It has just marketed an active matter that stimulates the natural defenses of plants. This protein called harpine produces a hypersensitive response to the plant. The treatment keeps plants like cotton, tomato or lemon on alert. As a result, being attacked by a parasite or insect, their defenses are ready to move quickly and easily. In addition, this protein accelerates its growth and maturation. In this way, this protein could be another step in the use of insecticides.