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Host Plant Resistance

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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Host Plant Resistance

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  1. Host Plant Resistance

  2. Cultural Control Definition • Preventive strategies aimed to reduce pest populations through agronomic practices of low environmental impact. 2011 Ento 401 Class

  3. 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.

  4. IPM Chemical Biological Plant resistance Cultural

  5. Case Study: The French Grape Crisis

  6. Case Study: The French Grape Crisis C. V. Riley

  7. Theoretical Approaches • Antibiosis • Antixenosis • Tolerance

  8. Methodological Approaches • Mendelian approach • Biometrician’s approach • Biotechnologist’s approach

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

  10. Molecular markers

  11. Plant defenses • Constitutive • Induced

  12. Plant defense

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

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