Identifying Disease
Biology: AQA GCSE Higher, topic 3.3.4
Identifying Plant Disease
There are three methods you can use to identify a plant’s disease. These are:

Gardening manual
- Refer to a gardening manual or website.

Laboratory
- Take an infected plant to a laboratory to identify the pathogen.

Testing kit
- Use testing kits that contain monoclonal antibodies.
Test yourself on Identifying Disease
What is the purpose of taking an infected plant to a laboratory?
A gardener notices signs of disease on their plant and wants to identify the exact pathogen responsible. Which method should they use?
What term describes stems or leaves that have grown into an abnormal shape, as a sign of plant disease?
A gardener notices small insects covering the underside of a plant's leaves, while the stems and leaf colour remain completely normal. What sign of plant disease does this describe?
A gardener wants to quickly test their plant for a specific pathogen without sending it away to a laboratory. Which method should they use?