Multiple resistance to EPSPS and ALS inhibitors in Palmer amaranth (Amaranthus palmeri) identified in Turkey

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dc.authoridPala, Firat/0000-0002-4394-8841
dc.authoridKaya Altop, Emine/0000-0002-0987-9352
dc.contributor.authorKaya-Altop, Emine
dc.contributor.authorJabran, Khawar
dc.contributor.authorPala, Firat
dc.contributor.authorMennan, Husrev
dc.date.accessioned2024-12-24T19:29:37Z
dc.date.available2024-12-24T19:29:37Z
dc.date.issued2024
dc.departmentSiirt Üniversitesi
dc.description.abstractAmaranthus palmeri was first reported in Turkey in 2016, and an immediate heavy infestation of the weed was found in fruit orchards and summer crops such as maize, cotton, and sunflower. There have been farmers' complaints about the ineffective control of Palmer amaranth through the use of glyphosate and some sulfonylureas herbicides. Hence, this study aimed to determine the possible herbicide resistance evolution in Palmer amaranth against glyphosate and acetolactate synthase (ALS) herbicides. Seeds of 21 Palmer amaranth populations were collected from five provinces of Turkey where control problems with glyphosate and ALS inhibitors were reported in maize fields. Seeds of certain biotypes categorized as resistant or susceptible were grown to obtain the F-2 generation. A single-dose experiment determined the possible resistance to ALS inhibitors and glyphosate among the 21 populations. Of this, 18 populations were included in the subsequent dose-response experiments due to evident survival. Based on ED50 values from the dose-response experiment, SNU-04 and ADN-21 biotypes had the highest resistance index for glyphosate which was more than 7. The biotypes ADN-21, OSM-15, and DIR-09 recorded the highest ED50 value with a resistance index of 9.21-10.35 after nicosulfuron application. Whereas, the biotypes SNU-04, OSM-15, and ADN-21 were with the highest ED50 value and resistance index of 6.41-7.44, after the application of foramsulfuron + iodosulfuron methyl-sodium. The increase in genomic 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS) copy number has been observed in suspected cases that have been accepted as the molecular basis for the development of resistance against glyphosate. The sequence alignment results for the ALS gene contained Ala122Val and Pro197Arg mutations related to target-site resistance against ALS herbicides.
dc.description.sponsorshipTurkiye Bilimsel ve Teknolojik Arastirma Kurumu [TOVAG 1230021]
dc.description.sponsorshipTurkiye Bilimsel ve Teknolojik Arastirma Kurumu, Grant/Award Number: TOVAG 1230021
dc.identifier.doi10.1111/wre.12618
dc.identifier.issn0043-1737
dc.identifier.issn1365-3180
dc.identifier.scopus2-s2.0-85187192913
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1111/wre.12618
dc.identifier.urihttps://hdl.handle.net/20.500.12604/7171
dc.identifier.wosWOS:001180768400001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofWeed Research
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241222
dc.subjectALS inhibitors
dc.subjectEPSPS inhibitor
dc.subjectPalmer amaranth
dc.subjectTurkey
dc.titleMultiple resistance to EPSPS and ALS inhibitors in Palmer amaranth (Amaranthus palmeri) identified in Turkey
dc.typeArticle

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