Arboriculture Terms

Solid or semisolid natural organic flammable substance formed by plant secretions that are typically not water-soluble

1) in plants. the tendency to withstand certain pests. disease. or fungal problems; pest resistance. 2) in insects. the ability to withstand certain insecticides; survival of just a few genetically resistant insects that reproduce can lead to populations that are resistant.

see micro drill resistance testing.