Host Plant Resistance. Cultural Control Definition Preventive strategies aimed to reduce pest populations through agronomic practices of low environmental.

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Presentation transcript:

Host Plant Resistance

Cultural Control Definition Preventive strategies aimed to reduce pest populations through agronomic practices of low environmental impact 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.

Chemical Biological Cultural Plant resistance IPM

Case Study: The French Grape Crisis

C. V. Riley

Antibiosis Antixenosis Tolerance Theoretical Approaches

Methodological Approaches Mendelian approach Biometrician’s approach Biotechnologist’s approach

Resistance to Bt crops Bt crop Non-Bt crop (refuge)

Molecular markers

Plant defenses Constitutive Induced

Plant defense

Future goal of plant resistance: To incorporate plant defense genes into crops.

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