Ib 371 general mycology lecture outline 22 erysiphales tuesday, November 11, 2003




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IB 371 - GENERAL MYCOLOGY

LECTURE OUTLINE 22

ERYSIPHALES

Tuesday, November 11, 2003

At the conclusion of today's lecture, you should be able to:


1. Discuss the distinguishing characteristics of the Erysiphales.
2. Explain what an obligate parasite is and outline the life cycle of a species in the Erysiphales.
4. Contrast the morphology and biological role of the Erysiphales and Eurotiales.
I. Erysiphales

A. Morphological characteristics.

B. Life cycle and life history strategy.

C. Dispersal



D. Biological and economic importance. http://ohioline.ag.ohio-state.edu/hyg-fact/3000/3047.html; http://www.msue.msu.edu/msue/imp/mod03/01701178.html


Required reading: Text 1 – pp. 67-68; Text 2 - chapter 15; The Advance of the Fungi by Large: Chapters 3 & 4. What role did God, the Tulasne brothers and deBary play in working out the life cycle of the powdery mildews?
Vocabulary: Oidium, haustorium, hymenium, heteroeocy.


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