Toxic effects of excess Cu2+and Zn2+on growth and some antioxidant enzymes of tomato (solanum lycopersicum L.)

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dc.contributor.authorBozkurt, Mehmet Ali
dc.contributor.authorŞensoy, Suat
dc.contributor.authorÇelik, İsmail
dc.contributor.authorTürkmen, Önder
dc.contributor.authorBitiktaş, Ayşegül
dc.date.accessioned2020-03-26T18:06:17Z
dc.date.available2020-03-26T18:06:17Z
dc.date.issued2010
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractThe toxic effects of excess Cu2+ and Zn2+ doses on growth of tomato seedlings were studied in a pot experiment with the measurement of fresh and dry biomass of the plants. The toxic effects of both elements were evaluated by measuring copper and zinc accumulations, glutathione S transferase (GST) and superoxide dismutase (SOD) activities in tomato plants. The doses were 0, 150, 300, 450, and 600 mg kg-1 of copper as well as 0, 250, 500, 750 and 1000 mg kg-1 of zinc, and two separate pot experiments were conducted for these metals. The experimental results demonstrated that the excess Cu2+ and Zn2+ applications inhibited the growth of tomato seedlings and diminished their biomasses. The applications increased copper and zinc accumulations in the shoots and roots in comparison to control treatments. The accumulations were markedly higher in the roots than those in the shoots. The excessive Cu2+ amounts caused significant decreases in the GST and SOD activities of the roots. However, the SOD activities in the shoots significantly increased with excessive Cu2+ doses. The excessive Zn2+ applications significantly affected the GST activities in the shoots and the SOD activities in the roots. Both enzyme activities in the roots decreased with excessive Cu2+ and Zn2+ applications. This study shows that GST and SOD activities in tomatoes may be used as sensitive indicators of copper and zinc toxicity. © by PSP.en_US
dc.identifier.endpage1299en_US
dc.identifier.issn1018-4619en_US
dc.identifier.issue7en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage1295en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12395/25671
dc.identifier.volume19en_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.relation.ispartofFresenius Environmental Bulletinen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectCopperen_US
dc.subjectGlutathione-S-transferaseen_US
dc.subjectSuperoxide dismutaseen_US
dc.subjectTomatoen_US
dc.subjectZincen_US
dc.titleToxic effects of excess Cu2+and Zn2+on growth and some antioxidant enzymes of tomato (solanum lycopersicum L.)en_US
dc.typeArticleen_US

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