Plant defences, and identifying plant diseases
Lesson 2 / 7
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I can describe physical, chemical and mechanical plant defences against pathogens and pests, and can describe ways in which plant diseases can be identified.
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Plants can be infected by pathogens such as viruses, bacteria and fungi that cause diseases.
Pests, including insects, can damage plants by feeding on them, and can spread pathogens that cause diseases.
Plants have physical, chemical and mechanical defences against pathogens.
Examples of physical, chemical and mechanical defences in plants.
Ways to identify plant diseases and the pathogens that cause them.
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