The root of your successTrichoderma asperellum T34ASPERELLO™ T34 Biocontrol® is a biofungicide which contains the antagonistic fungus Trichoderma asperellum strain T34. It has multiple modes of action. ASPERELLO™ colonizes the roots, forms a barrier against pathogens and supports healthy root growth; ASPERELLO™ triggers the plant’s natural defense mechanisms and it parasitizes and actively kills pathogens.It is used in a preventative way to protect