make a first measurement of the temperature at which xylindein, the pigment produced by Chlorociboriae, permanently loses its color. As you all know, sanding wood leads to quite high temperatures at the surface, and I had previously noticed that xylindein was destroyed when bandsawing stained wood with a freakin’ dull blade from hell...
Hey guys, Out of the six compartments that I inoculated with Chlorociboria Aeruginosa in my petri dishes, one has absolutely settled and started growing and producing xylindein. Still I have to clean them every few days as the molds that invited themselves to the party are tough to fight, so I opted for the “gardening” method and just mow them out when they become too invasive. Using a lab culture medium would have prevented that from happening, but as I already stated in the p...
So the admin of a french mycology website sent me several fresh pieces of Salix with lots of fruiting bodies of Chlorociboria Aeruginosa two days ago (he was also kind enough to test them for variety with his microscope, so this is an accurate naming) and I received them today, along with a little card with the nicest words written on it. AND I received my petri dishes at the very same time. Talk about timing! So I immediately set myself into “bio geek mode” and prepared an aga...
This post is about making the base and its two routed layers. Here I’m routing the air distributing plane, with my Dremel fitted with a tile router base and a downcutting bit, which prevents cutting all the way across the MDF in case the bit comes loose and keeps the edges of the routed channels nice and sharp. I sized my air channels wide enough that I don’t have to be really picky about their exact width, as long as Bernouilli’s law is respected (that’s why...
In this series I will follow the making of a specially-designed box for petri dishes into which I’ll grow Chlorociboria species fungi. I of course could have come with your average box, but as cultivating fungi on agar is quite delicate matter, because of the risk of contamination by airborne molds, I ended up with a forced-air, filtered design for the box, with pressured air provided by a fish tank air compressor, which is quite overkill for the oxygen needs of fungi. After s...
Hey guys, Just for a quick update. The cultures I attempted last time did actually work to some degree. Something grew inside the agar mix :pNo stain from the Ca culture yet and I don’t really expect any to happen. I also grew the accompanying yellow fungus, which actually develops rather agressively into the culture medium. Certainly a big white rot fungus there, Fomes Fomentarius probably, knowing that it was on the tree I took the infested bark from. For the next mushy hunting ...
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