BONIDE Sucker Punch is the fast and easy way to prevent and control unwanted plant suckers and sprouts. It is a growth regulator that can be used on the base of trees and shrubs, in the canopy and on the trunk of trees. Excellent training tool to promote the growth and development of strong, well spaced branches that resist wind and ice damage, improve spray penetration for better insect and disease control and improve light penetration for better overall growth.