biological control & modified banker plants
DESCRIPTION
Biological Control & Modified Banker Plants. L.S. Osborne. Modified Banker Plants. Uses alternate hosts Uses confined hosts Potential to sell entire system May be specific to region Can move plants out if pesticides are needed. Modified Banker Plants. Used to establish natural enemies - PowerPoint PPT PresentationTRANSCRIPT
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Biological Biological ControlControl
& & Modified Banker Modified Banker
PlantsPlantsL.S. OsborneL.S. Osborne
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ModifiedModifiedBanker PlantsBanker Plants
Uses alternate hosts Uses confined hosts Potential to sell entire
system May be specific to region Can move plants out if
pesticides are needed
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Used to establish natural Used to establish natural enemiesenemies
Used to augment natural Used to augment natural enemiesenemies
Used to increase natural enemy Used to increase natural enemy numbersnumbers
Used to evaluate quality of Used to evaluate quality of natural enemiesnatural enemies
ModifiedModifiedBanker PlantsBanker Plants
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Used to evaluate quality of Used to evaluate quality of natural enemiesnatural enemies
Used to slow Used to slow PESTICIDE PESTICIDE RESISTANCERESISTANCE
Can be integrated with pesticides if necessary
TRAINING!TRAINING!
ModifiedModifiedBanker PlantsBanker Plants
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SCOUTSCOUTSCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT
SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT
SCOUTSCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT
SCOUT SCOUTSCOUT SCOUT
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Biological Biological
ControlControl WHYWHY??
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100% 100% Reliance on Reliance on Pesticides =Pesticides =
RESISTANCRESISTANCEE
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Crisis!Crisis!
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Biological Biological ControlsControlsParasitesParasitesPredatorsPredatorsPathogensPathogens
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Natural enemies
Parasitoid
• Pathogen or nematode
• Predator
• Hyperparasite
• Parasite
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TYPICAL RELEASETYPICAL RELEASEMETHODSMETHODS
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SSeasonal Inoculative easonal Inoculative
0
0.5
1
1 2 3 4 5 6
Time Time ((monthsmonths))
EILEIL
IIntroduce ntroduce natural enemiesnatural enemies
BeginCycle End
CycleBeginCycle
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EconomicsEconomics
Problems-
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AvailabilityAvailability
Problems-
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Quality Quality ControlControl
Problems-
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PesticidePesticideInteractionInteraction
ss
Problems-
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Modified Modified Banker Banker PlantsPlants
(Open Rearing Systems)(Open Rearing Systems)
Solution?
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Isolation Area 1Clean Host PlantsClean Host Plants
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Isolation Area 2Isolation Area 2Infested Host PlantsInfested Host Plants
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Isolation Area 3Isolation Area 3Infest with Natural Infest with Natural
EnemiesEnemies
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Banker Banker PlantsPlants
0
0.5
1
1 2 3 4 5 6
Time Time ((monthsmonths))
EILEIL
IIntroduce ntroduce banker plantsbanker plants
BeginCycle End
CycleBeginCycle
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BP=BP= Pollen Producing Plants or Pollen Producing Plants orGrainGrain
AH=AH= Stored Product Mite or Stored Product Mite or PollenPollen
NE=NE= Amblyseius swirskii, A. Amblyseius swirskii, A. cucumeris, Oriuscucumeris, Orius
THRIPSTHRIPS
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Banker System(without a plant)
Amblyseius swirskiiAmblyseius swirskii
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A sachet contains bran, A sachet contains bran, Carpoglyphus lactisCarpoglyphus lactis (Dried (Dried Fruit Mite or Sugar Mite) and the predatory miteFruit Mite or Sugar Mite) and the predatory mite
A. swirskiiA. swirskii..
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BP=BP= Potato or Squash Potato or SquashAH=AH= The mealybug pest The mealybug pestNE=NE= Parasitoids and PredatorsParasitoids and Predators
MEALYBUGSMEALYBUGS(open rearing system)(open rearing system)
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