How to Manage Pests
Pests in Gardens and Landscapes
Wetwood or Slime flux
Wetwood is caused by several species of bacteria; yeast organisms may also be involved. Wetwood is especially
common in elm and poplar, but affects many other plants including box elder, hemlock, magnolia, maple,
and oak. Affected trees have stained areas of wood that exude fluid. Usually trees about 10 years of age
or older exhibit symptoms. Foliage wilt and branch dieback can occur on severely infected trees. Although
it can be unsightly, affected wood may be as strong as healthy wood.
Prevent wetwood bacteria and yeasts from infecting trees by avoiding injuries to bark and wood.
infection causes stained wood