Q & A
What is the Abscisic Acid in a vine, also called ‘ABA’?
The hormone “Abscisic Acid,” commonly referred to as “ABA,” is found naturally in vines and controls growth and physiology. Physiological stresses, such as short days and water stress, promote its production. It was discovered in the 1940s by Torsten Hemberg at the University of Stockholm…