The technological breakthrough came when we were able to isolate the very substance that the plants use to fight disease. To put quite simply, AU 60 Root Repair fights disease for the plant. This allows the plant to flourish uninhibited by disease and grow more roots to facilitate a greater food production, thus growing bigger, stronger and healthier. AU 60 Root Repair is a non-toxic pesticide. AU 60 is an organic, naturally occurring substance that controls disease.