Fosfiron Cu is a nutrient in liquid form, which has a dual function on plant; Acts as a powerful phosphocupric nutrient with excellent results in bloom, fruit set, and roots developmemt. Gives the plant a nutritional state that provides greater defense against external attacks through the production stimulation of its own natural defenses against certain type of fungi attack such Omicetes, Phytophthora or Peronospora. For this reason, not resistant will would occur as difference of the conventional fungicides.