An international network of/for intelligent organisms
If you're keen to grow your own the slime mould Physarum Polycephalum, this information may help...
Do you (or any other collective member) have advice on what to do if P. polycephalum feels like slowly escaping a petri dish?
Perhaps it is because I added too much water to the paper towel base to increase physarum's feeding abilities(imagine eating pancakes without syrup). Adding the extra water increased its speed and mass but my theory is that it stuck a portion of itself outside the dish to evaporate some of that water because now it is back inside (1% is still sticking out).
I ordered and received my sclerotia last week and grew a piece on Friday.
Give it somewhere nice to go! I've had lots of escapees--they'll grow just fine in a pyrex dish, or on a wad of wet paper. Let it out to explore!
Do I need to do anything special to grow physarum polycephalum in an arid climate?
I just received a pet slime mold for Christmas, but I live at high altitude with very dry air. Will the agar base in a petri dish provide enough moisture? Or do I need to arrange some kind of humidity control system?
Also -- this is probably a stupid question, but i can't seem to find the answer: Is a covered petri dish airtight? Do I need to keep the cover off? (Does a slime mold even require oxygen anyways?)
Any advice greatly appreciated!
A petri dish containing agar should hold enough moisture with a lid on (the agar will slowly evaporate without a lid). The container doesn't need to be airtight, most petri dishes allow some movement of air. The organism is aerobic but I don't know if it 'requires' oxygen. I've grown it in airtight containers without any problem, but usually use petri dishes as they're easy. My advice, to all Physarum growers, is to try different methods and observe behaviours - there's no better way to get to know and understand your pet slime mould than empirical experimentation!
PS: I love the fact that you got your pet slime mould as a Christmas present :) Happy growing...
great thanks for the top tips.
I currently have mine in a tupperware container with a damp tissue and bits of wood and in a shoe box and in a drawer.
Do you know where to buy agar jelly by any chance?
I also have some that is not moving - is this likely to suggest its dead?
A Simple Method of Growing the Plasmodial Slime Mold
as recommended by a slimoco member