GCSE Biology - Plant Disease and Defences #46

The video tutorial explains how plants can contract diseases from microorganisms and larger organisms, as well as deficiency diseases due to lack of essential minerals. It describes symptoms of plant diseases and methods for diagnosing them, including observation, consulting experts, and trial and error. The video also covers plant defenses, which are categorized into physical, chemical, and mechanical defenses, highlighting how plants protect themselves from pathogens and pests.

What are some common microorganisms that can cause diseases in plants?

How do nitrates and magnesium ions affect plant growth?

What are some symptoms of diseased plants?

What methods can be used to diagnose plant diseases?

Describe the different types of plant defenses against diseases.