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PLP_405_exam_II__2005 - PLP 405 Exam II 2005 Name Lab...

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PLP 405 Name___________________ Exam II 2005 Lab Section__________ Part I. (2 pts. each) Match the numbered statement with the letter of the correct response listed below. Each question requires only one answer. More than one answer may be correct. Each answer may be used more than once. ______1. Disease responsible for Bengal famine _____2. Mating type of Phytophthora infestans recently introduced into Europe ______3. Feeding structures of downy and powdery mildews ______4. Plant pathogen that kills plant tissue to obtain nutrients ______5. Vector of Dutch Elm Disease ______6. Pathogen commonly responsible for anthracnose diseases ______7. Infection that remains symptomless for a period of time ______8. Overwintering fruiting bodies of powdery mildews ______9. A major source of genetic variation in plants and microbes ______10. Name given to a group of bacterial strains within the same species that can only cause disease on a specific host species or genus. ______11. Toxic substance produced by Fusarium graminearum ______12. Sign of fire blight on infected pear fruit ______13. Seedling dieback ______14. Active ingredient in Bordeaux mixture
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