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Unformatted text preview: Rhizoctonia in the plant disease lessons on the CD. 6. Describe characteristics of Armillaria and the root rot it causes on woody species. Examine the disease cycle in the plant disease lessons on the CD. What roles do the mushrooms and rhizomorphs play in the disease cycle 7. What characteristics are used to classify a fungus as a zygomycete? Describe the disease cycle of a zygomycete such as Rhizopus . What are sporangia, coenocytic hyphae and zygospores? 8. Describe how you would go about isolating a fungal pathogen into pure culture from infected plant material. What characteristics of the fungus would you use to help determine the type of fungus isolated from the infected plant tissues. Assume that this is a non-obligate parasite....
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- Spring '08