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dc.contributor.authorCripps, M.en
dc.contributor.authorNavukula, J.en
dc.contributor.authorKaltenbach, B.en
dc.contributor.authorvan Koten, C.en
dc.contributor.authorCasonato, Seonaen
dc.contributor.authorGourlay, H.en
dc.date.accessioned2021-02-23T01:32:53Z
dc.date.available2020-10-27en
dc.date.issued2020-01-27en
dc.identifier.issn1175-9003en
dc.identifier.urihttps://hdl.handle.net/10182/13436
dc.description.abstractThe gall fly, Urophora stylata, was released in New Zealand in 1998 as a biocontrol agent against the thistle weed, Cirsium vulgare (Scotch thistle). In the summer of 2018, a survey was conducted to assess the field host range of the biocontrol agent in New Zealand. A random selection of 18 pasture populations under sheep and/or beef production, where C. vulgare was present, was surveyed to quantify the attack intensity (gall size relative to seedhead size) on C. vulgare, and the attack rate on other thistle weeds within the same population. At each location, seedheads were collected from C. vulgare and all other thistle species (Cardueae) present, which included Cirsium arvense (Californian thistle), Cirsium palustre (marsh thistle), Carduus nutans (nodding thistle), and an Arctium species (burdock). In addition to Cirsium vulgare, the gall fly was recorded on C. arvense (six locations) and C. palustre (one location). The probability of attack on C. arvense was positively correlated with attack intensity on C. vulgare, suggesting that attack on C. arvense is a spill-over effect' occurring where seedheads of C. vulgare are in limited supply.en
dc.format.extent24-32en
dc.language.isoenen
dc.publisherNew Zealand Plant Protection Society (Inc.)en
dc.relationThe original publication is available from - New Zealand Plant Protection Society (Inc.) - https://doi.org/10.30843/nzpp.2020.73.11718en
dc.relation.urihttps://doi.org/10.30843/nzpp.2020.73.11718en
dc.rights© 2020 New Zealand Plant Protection Society (Inc.). All rights reserved.en
dc.subjecthost rangeen
dc.subjecthost specificityen
dc.subjectnon-target attacken
dc.titleSpill-over attack by the gall fly, Urophora stylata, on congeners of its target weed, Cirsium vulgareen
dc.typeJournal Article
lu.contributor.unitLincoln Universityen
lu.contributor.unitFaculty of Agriculture and Life Sciencesen
lu.contributor.unitDepartment of Pest Management and Conservationen
dc.identifier.doi10.30843/nzpp.2020.73.11718en
dc.subject.anzsrc070308 Crop and Pasture Protection (Pests, Diseases and Weeds)en
dc.subject.anzsrc0701 Agriculture, Land and Farm Managementen
dc.subject.anzsrc07 Agricultural and Veterinary Sciencesen
dc.relation.isPartOfNew Zealand Plant Protectionen
pubs.notesDate of acceptance: 19 Sep 2020en
pubs.organisational-group/LU
pubs.organisational-group/LU/Agriculture and Life Sciences
pubs.organisational-group/LU/Agriculture and Life Sciences/ECOL
pubs.organisational-group/LU/Research Management Office
pubs.organisational-group/LU/Research Management Office/PE20
pubs.organisational-group/LU/Research Management Office/QE18
pubs.publication-statusPublisheden
pubs.volume73en
dc.identifier.eissn1179-352Xen
lu.identifier.orcid0000-0001-5057-7949


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