ABA is synthesized in almost all cells that contain chloroplasts
or amyloplasts and has been detected in every major organ and tissue. ABA is a 15-carbon terpenoid, or sesquiterpenoid, which is synthesized in plants by an indirect pathway via 40-carbon carotenoid intermediates
#Unit 6. System Physiology – Plant#Abscisic Acid - A Seed Maturation and Antistress Signal#Part B Pointers