They appear to be widely distributed in the plant kingdom. Inhibition of root growth and development. Promotion of ethylene biosynthesis and epinasty. Salicylates Salicylates have been known to be present in willow bark for quite some time. They have only recently been recognized as potential growth regulators in plants.
Salicylic acid is synthesized from the amino acid phenylalanine.
Plant pathogen resistance-stimulates plant pathogenesis protein production. Reported to enhance longevity of flower. Reported to inhibit ethylene biosynthesis. Reported to inhibit seed germination. Blocks the wound response.