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Integrated Pest Integrated Pest ManagementManagement
PEST MANAGEMENTPEST MANAGEMENT
Cultural (Prevention)Cultural (Prevention) Modification of normal plant careModification of normal plant care Proper plant selectionProper plant selection Resistant speciesResistant species Proper watering, fertilizing, etc.Proper watering, fertilizing, etc.
PEST MANAGEMENTPEST MANAGEMENT
MechanicalMechanical Labor, materials (not pesticide), Labor, materials (not pesticide),
machinerymachinery Picking bagworms (labor)Picking bagworms (labor) Removing debris (labor)Removing debris (labor) Mulching (material)Mulching (material) Mowing (machine)Mowing (machine)
PEST MANAGEMENTPEST MANAGEMENT
Physical controlPhysical control Environmental manipulationsEnvironmental manipulations Light, temperature, humidity, and Light, temperature, humidity, and
moisturemoisture Use of straw to reduce frost damageUse of straw to reduce frost damage Pruning to increase air movement and Pruning to increase air movement and
light penetrationlight penetration
PEST MANAGEMENTPEST MANAGEMENT
Does nothing.Does nothing.
PEST MANAGEMENTPEST MANAGEMENT
Biological (Biological (Beneficial organisms)Beneficial organisms) Plant diversity increases beneficial Plant diversity increases beneficial
presencepresence Overuse of chemicals reduce beneficial Overuse of chemicals reduce beneficial
presencepresence ReleaseRelease
http://www.thewire.com/business/2014/05/wasps-are-here-to-save-our-limes/370906/
/ http://www.nytimes.com/2014/07/15/us/http://www.nytimes.com/2014/07/15/us/
arizona-water-tamarisk-beetle.html?_r=0arizona-water-tamarisk-beetle.html?_r=0
http://www.nytimes.com/2014/07/15/us/http://www.nytimes.com/2014/07/15/us/arizona-water-tamarisk-beetle.html?_r=0arizona-water-tamarisk-beetle.html?_r=0
PEST MANAGEMENTPEST MANAGEMENT
Chemical (The Almighty)Chemical (The Almighty) Fast and temporaryFast and temporary Overuse can build resistance and Overuse can build resistance and
disrupt ecological balancedisrupt ecological balance
http://www.npr.org/blogs/thesalt/http://www.npr.org/blogs/thesalt/2013/07/09/198051447/as-biotech-seed-2013/07/09/198051447/as-biotech-seed-falters-insecticide-use-surges-in-corn-beltfalters-insecticide-use-surges-in-corn-belt
http://www.npr.org/blogs/thesalt/http://www.npr.org/blogs/thesalt/2013/07/09/198051447/as-biotech-seed-2013/07/09/198051447/as-biotech-seed-falters-insecticide-use-surges-in-corn-beltfalters-insecticide-use-surges-in-corn-belt
Integrated Pest Integrated Pest ManagementManagement
IPMIPM – – ecologicalecological approach to preventing approach to preventing unacceptableunacceptable pest presence or damage pest presence or damage < 0.1 % of all insects are harmful to plants< 0.1 % of all insects are harmful to plants
Moderate levels of a pest can be Moderate levels of a pest can be harmless, even beneficial when providing harmless, even beneficial when providing food for predatorsfood for predators
COMPONENTS OF AN IPMCOMPONENTS OF AN IPM
PreventionPrevention Plants weakened by improper selection, Plants weakened by improper selection,
planting, and managementplanting, and management
COMPONENTS OF AN IPMCOMPONENTS OF AN IPM
IdentificationIdentification Which pest is causing the damage?Which pest is causing the damage? Are symptoms abiotic?Are symptoms abiotic? The wrong ID could result in the wrong The wrong ID could result in the wrong
treatmenttreatment
COMPONENTS OF AN IPMCOMPONENTS OF AN IPM
Monitoring/ScoutingMonitoring/Scouting Different monitoring programs for each Different monitoring programs for each
pestspests Scouting routines weeklyScouting routines weekly Know common problems in area and Know common problems in area and
time of occurrencetime of occurrence -When and What to look for-When and What to look for
COMPONENTS OF AN IPMCOMPONENTS OF AN IPM
Monitoring/ScoutingMonitoring/Scouting Scouting for pest and/or symptomsScouting for pest and/or symptoms Know beneficials and damaging insectsKnow beneficials and damaging insects
COMPONENTS OF AN IPMCOMPONENTS OF AN IPM
ThresholdsThresholds Every plant tolerates certain amount of Every plant tolerates certain amount of
pests and damagepests and damage When should action be taken?When should action be taken?
COMPONENTS OF AN IPMCOMPONENTS OF AN IPM
Agricultural thresholdsAgricultural thresholds Yield determine thresholdYield determine threshold
2 hornworms per tomato significantly 2 hornworms per tomato significantly reduces number of tomatoes producedreduces number of tomatoes produced
Most research has been applied in this Most research has been applied in this areaarea http://ipmpipe.org/http://ipmpipe.org/
COMPONENTS OF AN IPMCOMPONENTS OF AN IPM
Ornamental thresholdsOrnamental thresholds When does damage look bad?When does damage look bad? Client’s expectationsClient’s expectations Little research done in this areaLittle research done in this area
COMPONENTS OF AN IPMCOMPONENTS OF AN IPM
Thresholds change based on susceptibilityThresholds change based on susceptibility Age of plantAge of plant
COMPONENTS OF AN IPMCOMPONENTS OF AN IPM
Thresholds change based on susceptibilityThresholds change based on susceptibility StressStress
Environmental Environmental
If action taken is late (threshold too high), If action taken is late (threshold too high), control will take longercontrol will take longer
MONITORING TECHNIQUESMONITORING TECHNIQUES
SamplingSampling: Flotation : Flotation Flood area to float Flood area to float Chinch bugsChinch bugs to the to the
surfacesurface
MONITORING TECHNIQUESMONITORING TECHNIQUES
Sampling: Sampling: Irritants Irritants Caterpillars and mole cricketsCaterpillars and mole crickets
Disclosing solution or flushing Disclosing solution or flushing 1 oz dish soap / gal water1 oz dish soap / gal water
MONITORING TECHNIQUESMONITORING TECHNIQUES
Sampling: Sampling: Soil samplingSoil sampling GrubsGrubs
Cut 1 square foot 2” deepCut 1 square foot 2” deep Count the grubsCount the grubs Threshold depends on species and stressThreshold depends on species and stress
MONITORING TECHNIQUESMONITORING TECHNIQUES
Sticky trapsSticky traps Yellow sticky cardsYellow sticky cards
Whiteflies and thrips (greenhouse)Whiteflies and thrips (greenhouse)
Hang near top of plant canopyHang near top of plant canopy Examine weekly for presenceExamine weekly for presence Sticky TapeSticky Tape
ScaleScale
Wrap around branch to estimate hatchingWrap around branch to estimate hatching
Yellow Sticky CardsYellow Sticky Cards
Yellow Sticky CardsYellow Sticky Cards
Blue Sticky CardsBlue Sticky Cards
Yellow Sticky TapeYellow Sticky Tape
MONITORING TECHNIQUESMONITORING TECHNIQUES
Tree BandingTree Banding Adults lay eggs under band Non-toxic sticky substance
traps adults and hatching eggs
Cankerworm control and monitoring
http://treebanding.com/http://treebanding.com/index.phpindex.php
http://www.treebands.com/http://www.treebands.com/
MONITORING TECHNIQUESMONITORING TECHNIQUES
Branch beatingBranch beating Shake or beat branch into net or over Shake or beat branch into net or over
sheet to dislodge insectssheet to dislodge insects
Branch BeatingBranch Beating
MONITORING TECHNIQUESMONITORING TECHNIQUES
Pheromone trapsPheromone traps Gypsy moth, Mediterranean Fruit Fly…Gypsy moth, Mediterranean Fruit Fly…
Chemical communication between Chemical communication between insectsinsects
Mating, danger, food…Mating, danger, food… Human pheromones?Human pheromones?
MONITORING TECHNIQUESMONITORING TECHNIQUES
Pheromone trapsPheromone traps Pheromone traps used to lure adultsPheromone traps used to lure adults Determine presence, mating or egg Determine presence, mating or egg
laying laying Estimate hatchingEstimate hatching
Not effective to determine population or Not effective to determine population or controlcontrol
Pheromone TrapPheromone Trap
Pheromone TrapPheromone Trap
Pheromone TrapPheromone Trap
Pheromone TrapPheromone Trap
MONITORING TECHNIQUESMONITORING TECHNIQUES
Frass collectionFrass collection Gypsy mothGypsy moth
Inspecting fecal pellets at base of treeInspecting fecal pellets at base of tree Size and amountSize and amount
Collect with cups or sticky cardsCollect with cups or sticky cards
MONITORING TECHNIQUESMONITORING TECHNIQUES
Pitfall TrapsPitfall Traps Funnel in ground to catch crawling Funnel in ground to catch crawling
insects insects
MONITORING TECHNIQUESMONITORING TECHNIQUES
Degree daysDegree days Predict growth stage or presencePredict growth stage or presence Growth rate of insects is closely related Growth rate of insects is closely related
to temperatureto temperature Higher the temp, the faster the rateHigher the temp, the faster the rate Indicates when insect is most Indicates when insect is most
susceptible to controlsusceptible to control
MONITORING TECHNIQUESMONITORING TECHNIQUES
Degree daysDegree days: amount of accumulated heat : amount of accumulated heat 1 degree day (DD) = 1 degree over threshold 1 degree day (DD) = 1 degree over threshold
temperaturetemperature Lower threshold is the temp when an insect Lower threshold is the temp when an insect
growsgrows Every degree (daily average) over the lower Every degree (daily average) over the lower
threshold = 1 degree day threshold = 1 degree day Subtract the average daily temperature from Subtract the average daily temperature from
the lower threshold to get the number of the lower threshold to get the number of degree daysdegree days
MONITORING TECHNIQUESMONITORING TECHNIQUES
Every pest has a specific:Every pest has a specific: Lower threshold temperature under Lower threshold temperature under
which no development will occurwhich no development will occur Number of degree days needed to Number of degree days needed to
complete life cyclecomplete life cycle
MONITORING TECHNIQUESMONITORING TECHNIQUES
Elm leaf beetleElm leaf beetle 52 F is lower threshold52 F is lower threshold Starting March 1, count DDStarting March 1, count DD 700 DD is the susceptible stage of 700 DD is the susceptible stage of
control control
Illinois: Illinois: http://www.sws.uiuc.edu/warm/pestdata/shttp://www.sws.uiuc.edu/warm/pestdata/sqlchoose1.asp?plc=qlchoose1.asp?plc=
Degree DaysDegree Days
Degree DaysDegree Days
Table 1. Some common insects for which Degree Days may be used in management.Table 1. Some common insects for which Degree Days may be used in management.
InsectInsectThresholdThreshold
TemperatureTemperatureBioFixBioFix DD TargetDD Target Action EventAction Event
Alfalfa weevilAlfalfa weevil 4848 SeveralSeveral See ENT-17See ENT-17
Black cutwormBlack cutworm 5050 Trap CatchTrap Catch 300300 Begin Field ScoutingBegin Field Scouting
Codling mothCodling moth 5050 Trap CatchTrap Catch SeveralSeveral See Entfact-203See Entfact-203
European corn borerEuropean corn borer 5050 Jan 1Jan 1 SeveralSeveral See Entfact-106See Entfact-106
San Jose scaleSan Jose scale 5151 Trap CatchTrap Catch SeveralSeveral See Entfact-204See Entfact-204
Western corn rootworm Western corn rootworm 5252 Jan 1 Jan 1 380380 Egg hatchEgg hatch