Control of Forest Disorders

1
Control of Forest Disorders

• Compiled by
• James Ryan Doster
• Modified by Georgia Agriculture Education
  Curriculum Office June 2004

2
Why Worry About Controlling Forest Disorders?

• Insects kill more trees than does fire.
• It is estimated that we lose 3 billion cubic feet
  of timber per year in the south as a result of
  insects and diseases.
• Insects and diseases affect trees in all stages
  of development.

3
Meet the EnemyThe Bark Beetles
4
See the Battle Field
5
What Can We Do About Bark Beetles?

• Good management is the key.
• Keep a sharp eye out for evidence of a problem.
• Cut Dead and dying trees rapidly.
• Chemicals (See current issue of Georgia Pest
  Control Handbook)

6
Control of the Pine Tip Moth

• Plant Resistant species such as Slash pine
• Remove and Destroy injured terminal buds

7
Control of the Pales Weevil

• Remove old stumps and slash prior to planting.
• Plant where pines were cut at least 6 months ago

8
Controlling Aphids

• Chemicals
• Predators such as Lady bugs.

9
Control of the Red-Headed Sawfly

• Parasites and Predatory insects
• Spray seedlings before eggs hatch

10
Control of Bagworms

• Chemicals in spring or summer.
• Hand removal
• burning

11
Controlling Gypsy Moths

• Difficult to Control
• Spraying
• Parasites
• Not established in Georgia.