?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Kaolinbehandlungen+gegen+Obstsch%C3%83%C2%A4dlinge&rft.subject=Crop+health%2C+quality%2C+protection&rft.description=State+of+the+Art%3A%0D%0AApplication+of+processed+kaolin+particle+film+(Surround%C3%AF%C2%83%C2%92+WP)+repels+insects+without+lethal+effects%3B+hence+side+effects+on+beneficial+arthropods+are+low.+This+type+of+technology+based+on+a+natural+clay+mineral+strictly+fits+with+the+goals+of+organic+pest+management+strategies.+Processed+kaolin+may+be+an+alternative+control+strategy+for+different+orchard+pests.%0D%0ADefinition+of+the+problem%3A%0D%0AMany+severe+pest+insects+in+orchards+(Dysaphis+plantaginea%3B+Cacopsylla+pyri%3B+Anthonomus+pomorum%3B+Hoplocampa+testudinea)+are+controlled+by+foliar+application+of+different+organic+broad-spectrum+pesticides+(Rotenone%2C+Pyrethrum%2C+Neem%2C+Quassia%2C+Spinosad).+Kaolin+shows+promise+as+an+alternative+control+strategy+for+these+pests.%0D%0AProject+aims%3A%0D%0AThe+project+aims+are%3A+%0D%0A(1)+to+confirm+the+repellence+of+kaolin+against+different+insect+groups+%0D%0A(2)+to+test+different+application+regimes+of+kaolin+and+to+find+the+most+effective+application+schedules+%0D%0A(3)+to+compare+the+effectiveness+of+kaolin+with+traditional+control+approaches+in+order+to+develop+an+alternative+control+strategy%0D%0AMethodology%3A%0D%0ASmall-+and+large-plot+field+trials+are+conducted+on+organically+managed+farms.+%0D%0AResults%2C+conclusion%2C+state+of+the+art%3A%0D%0APre-flowering+application+of+kaolin+is+a+promising+and+suitable+method+to+keep+Cacopsylla+pyri+under+its+economic+threshold+for+the+entire+season.+Kaolin+protected+pear+trees+at+least+as+good+as+the+standard+organic+insecticide+rotenone+and+the+common+IPM+control+strategies.%0D%0ARepeated+applications+of+kaolin+in+autumn+significantly+reduced+the+number+of+female+Dysaphis+plantaginea+in+autumn+and%2C+consequently%2C+the+number+of+hatched+fundatrices+in+spring.+Single+kaolin+treatments+were+less+effective.+The+results+show+that+autumn+treatments+with+kaolin+against+the+gynoparae+and+sexuales+of+D.+plantaginea+could+be+a+viable+option.+A+more+detailed+analysis+of+factors+influencing+the+efficacy+of+autumn+treatments+could+help+to+establish+a+new+approach+to+control+D.+plantaginea+after+apple+harvesting+and+during+a+period+when+farmers+workload+is+reduced.%0D%0ANeither+spring+nor+autumn+treatments+of+kaolin+showed+any+reduction+of+the+pear+leaf+blister+mite+Eriophyes+pyri.%0D%0A&rft.type=Project+description&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Forgprints.org%2F5736%2F1%2Ffibl-projekt-entomologie-obstbau-kaolinbehandlungen-obstschaedlinge.pdf&rft.identifier=%7BProject%7D+Kaolin%3A+Kaolinbehandlungen+gegen+Obstsch%C3%83%C2%A4dlinge.+[Kaolin+treatments+against+orchard+pests.]+Runs+2003+-+2006.+Project+Leader(s)%3A+Daniel%2C+Claudia+and+Wyss%2C+Eric.+More+information+online+at+%3Chttp%3A%2F%2Fwww.fibl.org%2Fde%2Fschweiz%2Fforschung%2Fentomologie.html+%3Chttp%3A%2F%2Fwww.fibl.org%2Fde%2Fschweiz%2Fforschung%2Fentomologie.html%3E%3E.&rft.relation=http%3A%2F%2Forgprints.org%2F5736%2F