Explanation should include
- defining abiotic and biotic factors
- comparing symptoms of abiotic disorders and biotic diseases and their causes
- diagnosing plant problems caused by environmental conditions.
Process/Skill Questions:
- What is an abiotic disorder?
- Why are abiotic disorders and diseases often confused?
- What are examples of factors that influence abiotic or biotic activity?
- What is the difference between signs and symptoms when diagnosing plant problems?
- What types of organisms cause biotic or infectious plant diseases?