“Because a plant can’t move away from predators, they’ve evolved to become fortresses, with a whole line up of defences from the obvious, like spines, to the subtle, such as poisons that render insects infertile.
This article looks at some of the hidden plant defences against both pests and dieseases, and how plants can switch on defence-related genes. ”
Download the article written by Stephen Day at Science and Plants for Schools: Article – Plants Fight Back – Science & Plants for Schools.