How to be deleting patricles of an object?

I'm doing a gh game but there's a problem with the long notes(I don't know exactly the name), I don't know how to be deleting the particles of the game object like in gh that is like deleting that parts in the place that has to be deleting.

Please If someone knows how to do it, please help me!!!:)

Destroy(particleEmitter);

will destroy the particle emitter object from a gameobject