host plant resistance. cultural control definition preventive strategies aimed to reduce pest...
TRANSCRIPT
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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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Ch
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IPMIPM
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Case Study: The French Grape CrisisCase Study: The French Grape Crisis
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Case Study: The French Grape CrisisCase Study: The French Grape Crisis
C. V. Riley
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• Antibiosis
• Antixenosis
• Tolerance
Theoretical ApproachesTheoretical Approaches
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Methodological ApproachesMethodological Approaches
• Mendelian approach
• Biometrician’s approach
• Biotechnologist’s 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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