Biological Control Strategies III
Bio-control Strategies Classical Biological Control Augmentation - Inundation - Inoculation Conservation Biological Control
Natural enemies are not released Enhance control by indigenous agents Habitat management - Conservation (i.e.,habitat refuges) - Food sources
Conservation Bio-control Definition “ Modification of the environment or existing practices to protect and enhance specific natural enemies or other organisms to reduce the effect of pests”
Example: Beetle banks
Cover crops
Enhance natural enemy populations
Hedgerows and weed strips
Intercropping
Crop residues
Taking advantage of epizootics
Avoiding insecticide use
Selective Pesticides
Avoid exposure
Limit insecticide applications
Crop management
Plant characteristics
Soil
Physical environment
Adding food and shelter to crops