5.0 Aquatic and Mosquito (Part 4 of 4) Exam Questions with 100% Correct Answers | Verified | Latest Update

5.0 Aquatic and Mosquito (Part 4 of 4) Exam
Questions with 100% Correct Answers |
Verified | Latest Update

NameTtheTprimaryTgoalTofTpestTmanagementT-TCorrectTAnswer-
TheTprimaryTgoalTofTaTpestTmanagementTprogramTisTtoTkeepTtheTpestT
populationTfromTexceedingTaTtolerableTlevel.


ListTsomeTofTtheTkeyTideasTandTgoalsTofTIntegratedTPestTManagement.T
-TCorrectTAnswer-
IntegratedTPestTManagementT(IPM)TisTaTcoordinatedTandTsystematicTa
pproachTtoTpestTcontrol.TItTisTaTsystemTwhereTyouTtryTtoTcontrolTpestsT
withTallTavailableTandTpracticalTtechniquesTandTrarelyTreliesTonTaTsingle
TmanagementTtactic.TSite-

specificTrecommendationsTthatTrelyTonTpreventiveTtacticsTactTasTaTfirstT
lineTofTdefense.
YouTmayTwantTtoTestablishTaTsetTofTguidelinesTforTwhenTcontrolTisTnee
dedTinTtheTdifferentTsituationsTyouTareTlikelyTtoTface.TForTexample,TtheT
acceptableTlevelsTandTtypesTofTweedsTandTinsectsTwillTlikelyTbeTdiffere
ntTinTdifferentTplacesT(anToften-
usedTpark,TlakeTorTbackTyardTcomparedTtoTplacesTlittleTused,TforTexam
ple).TByTdevelopingTaTroughTideaTofTwhenTcontrolTisTnecessaryT(i.e.,TanT
actionTthreshold)TinTdifferentTsituations,TyouTcanTbeginTtoTformulateTp
estTmanagementTplansTforTeachTsituation.TEachTplanTshouldTincludeTaT
goalTasTwellTasTallTappropriateTcontrolTmethodsT(discussedTlater)TtoTm
eetTthatTgoal.

,InTanTIPMTsystem,TyouTuseTaTwideTrangeTofTpestTcontrolTmethodsT(e.g.,
Tcultural,Tbiological,Tmechanical,TandTchemical)TorTtacticsTsuchTasTsanit

ationTandTexclusion.TTheTgoalTofTthisTstrategyTisTtoTpreventTpestsTfromT
reachingTdamagingTlevelsTwithTtheTleastTriskTtoTtheTenvironment.


ListTsomeTofTtheTbenefitsTofTIPM.T-TCorrectTAnswer-
1:TIPMThelpsTpreserveTaTbalancedTecosystem
EveryTecosystem,TmadeTupTofTlivingTthingsTandTtheirTnonlivingTenviron
ment,ThasTaTbalance:TtheTactionsTofToneTkindTofTorganismTusuallyTaffec
tTotherTspecies.TIntroducingTchemicalsTintoTtheTecosystemTcanTchangeT
thisTbalance,TdestroyingTcertainTspeciesTandTallowingTotherTspeciesT(so
metimesTotherTpests)TtoTdominate.TUnfortunately,TpesticidesTcanTkillT
beneficialTinsectsTthatTconsumeTpests,TleavingTfewTnaturalTpestTcontro
lTmechanisms.


2:TPesticidesTcanTbeTineffective
ChemicalTpesticidesTdoTnotTalwaysTwork.TAsTweTdiscussTinTtheTchapter,
T"Resistance,"TmanyTpestsThaveTdevel-

TopedTaTresistanceTtoTpesticides.TFurthermore,TpestsTmayTsurviveTifTth

eTchemicalTdoesTnotTreachTthem,TisTwashedToff,TorTisTappliedTimproper
ly.


3:TIPMTcanTsaveTmoney
ATgoodTIPMTprogramTcanTpreventTlossTofTwantedTplantsTandTlandscape
TorTstructuralTdamageTcausedTbyTpests.TIPMTmayTalsoTavoidTtheTcostTof

TpurchasingTunnecessaryTpesticides.

,4:TIPMTpromotesTaThealthyTenvironment
UsingTIPMTstrategiesThelpsTreduceTenvironmentalTimpact.TUsingTfewer
TpesticidesTlowersTtheTriskTthatTpersistentTchemicalsTmayTharmTlivingTc

reaturesTandTcontaminateTgroundwater.TItTalsoTlessensTtheTneedTtoTdi
sposeTofTcontainersTandTunusedTpesticides.


5:TIPMThelpsTmaintainTaTgoodTpublicTimage
IPMTisTaTwell-
knownTstrategyTthatTisTrequestedT(andTsometimesTmandated)TinTmany
TareasTofTsociety—

especiallyTschools.TIPMTisTusedTtoTgrowTfood,TmanageTturfTandTornam
entals,TprotectThomesTandTbusinesses,Tman-
TageTschoolTgrounds,TandTsafeguardTtheThealthTofThumans,Tpets,TandT

wildlife.


DescribeTwhenTinTaTplant'sTlifeTcycleTitTisTbestTtoTapplyTchemicalTcontro
lsTandTwhy.T-TCorrectTAnswer-
TimingTofTtreatmentT(inTrelationTtoTaTplant'sTlifeTcycle)TisTveryTimporta
nt.TInTgeneral,TherbicidesTareTmoreTeffectiveTonTyoung,TvigorouslyTgro
wingTplants.TSuchTplantsTabsorbTwaterTandTnutrientsTfasterTtoTmaintai
nTtheirTgrowth.TAsTaTresult,TtheyTabsorbTherbicidesTfaster,Ttoo.TMostTpl
antsTwillTbeTlessTsusceptibleTwhenTtheyTreachTmaturityTandThaveTgoneT
toTseed.


ExplainThowTtoTpreventTsignificantToxygenTdepletionTwhenTusingTaqua
ticTherbicides.T-TCorrectTAnswer-
OneTmoreTadvantageTtoTtreatingTyoungerTplantsTisTtheTreducedTriskTofT

, significantToxygenTdepletion.TInTspringTandTearlyTsummerTwhenTplants
TareTactivelyTgrowing,TtheTwaterTisTcooler—

coolerTwaterTcanTholdTmoreToxygen.TAlsoTthereTwillTbeTlessTdeadTplant
TmaterialTforTdecayTorganismsTtoTfeedTon.TDecayTorganismsT(suchTasTb

acteria)TuseToxygenTasTtheyTbreakTdownTdeadTplantTmaterialTandTcanTs
everelyTdepleteTtheTamountTofToxygenTinTtheTwaterTwhenTthereTisTaTlo
tTofTdeadTplantTmatterTforTthemTtoTconsume.


ListTfactorsTthatTaffectTtheTperformanceTofTaquaticTherbicides.T-
TCorrectTAnswer-

ATvarietyTofTenvironmentalTfactorsTareTimportantTtoTtheTperformanceT
ofTherbicides.TOneTofTtheTmostTcriticalTisTwaterTtemperature.TManyThe
rbicidesTrequireTaTspecificTwaterTtemperatureTtoTbeTeffectiveTonTvario
usTplantTspecies.TTryTnotTtoTapplyTherbicidesTwhenTwaterTtemperature
TisTlessTthanT60°FTbecauseTplantsTwillTbeTlessTactiveTandTmayTnotTtakeT

upTenoughTherbicide.TCheckTtheTlabelTforTtemperatureTinformation.TGr
eenTplantsTneedTsunlightTtoTgrow.TIfTeffectiveTtreatmentTwithTaTparticu
larTherbicideTrequiresTactivelyTgrowingTplants,TadequateTsunlightTmayT
beTcritical.


ExplainTwhyToneTherbicideTapplicationTisTsometimesTnotTenoughTtoTm
anageTnuisanceTaquaticTplants.T-TCorrectTAnswer-
MostTaquaticTherbicidesTareTcontactTproductsT(andTnotTsystemic)TwithT
relativelyTlittleTpersistence.TWhileTthisTisTgoodTbecauseTitTallowsTforTfai
rlyTshort-livedTwaterTuseTrestrictions,TitTalsoTmeansTthatTre-
treatmentTmayTbeTnecessaryTduringTtheTgrowingTseason.TThisTisTbecau
seTtheTherbicidesTwillTnotTpreventTseedsTfromTgerminatingTorTperennia
lTplantsTfromTreproducingTvegetatively.