Tolerance of newly sown cocksfoot-clover pastures to the herbicide imazethapyr

dc.contributor.authorLewis, Teresa
dc.contributor.authorLucas, Richard J.
dc.contributor.authorHofmann, Rainer
dc.contributor.authorMoot, Derrick J.
dc.date.accessioned2018-08-27T23:14:09Z
dc.date.issued2017
dc.description.abstractIn New Zealand, subterranean clover is recommended as a companion legume in mixed swards, particularly in dryland cocksfoot-based pastures. However, establishment of cocksfoot is slower than perennial ryegrass and therefore weed ingress is more common. An experiment at Lincoln University, Canterbury showed imazethapyr applied when clover was at the 3-4 trifoliate leaf stage, and cocksfoot at the 2+ leaf stage, increased the subterranean clover content of the pastures by at least 1000 kg DM/ha, despite initial visual phytotoxicity responses. Balansa and white clover pasture yields were not different to their unsprayed unweeded controls. Imazethapyr application controlled broadleaf weeds from early in the season. The herbicide application reduced cocksfoot yields by 70% in early spring, but yields recovered and were not different to the unsprayed unweeded controls at 1350 ± 260 kg DM/ha after grazing. Imazethapyr application improved subterranean clover pastures through an increase in clover content by suppressing weeds and temporarily reducing the rate of cocksfoot growth.en
dc.format.extent173-180en
dc.identifier.citationLewis, T.R., Lucas, R.J., Hofmann, R.W., & Moot, D.J. (2017). Tolerance of newly sown cocksfoot-clover pastures to the herbicide imazethapyr. Journal of New Zealand Grasslands, 79, 173-180.
dc.identifier.eissn2463-2880en
dc.identifier.issn2463-2872en
dc.identifier.urihttps://hdl.handle.net/10182/10181
dc.language.isoen
dc.publisherNew Zealand Grassland Association
dc.relationThe original publication is available from - New Zealand Grassland Association - https://www.grassland.org.nz/viewpublication.php?pubID=400en
dc.relation.isPartOfJournal of New Zealand Grasslandsen
dc.rights© The Authors & NZGA
dc.subjectsubterranean cloveren
dc.subjectSpinnaker® herbicideen
dc.subjectseedlingen
dc.subjectwhite cloveren
dc.subjectbalansa cloveren
dc.subjectimazethapyren
dc.subject.anzsrcANZSRC::0701 Agriculture, Land and Farm Managementen
dc.subject.anzsrcANZSRC::0703 Crop and Pasture Productionen
dc.subject.anzsrcANZSRC::070308 Crop and Pasture Protection (Pests, Diseases and Weeds)en
dc.titleTolerance of newly sown cocksfoot-clover pastures to the herbicide imazethapyren
dc.typeJournal Article
lu.contributor.unitLincoln University
lu.contributor.unitFaculty of Agriculture and Life Sciences
lu.contributor.unitDepartment of Agricultural Sciences
lu.contributor.unitDepartment of Wine, Food and Molecular Biosciences
lu.identifier.orcid0000-0002-1804-2319
lu.identifier.orcid0000-0002-5691-4915
pubs.publication-statusPublisheden
pubs.publisher-urlhttps://www.grassland.org.nz/viewpublication.php?pubID=400en
pubs.volume79en
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