Artificial gibberllins – It is used for increasing fruit size in grapes and apple and also for preventing ripening of fruits to assist marketing.
Artificial abscisic acid – It is used for harvesting fruits at the same time. Ethylene- Ethylene is used for the flowering of pineapple plants at a time and for the ripening of tomato, lemon, orange, etc. Ethyphon, a chemical which is available in liquid form, gets transformed into ethylene, when used in rubber trees and it increases the production of latex.
