Host Plant Resistance

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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

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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.

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IPM
Chemical
Biological
Plant resistance
Cultural
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Case Study The French Grape Crisis
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Case Study The French Grape Crisis
C. V. Riley
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Theoretical Approaches

• Antibiosis
• Antixenosis
• Tolerance

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Methodological Approaches

• Mendelian approach
• Biometricians approach
• Biotechnologists approach

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Resistance to Bt crops
Bt crop
Non-Bt crop (refuge)
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Molecular markers
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Plant defenses

• Constitutive
• Induced

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Plant defense
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Future goal of plant resistance

• To incorporate plant defense genes into crops.

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