Things You'll Need:
- Plant identification book
- Notebook
- Digital camera (optional)
- Plastic sandwich bag
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Step 1
Define the problem by identifying the plant. Learn about the characteristics of the plant when it is healthy. Use a picture of a healthy plant as a guide.
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Step 2
Examine the leaves and stems of the plant. Are they spotty or limp? Are they discolored? Take note of any characteristics that are different from a healthy plant.
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Step 3
Examine the area around the plant. Is there a lot of sunlight or a little? Is it hot or cold where the plant is located? Is the soil wet, damp or dry? Are there any strange bugs present?
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Step 4
Look for patterns of change in the plant. If you have more than one plant, do they all show signs of disease?
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Step 5
Consider the amount of time since you first noticed the damage. If the damage has spread over the plant or onto other plants over time, this might indicate the presence of living organisms. Take note of any signs of pests or virus-like damage.
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Step 6
Examine the plant for damage that appears to be non-spreading. It may be due to a non-living cause, like temperature, light or chemicals.
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Step 7
Determine whether the cause of the problem is from a living or non-living source.
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Step 8
Diagnose the damage by comparing any signs and symptoms with the symptoms listed in your plant identification book.
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Step 9
Verify your diagnosis. Take a photograph of the damaged part of the plant, along with your notes, and visit with your local cooperative extension agent. You can also place a sample of the damaged plant into a sandwich bag.
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Step 10
Discus and compare your diagnosis with the extension agent. You’ll find that your ability to make the right diagnosis improves over time. You will also become an expert in the care and maintenance of the plants in and around your home.
Before long, your family and friends will be calling you the plant doctor. You'll discover that diagnosing plant damage is a veryuseful skill that you will enjoy sharing with others.
