PLTPTH X001 - 20 Questions of Plant Problem Diagnostics
Based on the "20 Questions on Plant Diagnosis" fact sheet from Ohio State University Extension, the course guides participants through a structured process for identifying plant health issues. Topics include recognizing normal versus abnormal plant characteristics, understanding common plant-specific problems, distinguishing between signs and symptoms, and evaluating environmental influences. Learners develop critical thinking and observational skills essential for accurate diagnosis and effective treatment recommendations in horticulture, agriculture, and landscape management.
This self-paced course includes the following modules:
- Knowing Your Plant - Questions 1-3
- Overall Health Assessment - Questions 4-5
- Careful Observation - Questions 6-8
- Gathering More Information - Questions 9-13
- Diagnostic Resources and Sampling - Questions 14-16
- Diagnosis and Next Steps - Questions 17-20
- Case Study Practice
Delivery Options
Online Self-Paced: Online, self-paced course.
Time to Completion
This course is projected to take 8 hours to complete.
Technology Requirements
- For best performance, a computer or tablet that supports the most recent web browser versions and can play mp4 files is recommended. It is suggested to use a computer five years old or newer with at least 1GB of RAM and a high-speed internet connection. Some features may not be compatible with mobile devices.
- Adobe Acrobat Reader can be downloaded for free at: https://get.adobe.com/reader/
- Recommended browsers: Mozilla Firefox, Google Chrome, or Microsoft Edge.
What You’ll Learn
- Explain the importance of proper plant identification.
- Determine normal and abnormal conditions for specific plant species.
- Identify credible sources of knowledge and resources pertaining to specific plant species.
- Use diagnostic tools such as soil probes, digging tools, and sampling equipment to study plant health.
- Analyze plant health, history, and environment to determine diagnosis.
What You’ll Earn
- A Certificate of Completion from Ohio State University Extension.
Contact Us
For questions about enrollment, payment options, technology support, or course records, please contact our Enrollment Support team. Inquiries are typically answered within 24 business hours.
For questions about course content or learning objectives, please contact Ashley Kulhanek.