A common problem encountered in all irrigation systems is growth of micro-organisms in the irrigation pipes causing poor flow, blockages and the potential for the spread of disease-causing organisms throughout the irrigated area, particularly fungal diseases. chlorine dioxide acts a soil disinfectant and irrigation system biofilm remover in agriculture, viticulture and horticulture.also extremely effective as a fungicide when it is used in the form of spray for the removal mold from plants, leaves and fruits. Apply chlorine dioxide solutions in horticulture: Dosing a liquid chlorine dioxide solution directly into irrigation flow |