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

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Presentation on theme: "Host Plant Resistance. Cultural Control Definition Preventive strategies aimed to reduce pest populations through agronomic practices of low environmental."— Presentation transcript:

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 Chemical Biological Cultural Plant resistance IPM

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6 Case Study: The French Grape Crisis

7 C. V. Riley

8 Antibiosis Antixenosis Tolerance Theoretical Approaches

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

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

16 Molecular markers

17 Plant defenses Constitutive Induced

18 Plant defense

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

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