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Host Plant Resistance. Cultural Control Definition. Preventive strategies aimed to reduce pest populations through agronomic practices of low environmental impact. 2011 Ento 401 Class. Host Plant Resistance.
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Cultural Control Definition • Preventive strategies aimed to reduce pest populations through agronomic practices of low environmental impact. 2011 Ento 401 Class
Host Plant Resistance Is the collective heritable characteristics by which a plant species, race, clone or individual may reduce the possibility of successful utilization of that plant as a host by an insect species, race, biotype or individual.
IPM Chemical Biological Plant resistance Cultural
Case Study: The French Grape Crisis C. V. Riley
Theoretical Approaches • Antibiosis • Antixenosis • Tolerance
Methodological Approaches • Mendelian approach • Biometrician’s approach • Biotechnologist’s approach
Resistance to Bt crops Bt crop Non-Bt crop (refuge)
Plant defenses • Constitutive • Induced
Future goal of plant resistance: • To incorporate plant defense genes into crops.