Pecan IPM Toolbox: Insect Monitoring and Control
Introduction
Obscure Scale Control
- Scale Weakens Trees
- Scale Attacks Unsprayed Trees
- Survey Scale in Dormant Season
- Dormant Oil or Insecticide?
- Applying Dormant Oil
- Good Agitation is Important
- Correct Air Temperature
- Thorough Coverage
- Obscure Scale Survey and Action Level
Phylloxera Control
- Phylloxera Damage is Progressive
- Phylloxera Moves Slowly
- Survey Phylloxera in May
- Survey Each Native Tree for Phylloxera
- Survey Each Variety for Phylloxera
- Treat Pecan Trees at Budbreak for Phylloxera
- Phylloxera Survey and Action Level
Leaf Tatterer and Defoliator Control
Pecan Nut Casebearer Control
- First Generation PNC Control
- Second Generation PNC Control
- Third Generation PNC Control
- Second and Third Generation Pecan Nut Casebearer Survey and Action Levels
- A Temperature Prediction Method for PNC Adult Activity
Fall Webworm Control
- Rarely Economical
- May Attack Unsprayed Trees
- Spot-treat Colonies
- Penetrate Webbing with Spray
- Fall Webworm Survey and Action Level
Walnut Caterpillar Control
- Environmental Restraints
- Eggs
- Larvae
- Ten Colonies Per Acre
- Survey at 3-week Intervals
- Survey Eggs and Feeding Colonies
- Economic Threshold
- Treat Before 4th Instar
- Walnut Caterpillar Survey and Action Level
Stinkbug and Plantbug Control
- Several Species Responsible
- Two Types of Damage
- Migration into Pecan Trees
- Keep Vegetation Down
- Check Nut Drop for Damage
- Inspect Clusters for Adults
- Survey and Action Level
Yellow Pecan Aphid Control
- An Annual Problem
- "Honeydew"
- "Sooty Mold"
- Damage Affects Current and Next Year's Crop
- Survey Foliage for Action Level
- Beneficials Helpful
- Survey and Action Level
Black Pecan Aphid Control
- Premature Defoliation Causes Crop Reductions
- Low Action Level
- Feeding Damage
- "Blotching" Good Indicator
- Survey and Action Level
Mite Control
- Many Species
- Feeding
- Leaf Bronzing
- Outbreaks Possible
- Resistance to Chemical Control
- Survey and Action Level
Hickory Shuckworm Control
- Nature of Damage
- Biology and Identification
- Nut Drop and Shell Hardening
- History of Damage and Treatment
- Survey and Action Level
Pecan Weevil Control
- Damage Reduces Yields
- Identification
- Biology
- Control Adults Before Egg Lay
- Monitor Adult Weevil Emergence
- Limb Jarring
- Emergence Cones
- Population Density Economics
- Emergence Cone Replacement
- Knockdown Sprays
- Nut Development Important
- Timing Treatments
- Monitor Through Shucksplit
- Weevils Delayed by Drought
- Survey and Action Level
- Adult Pecan Weevil Trap Construction Plans
