2016
DOI: 10.1007/s00244-016-0321-5
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Getting More Ecologically Relevant Information from Laboratory Tests: Recovery of Lemna minor After Exposure to Herbicides and Their Mixtures

Abstract: Recovery after exposure to herbicides-atrazine, isoproturon, and trifluralin-their binary and ternary mixtures, was studied under laboratory conditions using a slightly adapted standard protocol for Lemna minor. The objectives of the present study were (1) to compare empirical to predicted toxicity of selected herbicide mixtures; (2) to assess L. minor recovery potential after exposure to selected individual herbicides and their mixtures; and (3) to suggest an appropriate recovery potential assessment approach… Show more

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Cited by 11 publications
(9 citation statements)
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“…2, 3). Estimated EC 50 values in continuous exposure scenario based on standard endpoint average growth rate of frond number are comparable to values reported by Teodorović et al (2012), Knežević et al (2016) and Tunić et al (2015). Reduction of biomass, frond number, and growth rates in comparison to the controls indicated that inhibition of photosynthesis occurred at all tested exposure concentrations, but not to the extent that would result in plant death.…”
Section: Discussionsupporting
confidence: 71%
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“…2, 3). Estimated EC 50 values in continuous exposure scenario based on standard endpoint average growth rate of frond number are comparable to values reported by Teodorović et al (2012), Knežević et al (2016) and Tunić et al (2015). Reduction of biomass, frond number, and growth rates in comparison to the controls indicated that inhibition of photosynthesis occurred at all tested exposure concentrations, but not to the extent that would result in plant death.…”
Section: Discussionsupporting
confidence: 71%
“…For continuous toxicity test, plants were treated with 50, 100, 150, and 200 µg L −1 of isoproturon in the nutrient solution. To provide live and growing population during the whole test, selected herbicide levels included a range of concentrations lower than the reported 7-day EC 50 value for common duckweed reported in the literature (Knežević et al (2016): EC 50 = 220 µg L −1 and Tunić et al (2015): EC 50 = 230 µg L −1 ). Duckweed plants were exposed to isoproturon at 8 different intended peak concentrations (ranging from 116.65 to 700 µg L −1 ) for the pulse exposure scenarios (Supplementary Table 1).…”
Section: Experimental Design For Repeated Exposurementioning
confidence: 99%
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“…This indirect impact on other species results from direct impact on plants, which mostly occurs in surface waters after deliberate use in order to control unwanted plant species in surface waters (Solomon et al, 2014). Adverse effects of herbicides on nontarget aquatic primary producers, both algae and plants, have been studied thoroughly (Knauer et al, 2008;Pereira et al, 2009;Dalton et al, 2013;Della Vechia et al, 2016;Knežević et al, 2016;Nagai et al, 2016;Stevanović et al, 2013Stevanović et al, , 2019Chamsi et al, 2019;Nagai, 2019). Arguments in favour of significant differences in sensitivity between flotant and rooted species have led to an extension of risk assessment framework for herbicides.…”
Section: Herbicide Effects On Aquatic Organismsmentioning
confidence: 99%