?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Biologische+Regulierung+der+Ackerkratzdistel&rft.subject=+Weed+management&rft.description=State+of+the+Art%3A%0D%0AActually+no+biocontrol+method+is+known+for+the+creeping+thistle+Cirsium+arvense+(L.)+Scop.%0D%0ADefinition+of+the+problem%3A%0D%0ACreeping+thistle+Cirsium+arvense+(L.)+Scop.+is+considered+as+one+of+the+world%C3%A2%C2%80%C2%99s+worst+weeds.+It+has+become+increasingly+problematic+in+ecological+compensation+areas+where+conventional+control+measures+are+restricted.+Thus%2C+biological+or+integrated+control%2C+exploiting+both+plant+competition+and+herbivory+by+specialized+native+insects+or+plant+pathogens%2C+may+be+an+inexpensive+and+sustainable+alternative+control+measure.%0D%0AProject+aims%3A%0D%0ABiocontrol+of+the+creeping+thistle+as+a+possible+control+method+for+organic+agriculture%0D%0AMethodology%3A%0D%0A-test+the+potential+of+native+phytophagous+insects%0D%0A-test+the+potential+of+plant+pathogens%0D%0A-test+the+tri-trophic+interaction+between+plant%2C+pest+and+pathogen+and+its+use+for+biocontrol%0D%0A&rft.type=Project+description&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Forgprints.org%2F5708%2F1%2Ffibl-projekt-entomologie-biocontrol-ackerkratzdistel.pdf&rft.identifier=%7BProject%7D+Biologische+Regulierung+der+Ackerkratzdistel.+[Biocontrol+of+the+creeping+thistle.]+Runs+2003+-+2005.+Project+Leader(s)%3A+Wyss%2C+Eric%2C+Research+Institute+of+Organic+Agriculture+(FiBL)%2C+CH-5070+Frick.+More+information+online+at+%3Chttp%3A%2F%2Fwww.zoology.unibe.ch%2Fecol%2Fbacher%2Fnativebc.htm+%3Chttp%3A%2F%2Fwww.zoology.unibe.ch%2Fecol%2Fbacher%2Fnativebc.htm%3E%3E.&rft.relation=http%3A%2F%2Forgprints.org%2F5708%2F