... composed of a group of chitosan oligosaccharides which defend plants from being attacked by creatures. Chitosan is composed of a ... free.This new type of bio-high tech product is made from marine organism by means of bio-enzyme engineering technology and ... vegetable, Tamato, Hot pepper, watermelon, Banana, Grape, Fruit Crop, Cotton, flower ect.Method of useFoliar spraying, root irrigating or seed ...