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Culture & Identification, Ch 8 Part 2 Insects
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Cultivation & Identification, Chapter 8, Insects
Vegetable Pestshttp://science.mccneb.edu/pevans/Image_Data_Base/Default.htm
aphidsarmywormscabbage looperscabbage root maggotColorado potato beetlecorn rootwormcucumber beetle
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Cultivation & Identification, Chapter 8, Insects
AphidsPrevention
floating row coversreduce nitrogenincrease beneficials- lacewings- aphid midges
Controlinsecticidal soapNeemPyrethrum
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Cultivation & Identification, Chapter 8, Insects
ArmywormsPrevention
floating row coversincrease beneficials- parasitic wasps- parasitic flies
Controlhandpickspray BTspray Neem
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Cultivation & Identification, Chapter 8, Insects
Cabbage LooperPrevention
floating row coversincrease beneficials- predatory wasps
Controlhandpickspray BTspray NeemPyrethrinSabadilla
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Cultivation & Identification, Chapter 8, Insects
Cabbage Root MaggotPrevention
alkaline soil½ cup wood ashes/plantparasiticnematodes
Controlstem shields/ tar paperrow coversno compostdestroyinfected plants
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Cultivation & Identification, Chapter 8, Insects
Cabbage Root MaggotPhoto courtesy Dr. Lloyd Dosdall, Alberta Agriculture
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Cultivation & Identification, Chapter 8, Insects
Colorado Potato BeetlePrevention
beneficialnematodesnectar & pollen-rich plants
Controlhandpickrow coversspray BTNeemPyrethrinSabadillaRotenone
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Cultivation & Identification, Chapter 8, Insects
Corn RootwormPrevention
rotate cropsplant in warm soilcultivate deeply
Controlapplyparasitic nematodesto soil
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Cultivation & Identification, Chapter 8, Insects
Cucumber BeetlePrevention
grow resistant cultivars to wilt& mosaicdestroyinfected plantsrotate gourd crops with legumes
Controlrow coversapply parasitic nematodesSabadillaRotenonePyrethrin
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Cultivation & Identification, Chapter 8, Insects
Vegetable PestscutwormEuropean corn borerflea beetlehornwormimported cabbagewormJapanese beetleleafhopper
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Cultivation & Identification, Chapter 8, Insects
CutwormPrevention
plant collarsdrench parasitic nematodes/ 1 week before plantingsoldier beetles helpapply wood ashes
Controlmix BT withmoist bran& molasses,scatter
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Cultivation & Identification, Chapter 8, Insects
European Corn BorerPrevention
rotate cropsdestroyinfected plantsfall clean-upapply parasiticwasps
Controlspray BT on leaves, &tips of earsRyaniaRotenoneSabadilla
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Cultivation & Identification, Chapter 8, Insects
Flea BeetlePrevention
row coverssusceptibleplants grow insome shade
Controldust with diatomaceous earthPyrethrumRotenone
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Cultivation & Identification, Chapter 8, Insects
HornwormPrevention
attract native parasites byplanting pollen& nectar-richflowers
Controlhandpickspray with BT when caterpillars are small
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Cultivation & Identification, Chapter 8, Insects
Imported CabbagewormPrevention
row coversattractivepredatory waspsyellow stickytraps
Controlhandpickspray BT NeemPyrethrinSabadilla
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Cultivation & Identification, Chapter 8, Insects
Imported CabbagewormPhoto courtesy Dr. Lloyd Dosdall, Alberta Agriculture
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Cultivation & Identification, Chapter 8, Insects
Japanese BeetlePrevention
treat lawn w/milky-sporediseasehanging traps
Controlhandpick early amSabadillaPyrethrumRotenone
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Cultivation & Identification, Chapter 8, Insects
LeafhopperPrevention
row coversControl
diatomaceous earthinsecticidal soapPyrethrumRotenone
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Cultivation & Identification, Chapter 8, Insects
Vegetable Pestsleaf minerMexican bean beetlemitesonion maggotpicklewormslugs and snailssquash bug
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Cultivation & Identification, Chapter 8, Insects
Leaf MinerPrevention
row coversremoveinfected leavesattract beneficials- parasitic wasps
Controlpreventionis bestlarvae in leaves; it is too lateNeem for adults
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Cultivation & Identification, Chapter 8, Insects
Mexican Bean BeetlePrevention
destroy yellow eggsrow coversfall clean upspined soldier bugsparasitic waspstrap crop/soybeans
ControlhandpickNeemPyrethrumRotenoneSabadilla
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Cultivation & Identification, Chapter 8, Insects
MitesPrevention
spray plants withwater to discourageattract predators- ladybugs- lacewings
Controlinsecticidal soapsSabadillaPyrethrumRotenone
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Cultivation & Identification, Chapter 8, Insects
Onion MaggotPrevention
row coversdiatomaceous earthfall clean upplant onionsas a trap crop elsewhere
Controlprevention bestwhen eggs are laid in bulb,too late
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Cultivation & Identification, Chapter 8, Insects
PicklewormPrevention
fall clean updeep cultivationearly maturing cultivarssummer squashas trap crop
Controlprevention bestonce enteredthe plants, difficult toremove
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Cultivation & Identification, Chapter 8, Insects
Slugs & SnailsPrevention
trapsgrapefruit rindscabbage leavescopper flashingbeer
Controlwood ashesdiatomaceous earth
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Cultivation & Identification, Chapter 8, Insects
Squash BugPrevention
row coversfall clean upfree of debrisattract beneficialstrellises
ControlhandpickSabadillaPyrethrumRotenone
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Cultivation & Identification, Chapter 8, Insects
Vegetable Pestssquash vine borerstinkbugstarnished plant bugthripswebwormswhiteflywireworm
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Cultivation & Identification, Chapter 8, Insects
Squash Vine BorerPrevention
row covers until blossoms appearwrap stem bases with stockings/ prevent egg laying
Controlslit open infested vines/crush pestsdust base w/ Pyrethrum, Sabadilla, Rotenone
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Cultivation & Identification, Chapter 8, Insects
Stinkbugs stinkbug 2
Preventionfall clean upattract native beneficialsparasitic wasps
ControlhandpickPyrethrumSabadillaRotenone
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Cultivation & Identification, Chapter 8, Insects
Tarnished Plant BugPrevention
fall clean upwhite sticky trapsattract native beneficials
Controlrow coversRotenoneSabadilla
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Cultivation & Identification, Chapter 8, Insects
ThripsPrevention
fall clean upaluminum foil mulchyellow sticky trapsattract lacewings
Controlinsecticidal soapPyrethrumRotenone
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Cultivation & Identification, Chapter 8, Insects
WebwormsPrevention
row coversattract native beneficials
Controlhandpickspray BTPyrethrum
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Cultivation & Identification, Chapter 8, Insects
WhiteflyPrevention
yellow sticky trapsattract beneficialscheck transplants from greenhouse
Controlinsecticidal soapPyrethrumRotenone
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Cultivation & Identification, Chapter 8, Insects
WirewormPrevention
parasitic nematodescultivate soildeeply & oftento exposeto predators
Controltrap w/pieces of potato buried in soilchange every other day
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Cultivation & Identification, Chapter 8, Insects
ConclusionWhen dealing with insect pests:Rule 1 prevention is better
2 cleanliness: most importantritual of the garden
3 daily monitoring4 know what you are treating