About: Horseweed with reduced susceptibility to glyphosate found in the Czech Republic

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Plants of horseweed (Conyza canadensis) apparently resistant (R) to glyphosate were found at railway station in the Czech Republic. To compare, plants expected to be susceptible (S) were collected in areas where no herbicides had been used. Plants of both sets were treated at the rosette stage with glyphosate at the recommended dose. S plants died, while leaves of R plants remained green and new leaves were grown a few weeks after glyphosate application. There were differences in the accumulation of shikimate between S and R plants 3-10 days after treatment, it decreased more than 4-fold in R plants, while in S plants increased 3-fold. A conserved region of the epsps gene, in which mutations are known to confer resistance, was amplified from both S and R plants and sequenced, but no changes in the encoded amino acid sequence were found. Our results suggest that the reduced susceptibility to glyphosate may be due to impaired herbicide translocation. Plants of horseweed (Conyza canadensis) apparently resistant (R) to glyphosate were found at railway station in the Czech Republic. To compare, plants expected to be susceptible (S) were collected in areas where no herbicides had been used. Plants of both sets were treated at the rosette stage with glyphosate at the recommended dose. S plants died, while leaves of R plants remained green and new leaves were grown a few weeks after glyphosate application. There were differences in the accumulation of shikimate between S and R plants 3-10 days after treatment, it decreased more than 4-fold in R plants, while in S plants increased 3-fold. A conserved region of the epsps gene, in which mutations are known to confer resistance, was amplified from both S and R plants and sequenced, but no changes in the encoded amino acid sequence were found. Our results suggest that the reduced susceptibility to glyphosate may be due to impaired herbicide translocation. (en)
Title	Horseweed with reduced susceptibility to glyphosate found in the Czech Republic Horseweed with reduced susceptibility to glyphosate found in the Czech Republic (en)
skos:prefLabel	Horseweed with reduced susceptibility to glyphosate found in the Czech Republic Horseweed with reduced susceptibility to glyphosate found in the Czech Republic (en)
skos:notation	RIV/00027006:_____/09:00000716!RIV10-MZE-00027006
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z50380511), Z(MZE0002700603)
http://linked.open...iv/cisloPeriodika	15
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Salava, Jaroslav Chodová, Daniela
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Výzkumný ústav rostlinné výroby, v.v.i.
http://linked.open...dnocenehoVysledku	317788
http://linked.open...ai/riv/idVysledku	RIV/00027006:_____/09:00000716
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Conyza canadensis; 5-enolpyruvylshikimate-3-phosphate synthase; epsps gene; glyphosate-IPA; susceptibility; shikimate variability (en)
http://linked.open.../riv/klicoveSlovo	susceptibility Conyza canadensis 5-enolpyruvylshikimate-3-phosphate synthase epsps gene glyphosate-IPA shikimate variability
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[5213BF7D308D]
http://linked.open...i/riv/nazevZdroje	Journal of Agricultural and Food Chemistry
http://linked.open...in/vavai/riv/obor	GF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	57
http://linked.open...iv/tvurceVysledku	Martincová, O. Salava, Jaroslav Chodová, Daniela Cvikrová, M.
http://linked.open...ain/vavai/riv/wos	000268537300065
http://linked.open...n/vavai/riv/zamer	Mechanismy regulace růstu a vývoje rostlin na úrovni buněk, orgánů a celých organismů: fyziologické, genetické a molekulárně biologické základy Environment friendly systems of plant and stored product protection against harmful organisms aimed at quality and health safety plant products
issn	0021-8561
number of pages	5 (xsd:int)

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