... from being attacked by creatures. Chitosan is composed of a group of chitosan oligosaccharides which defend plants from being attacked ... , Banana, Grape, Fruit Crop, Cotton, flower ect.Method of useFoliar spraying, root irrigating or seed soaking;Foliar spraying: application ... (20ml mixed with 15kg water), it is recommended to use on double leaves are evenly moistened.Root irrigating: directly ...