Karrikinolide

Karrikinolide is a plant growth regulator that has been found in plant-derived smoke.{53472} It increases the germination rate and seedling mass in a panel of eight arable weed species when applied to filter paper at a concentration of 1 uM. Topical application of karrikinolide (0.1 nM) increases the number of leaves, leaf length, and fresh and dry leaf weights in commercial onion (A. cepa) plants.{53471}