This can result in a reduction of biodiversity. Plant cuttings can be dipped in hormone rooting powder before planting. Synthetic plant hormones are used to control plant growth. For example ...

Plant hormones, also known as phytohormones, are chemicals that regulate plant cell processes. They are signal molecules produced within the plant functioning in extremely low concentrations.

View Full Profile. Learn about our Editorial Policies. Plant SLs serve two roles: canonical ones act as external signaling molecules typically released from the roots, while noncanonical SLs function ...