At very low power, not enough power to kill a plant that has lots of water in it.
While you're at it, attach it into a drone. Useful for animal herding and crowd control as well.
Because outside of a lab, lasers with enough power to zap and destroy 100 plants per second don't actually exist?
(Not that I've done the math, but you really do need a lot of power.)
While you're at it, attach it into a drone. Useful for animal herding and crowd control as well.