host plant resistance. cultural control definition preventive strategies aimed to reduce pest...
TRANSCRIPT
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
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.
Ch
emic
alC
hem
ical
Bio
log
ical
Bio
log
ical
Cu
ltu
ral
Cu
ltu
ral
Pla
nt
resi
stan
ceP
lan
t re
sist
ance
IPMIPM
Case Study: The French Grape CrisisCase Study: The French Grape Crisis
Case Study: The French Grape CrisisCase Study: The French Grape Crisis
C. V. Riley
• Antibiosis
• Antixenosis
• Tolerance
Theoretical ApproachesTheoretical Approaches
Methodological ApproachesMethodological 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.