Many current fungicides are including a resistance management program on their label.
Because of the various ways the active ingredient in TurfShield enhances root growth and prevents diseases, resistance will not develop. TurfShield is the first EPA-registered biological fungicide for golf course greens, tees and fairways. TurfShield contains the highly effective active ingredient Trichoderma harzianum Strain T-22, a beneficial fungus with root growth enhancing properties. Developed at Cornell University, and manufactured by BioWorks, TurfShield will grow on the turf roots prohibiting the attack of root pathogens while minimizing environmental stresses to your turfgrass. Healthier and greener turf with a protective barrier against root fungal pathogens.