Effects of application date and rate of foliar-applied glyphosate on pine seedlings in Turkey

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dc.contributor.authorÇap, Mehmet Can
dc.contributor.authorEşen, Derya
dc.date.accessioned2020-05-01T09:11:53Z
dc.date.available2020-05-01T09:11:53Z
dc.date.issued2018
dc.departmentDÜ, Orman Fakültesi, Orman Mühendisliği Bölümüen_US
dc.descriptionWOS: 000428936400003en_US
dc.description.abstractGlyphosate is the herbicide most extensively used for site preparation and conifer release. It is a broad-spectrum herbicide and therefore crop safety is a critical issue. This study assessed the early effects of 14 different treatments, including no weed control, manual weed control, and 12 foliar-applied herbicide treatments at low, intermediate, high, and highest application rates and application timing on glyphosate phytotoxicity of containerized seedlings of Austrian pine (Pinus nigra J.F. Arnold.), Scots pine (P. sylvestris L.) and maritime pine (P. pinaster Aiton), conifer species widely used for afforestation and supplementary plantings in Turkish forestry. In general, Scots pine seedlings were tolerant to glyphosate compared to the other species. Glyphosate phytotoxicity varied significantly according to the time and rate of application. Seedlings were relatively tolerant to glyphosate in April whereas they were intolerant in May. The highest herbicide rate (1.2% v:v) was consistently phytotoxic to all species. Moreover, the effect of herbicide rate on seedling survival and growth varied significantly according to application date (i.e., application rate x date interaction). Seedlings appeared tolerant to glyphosate at low and intermediate rates (0.2, 0.4% v:v) between mid-spring and mid-summer, whereas they demonstrated significant sensitivity to the highest rate across all time periods. Glyphosate at the high rate (0.8% v:v) was particularly more phytotoxic when applied in May. Application of glyphosate at rates up to 0.8% could be recommended for weed control without significant pine damage in mid-spring when the needles presumably have a dense leaf epicuticular wax layer limiting herbicide penetration. Applications of 0.8 and 1.2% v:v are not recommended during May-June.en_US
dc.description.sponsorshipScientific Research Project Coordinator of Duzce University [BAP2015.02.02.303]en_US
dc.description.sponsorshipThis research was funded by the Scientific Research Project Coordinator of Duzce University (Grant number BAP2015.02.02.303).en_US
dc.identifier.doi10.1007/s11676-017-0498-0en_US
dc.identifier.endpage591en_US
dc.identifier.issn1007-662X
dc.identifier.issn1993-0607
dc.identifier.issue3en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage583en_US
dc.identifier.urihttps://doi.org/10.1007/s11676-017-0498-0
dc.identifier.urihttps://hdl.handle.net/20.500.12684/5799
dc.identifier.volume29en_US
dc.identifier.wosWOS:000428936400003en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherNortheast Forestry Univen_US
dc.relation.ispartofJournal Of Forestry Researchen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectApplication date and rateen_US
dc.subjectGlyphosate screeningen_US
dc.subjectPinesen_US
dc.subjectSeedling toleranceen_US
dc.titleEffects of application date and rate of foliar-applied glyphosate on pine seedlings in Turkeyen_US
dc.typeArticleen_US

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