?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Importance+of+Collection+Overhangs+on+the+Efficacy+of+Exclusion+Fences+for+Managing+Cabbage+Flies+(Diptera%3A+Anthomyiidae)&rft.creator=Bomford%2C+Michael+K.&rft.creator=Vernon%2C+Robert+S.&rft.creator=P%C3%83%C2%A4ts%2C+Peeter&rft.subject=Crop+health%2C+quality%2C+protection&rft.description=Fine+nylon+mesh+fences+(135+cm+high)+with+varying+lengths+of+downward-sloping+collection+overhangs+were+evaluated+for+efficacy+in+excluding+the+female+cabbage+flies+Delia+radicum+(L.)+from+plots+of+radish%2C+Raphanus+sativus+(L.).+During+three+trials+conducted+in+1994+and+1995%2C+fences+without+overhangs%2C+fences+with+12.5-cm+overhangs%2C+or+fences+with+50-cm+overhangs+were+tested+against+fences+with+standard+25-cm+overhangs+and+unfenced+control+plots.+In+fenced+plots+with+standard+25-cm+overhangs%2C+the+mean+number+of+D.+radicum+females+caught+on+yellow+sticky+traps+placed+within+plots+was+85%25+less+than+those+caught+in+corresponding+control+plots.+The+mean+numbers+of+D.+radicum+females+caught+in+fenced+enclosures+with+no+overhangs%2C+12.5-cm+overhangs%2C+or+50-cm+overhangs%2C+were+61%2C+67%2C+and+94%25+less+than+those+caught+in+corresponding+control+plots%2C+respectively.+The+mean+proportion+of+radishes+damaged+by+D.+radicum+larvae+inside+enclosures+with+25-cm+overhangs+was+62%25+less+than+in+corresponding+control+plots.+The+mean+proportions+of+radishes+damaged+inside+fences+with+no+overhangs%2C+12.5-cm+overhangs%2C+or+50-cm+overhangs+were+33%2C+59%2C+and+81%25+less+than+those+caught+in+corresponding+control+plots%2C+respectively.+Results+are+discussed+in+terms+of+defining+an+appropriate+fence+design+for+commercial+use.+&rft.publisher=Entomological+Society+of+America&rft.date=2000-08&rft.type=Journal+paper&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Forgprints.org%2F13318%2F1%2F13318.pdf&rft.identifier=Bomford%2C+Michael+K.%3B+Vernon%2C+Robert+S.+and+P%C3%83%C2%A4ts%2C+Peeter+(2000)+Importance+of+Collection+Overhangs+on+the+Efficacy+of+Exclusion+Fences+for+Managing+Cabbage+Flies+(Diptera%3A+Anthomyiidae).+Environmental+Entomology%2C+29+(4)%2C+pp.+795-799.&rft.relation=http%3A%2F%2Forgprints.org%2F13318%2F