Using Nturl Enemies to Control Pests Using Nturl Enemies to Control Pests Conservtion of Nturl Enemies Why plnt flowers in your lndscpe nd grden Alterntive insecticides Using ACORN Alterntive Control Guide to: find iologicl control gents Tips for purchsing nturl enemies (greenhouse only) Conserving Nturl Enemies Provide Food nd Shelter Use selective pesticides Reduce pesticide use (Thresholds etc.) Why Plnt Flowers? To ttrct nturl enemies. To provide shelter/shde. To produce pollen nd nectr. Why plnt flowers? 1
R e s e r c h p l ot Euonymus scle in Indin 2 genertions/ yer Scle smpling coincides with crwler emergence nd estimtes prsitism of the prent genertion C. Sdof Flowering spurge Euonymus Coreopsis Goldenrod White clover E. Reek Density of live femle euonymus scle 10 Men Numer of 8 Live Femle 6 Scles per 4 cm of Stem per Plot 2 ± S.E.M. 0 No Flower Low Flower High Flower Oct. 2000 Apr. 2001 July 2001 Oct. 2001 Mens with the sme letter re not significntly different (Fisher s Protected LSD, p < 0.05). 2
Where cn you lern more out flowers tht ttrct nturl enem ies? Lrv A Encrsi citrin Emergence Hole C B D Adult Pup Photos y E. Reek Nturl enemy undnce in Euonymus fortunei (Sticky Crds 2001) No Flower Low Flower High Flower Men Numer of Nturl Enemies per Plot 30 25 20 15 10 5 ± S.E.M. 0 c My June July August Octoer Mens with the sme letter re not significntly different (Fisher s Protected LSD, p < 0.05). Where cn you lern more out flowers tht ttrct nturl enemies? http://entm29.entm.purdue.edu/corn/cornserch.spx 3
Using ACORN Alterntive Control Guide (ACG) Add wht you need Tips for Purchsing nd Using Nturl Enemies: Identify the pest. Determine which nturl enemy could work. Order from reputle supplier. Check the qulity. Follow directions. Evlute. Did it work? Give the supplier & Extension feedck. Add wht you need Where to purchse the good guys Where to purchse the good guys Using ACORN Alterntive Control Guide Use the ACG to: Identify pest nd their nturl enemies (NE) on your lndscpe nd grden plnts. Find lterntive control tctics you cn try. Pln your vegetle grden. Find flowers to feed nd protect NE in your grden. 4
ACG- Vegetle pge with lists of potentil pests ACG- Serch pge Orgniztion of the Alterntive Control Guide Orgniztion of the Alterntive Control Guide Pest Profile NE List Photo, Nme, Vulnerle Stge of Pest, Effectiveness Alterntive Controls Nturl Enemy Profile Type, Life Stge Attcked Commercilly Aville Food nd Shelter Crop Profile Susceptiility to Insect Pests, Pests, Photo, Active Months, Dmge Description, Genertion/Yer Suppliers of NE Flowering Plnt Profile Scientific Nme, Bloom Time Fmily Source of Stte Specific Informtion 5
ACG- Alterntivecontrols ACG- A pest ACG- A nturl enemy 6
ACG- A flower Some pesticides kill more pests thn nturl enemies Use pesticides tht re comptile with iologicl control: Microils Botnicls Insect growth regultors Others Some pesticides kill more pests thn nturl enemies Microil insecticides Commercilly prepred products tht contin ctive insect -pthogenic microorgnisms Usully specific Microil insecticides C. Sdof 7
Botniclinsecticides Botnicl insecticides Nturlly occurring toxic mterils derived from plnts Usully non-specific, with short residul ctivity C. Sdof 36 DAT 8
Otherinsecticides Discover iologicl control t home Otherinsecticides Other insecticides Oils smother the insects. Nonspecific Insecticidl sops pss through the insect cuticle nd poison it. Nonspecific, ut little residul ctivity. C. Sdof Other insecticides Spinosd kills cterpillrs, lefminers nd thrips. Spres most nturl enemies of spider mites nd phids Kills ees nd wsps Does not kill orers F. Herux Finding nturl enemies in the field Be n insect detective, find NE t home. Need help identifying the NE? Use the ACORN Alterntive Control Guide (ACG): - Picture - Hints out loction (e.g., food nd shelter) 9
ACORN Wesite To contct us: Visit our we site t www.entm.purdue.edu/corn 10