This preview shows page 1. Sign up to view the full content.
Unformatted text preview: Sclerotinia ? What type of pathogen (trophic level) is Sclerotinia ? Sclerotinia easily reproduces in the plant debris near hosts. Sclerotinia is a necrotrophic plant. 7. (3 pts) What two spore types are produced by the apple scab pathogen, Venturia inaequalis ? What role does each play in the development of apple scab epidemics? Ascospores serve as the primary inoculums. Conidia perpetuate the disease and serve as the secondary inoculum. 8. (3 pts) What is oxalic acid? How is it utilized by Sclerotinia sclerotiorum during infection? Oxalic acid is a cell degrading compound that is used to aid infection and colonization by the sclerotinia species of disease....
View Full Document
- Spring '08