Chestnut Blight

Definition

Chestnut blight is a fungal disease caused by an invasive pathogen (Cryphonectria parasitica) that affects chestnut trees. It spreads rapidly through spores carried by wind or insects, leading to cankers on tree trunks which eventually kill the tree.

Analogy

Imagine chestnut blight as a relentless army invading a peaceful village. The fungal disease attacks chestnut trees like soldiers attacking the village walls until they weaken and fall down one by one.

Related terms

Invasive Species: Invasive species are non-native organisms that cause harm to ecosystems they invade. They often outcompete native species for resources or disrupt ecological processes.

Pathogen: A pathogen is any organism (such as bacteria, virus, fungus) that causes diseases in plants, animals, or humans.

Canker Disease: Canker disease refers to the formation of open wounds or lesions on plants, usually caused by pathogens. It can weaken or kill the affected plant.