2010
DOI: 10.4025/actascibiolsci.v32i3.6795
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Ecotoxicity of glyphosate and aterbane br surfactant on guaru (Phalloceros caudimaculatus)

Abstract: Aquatic macrophytes are important components of aquatic ecosystems, but these plants have become a problem due to their occurrence in different regions. Some studies aimed to demonstrate the effectiveness of herbicides to control these macrophytes; however, few studies report the possible ecotoxicological effects. The objective of this study was to estimate the acute toxicity (LC (I)50;96h) and assess water quality variables for glyphosate in the Rodeo ® formulation, Aterbane ® BR surfactant and mixtures of gl… Show more

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Cited by 8 publications
(6 citation statements)
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“…[3] Diquat toxicity was similar to Rodeo's, which is practically non toxic for P. caudimaculatus (LC50;96 h > 975 mg L ¡1 ). [41] The most sensitive organism to Copper oxychloride was L. minor (LC50;7 d D 0.01 mg L ¡1 ; 0.02-0.01 mg L ¡1 ), and the less sensitive organism was H. eques (LC50;48 h D 5.14 mg L ¡1 ; 8.38-3.15 mg L ¡1 ). The sensitivity sequence of the organisms to CuCl 2 .3Cu(OH) 2 was as follows: L. minor > A. caroliniana > P. canaliculata > H. eques ( Table 1).…”
Section: Control Efficacy For the Unicellular Algae Ankistrodesmus Grmentioning
confidence: 98%
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“…[3] Diquat toxicity was similar to Rodeo's, which is practically non toxic for P. caudimaculatus (LC50;96 h > 975 mg L ¡1 ). [41] The most sensitive organism to Copper oxychloride was L. minor (LC50;7 d D 0.01 mg L ¡1 ; 0.02-0.01 mg L ¡1 ), and the less sensitive organism was H. eques (LC50;48 h D 5.14 mg L ¡1 ; 8.38-3.15 mg L ¡1 ). The sensitivity sequence of the organisms to CuCl 2 .3Cu(OH) 2 was as follows: L. minor > A. caroliniana > P. canaliculata > H. eques ( Table 1).…”
Section: Control Efficacy For the Unicellular Algae Ankistrodesmus Grmentioning
confidence: 98%
“…These associations were classified as practically non-toxic (LC50;96 h > 975 mg L ¡1 ) to the fish P. caudimaculatus. [41] No variations occurred in temperature, dissolved oxygen and water pH. However, the electrical conductivity has varied.…”
Section: Control Efficacy For the Unicellular Algae Ankistrodesmus Grmentioning
confidence: 99%
“…The fish mortality at different concentrations of glyphosate on fish is presented in Table 2 (Bawa et al, 2017;Shiogiri et al, 2012Shiogiri et al, , 2010Nwani et al, 2010;Lushchak et al, 2009;Langiano andMartinez, 2008 andAyoola, 2008). In the present study, no adverse behavioural changes or any mortality were recorded in the control fish throughout the period of the experiment.…”
Section: Resultsmentioning
confidence: 99%
“…Um dos problemas da utilização de herbicidas para controlar macrófitas é o efeito na qualidade da água. Os grupos de herbicidas agem de forma diferente, especificamente na água, variando de acordo com a sua composição molecular (SHIOGIRI et al, 2010). O glifosato pode se translocar e acumular nas regiões de meristema, incluindo raízes e nódulos, e o que se acumula nas raízes de plantas suscetíveis é eventualmente liberado na rizosfera (MEANS; KREMER; RAMSIER, 2007).…”
Section: Introductionunclassified