Structural%20Root%20Rot (Ganoderma%20sp.) - Structural%20root%20rots%20are%20a%20genus%20of%20various%20rots%20affecting%20the%20roots%20of%20a%20great%20diversity%20of%20plants.%20Infected%20trees%20usually%20are%20wounded%20by%20landscaping%20equipment%20or%20by%20roadside%20disturbances%20which%20allows%20the%20pathogen%20to%20enter%20the%20tissue.