Homework: Plant Pathology CMG GardenNotes #332

CMG GardenNotes #332
Homework: Plant Pathology
Answer the following questions
1. What is the difference between a sign and symptom?
2. Explain the disease triangle.
3. What is the difference between biotic and abiotic causal agents?
4. Leaf spots are a symptom of only fungal infection not bacterial infection. T or F
5. Weed control could help suppress disease control in the garden. T or F
6. How are viruses transmitted?
7. How can some abiotic disorders relate to improper water management?
8. Chemical injury to plants can be caused by what?
9. What abiotic disease symptoms mimic biotic disease symptoms?
10. What is the first step in the diagnostic process?