Carolina Carnivorous Fungus Kit | Carolina.com

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Carolina Carnivorous Fungus Kit

2 Items
Carolina Carnivorous Fungus Kit is rated 4.0 out of 5 by 1.
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$55.95 - $55.95 View Details

For a class of 30. Students subculture and then observe the growth of the soil fungus Arthrobotrys conoides on cornmeal agar plates. When Rhabditis, a nematode, is inoculated onto these plates, the fungus traps, digests, and absorbs the nematode's internal contents.

 
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For a class of 30. Students subculture and then observe the growth of the soil fungus Arthrobotrys conoides on cornmeal agar plates. When Rhabditis, a nematode, is inoculated onto these plates, the fungus traps, digests, and absorbs the nematode's internal contents. Illustrates absorptive nutrition of the fungi. The exercise requires 10 days from setup to completion.

Keep fungus culture and nematode culture at room temperature; do not incubate or refrigerate. Loosen but do not remove the cap on the nematode tube culture.Kit and perishable components will ship separately and may arrive on different days.

 
 
 

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Rated 4 out of 5 by from Easy Peasy Pleasy I used the carnivorous fungi kit in a college level soil ecology class. Some of what follows will sound like criticisms, but I am trying to be thoughtful and evenhanded. I want to stress that I liked the kit and would consider using it again. Use of the kit was simple: (1) Pour the Agar plates several hours in advance. (2) Clean a lab bench, set up a bunsen burner, and inoculate plates. (3) Wait several days as the fungi grow. (4) Introduce the nematodes (5) Observe at 24 hour intervals. The kit, as designed is strictly show-and-tell, and as a first time user, I did not try to be ambitious. I did step 1 prior to class for time considerations, but there may be some educational value to letting students pour their own plates. Students did the rest. We made observations during the fungal growth period (step 3), which was a good opportunity to talk about fungal growth habits. Also during this phase, we looked at some field-collected nematodes. When the fungi has spread across the dishes, we inoculated with the kit nematodes, and talked a little about biocontrol. Our nematodes were pretty much completely trapped withing 24 hours. At the 48 hour mark, you could see "ghost" nematodes, areas of denser hyphal growth that were sort of nematode shaped, i.e., locations where nematodes had been digested. --Students were fascinated! The kit doesn't come with much in the way of suggestions on how to incorporate it into course content or how one might vary the approach to incorporate the idea into a scientific inquiry; I'll probably put more time into this the next time I use it. Because the kit takes about 10 days, start to finish, there is a lot of down time, during which my class sometimes talked about the kit, but also moved on to other topics. Because the kit is show-and-tell, student participation is mostly passive. Still, it didn't seem to be a major problem, though, and student engagement was higher than anticipated.
Date published: 2012-05-22
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