Phytophthora root rot is usually managed by planting pines into sites having good drainage. In some circumstances fungicide drenches may be used, however, these are of little benefit if drainage problems are not corrected. Procera root rot Abundant resin flow associated with base of trunk, roots, and root collar Avoid planting easterrn white pine on poorly drained sites. Do not replant on sites with confirmed Procera root rot. Sanitation to remove and destroy infected trees including roots.
Older needles turn yellow, then brown in late summer, early fall.
Needles are shed from tree. This is a normal process in the life of the tree. Most obvious on white pine. No control necessary. No image available.