Tuesday, December 9, 2003




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IB 371 - GENERAL MYCOLOGY

THE ZYGOMYCOTA PART II

Tuesday, December 9, 2003


Lecture 28

At the conclusion of today’s lecture and after reading the text, you should be able to:


1. Discuss the biological importance of the Mucorales, Endogonales and Glomales.
2. Explain how the Entomothorales differ from the Mucorales and describe their importance to certain animal species.
3. Explain to an entomologist what the Trichomycetes look like, where to find them and the type of symbiosis they have with certain insects.
4. Describe the morphology of VA mycorrhizal fungi inside and outside of the plant host and tell how these fungi are important to plants.

I. MUCORALES

A. Distinguishing characteristics.

B. Sporangial diversity.

C. Zygospore diversity.

D. Habitat, life history strategy and ecological importance.

E. Economic importance.
II. ENTOMOPTHORALES.

A. Distinguishing characteristics.

B. Life cycles.

C. Importance.

1. Human pathogens.
2. Insect pathogens.
III. ENDOGONALES AND GLOMALES

A. Who are they?

B. What do they do?
IV. TRICHOMYCETES (If time permits)

A. Distinguishing characteristics.



B. Habitat and ecological role.
Assigned reading: Text 1 – pp. 25-36, 262-286: Text 2 - Chapter 5: 142-171; Chapter 6.

Optional reading: Lichtwardt, R.W. 1986. The Trichomycetes. Springer-Verlag, New York.

Vocabulary: sporangiola, merosporangia, hyphal bodies, VA mycorrhizae, arbuscules, vesicles, sporocarps, biological control, holdfast, trichospore, arthrospore.




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