PLP_Lecture_9 - from the time a spore lands on the surface of a leaf until the appressorium is formed 8 What is the function of the appressorium

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PLP 405 Lecture 9 Review and Discussion Questions 1. Review the concept of the disease cycle 2. How do pathogens overwinter? What types of fungal and oomycete structures are important in this? 3. How long can pathogens survive in soil and plant material. Be able to give some examples. 4. What are some of the sources of primary inoculum? 5. What is pathogenesis? Define virulence and pathogenicity. 6. What are the major routes that bacterial and fungal/oomycete pathogens use to invade plant tissues? 7. Using a fungal pathogen that produces an appressorium, describe the events that take place
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Unformatted text preview: from the time a spore lands on the surface of a leaf until the appressorium is formed. 8. What is the function of the appressorium? What is the penetration peg? Describe the mechanisms used by the fungus to penetrate through the cuticle and primary cell wall of the epidermis. 9. Once penetration occurs, are fungal and oomycete hyphae primarily intracellular or intercellular. 10. What routes are used by bacteria to infect plants? How do bacterial pathogens colonize plant tissues?...
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This note was uploaded on 03/19/2008 for the course PLP 405 taught by Professor Hammerschmidt during the Spring '08 term at Michigan State University.

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