A Technical Report from The Bartlett Tree Research Laboratories
Landscape plants are exposed to many stresses caused by (non-living) agents including environmental, cultural, and site disorders. The impact of these disorders on plant health is influenced by many factors including the type, severity, and duration of the stress, species susceptibility to the specific disorder and age and initial condition of the plant. Often decline results from several abiotic agents that work in concert. Stress created by abiotic pathogens frequently predisposes landscape plants to secondary biotic pests such as borers, bark beetles, canker, and root disease fungi that contributes to decline and death.