Botany 360-Fall, 1996. Second Lecture Examination Name_____________________________

1. You are a mushroom expert who is contacted by a Poison Center because a young child has eaten a mushroom. What questions would you ask the person on the telephone in order to determine whether or not the child has eaten a poisonous mushrooms. By the way, you are being paid for your services.






2. You want to grow Agaricus bisporus commercially. Outline the steps you will have to learn before you can grow this species commercially. What is required for you to compete with established firms that grow this species? What parameters need to controlled?














3. Fill in the following chart
Ibotenic AcidGyromitrin AmanitinMuscarine
type of chemical (not its formula)
formula (extra pts.)
mode of action

4. If one eats Lentinus edodes, ones mental and physical health as well as the taste of the food in which this mushroom is included improves. Verify this statement.






5. Discuss the do's and don'ts of composition in mushroom photography.






6. Trace the mycological genealogy of Harry D. Thiers who was my mentor at San Francisco State University and whose mentor was Alexander H. Smith at the University of Michigan.







7. What nutritive value does one obtain from eating mushrooms? Can mushrooms be the only food which makes up the diet of vegetarians?







8. Can fungi be useful in the treatment of malaria? Discuss and provide examples.







9. Compare and contrast ectomycorrhizae, endomycorrhizae, and endophytic fungi.







10. In mushrooms, there are three different concepts of a species. Clearly differentiate and give at least one example for each three different types of species as discussed in Ron Petersen's lecture.











11. Discuss the ecological web between lignicolous fungi, rotting wood, nematode catching fungi, nematodes, insects, hypogeous fungi, flying squirrels, spotted owls, conifers, and endophytic fungi.














12. Diagram or discuss the different developmental methods in mushrooms in which a volva can be formed?