Toxicity of chlorine and three nonoxidizing molluscicides to the pest mussel limnoperna fortunei

The freshwater Asiatic mussel Limnoperna fortunei invaded the Paraná-Uruguay river system in Argentina around 1990. Since then, the pest mussel has spread extensively and is now a major nuisance for many industrial and domiciliary water supply systems. This research exposed L fortunei adults to chlo...

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Autores principales: Cataldo, D., Boltovskoy, D., Pose, M.
Formato: JOUR
Materias:
Limnoperna fortunei
Molluscicides
Chlorine
Pesticides
Thermal effects
Water supply systems
Toxicity
Mollusca
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_0003150X_v95_n1_p66_Cataldo
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_0003150X_v95_n1_p66_Cataldo
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spelling todo:paper_0003150X_v95_n1_p66_Cataldo2023-10-03T13:55:37Z Toxicity of chlorine and three nonoxidizing molluscicides to the pest mussel limnoperna fortunei Cataldo, D. Boltovskoy, D. Pose, M. Limnoperna fortunei Molluscicides Chlorine Pesticides Thermal effects Water supply systems Toxicity Mollusca The freshwater Asiatic mussel Limnoperna fortunei invaded the Paraná-Uruguay river system in Argentina around 1990. Since then, the pest mussel has spread extensively and is now a major nuisance for many industrial and domiciliary water supply systems. This research exposed L fortunei adults to chlorine and three nonoxidizing commercial molluscicides for varying amounts of time at concentrations between 0.25 and 100 mg/L at 15, 20, and 25°C. At 25°C, chlorine was effective at all concentrations (1-100 mg/L) yielding 100% mortalities in 11-17 days. At 15 and 20°C, only concentrations a ≥5 mg/L resulted in total kills after three to six weeks of exposure. The first molluscicide had little effect at 1 mg/L at all temperatures, but 2.5 mg/L of the molluscicide at 20 and 25°C attained 80-90% mortalities on the third day of postexposure. At 15°C, the second molluscicide failed to kill 100% of the mussels exposed at all concentrations tested. At 20°C, only doses < 10 mg/L eliminated all the mollusks, but at 25°C, all concentrations of the molluscicide down to 2.5 mg/L were 100% effective in one week or less. The third molluscicide proved to be the most toxic of the compounds tested, yielding > 50% mortalities at all temperatures at ≥ 1 mg/L At higher temperatures, toxicity was substantially enhanced for all toxicants, especially chlorine. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_0003150X_v95_n1_p66_Cataldo
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Limnoperna fortunei
Molluscicides
Chlorine
Pesticides
Thermal effects
Water supply systems
Toxicity
Mollusca
spellingShingle Limnoperna fortunei
Molluscicides
Chlorine
Pesticides
Thermal effects
Water supply systems
Toxicity
Mollusca
Cataldo, D.
Boltovskoy, D.
Pose, M.
Toxicity of chlorine and three nonoxidizing molluscicides to the pest mussel limnoperna fortunei
topic_facet Limnoperna fortunei
Molluscicides
Chlorine
Pesticides
Thermal effects
Water supply systems
Toxicity
Mollusca
description The freshwater Asiatic mussel Limnoperna fortunei invaded the Paraná-Uruguay river system in Argentina around 1990. Since then, the pest mussel has spread extensively and is now a major nuisance for many industrial and domiciliary water supply systems. This research exposed L fortunei adults to chlorine and three nonoxidizing commercial molluscicides for varying amounts of time at concentrations between 0.25 and 100 mg/L at 15, 20, and 25°C. At 25°C, chlorine was effective at all concentrations (1-100 mg/L) yielding 100% mortalities in 11-17 days. At 15 and 20°C, only concentrations a ≥5 mg/L resulted in total kills after three to six weeks of exposure. The first molluscicide had little effect at 1 mg/L at all temperatures, but 2.5 mg/L of the molluscicide at 20 and 25°C attained 80-90% mortalities on the third day of postexposure. At 15°C, the second molluscicide failed to kill 100% of the mussels exposed at all concentrations tested. At 20°C, only doses < 10 mg/L eliminated all the mollusks, but at 25°C, all concentrations of the molluscicide down to 2.5 mg/L were 100% effective in one week or less. The third molluscicide proved to be the most toxic of the compounds tested, yielding > 50% mortalities at all temperatures at ≥ 1 mg/L At higher temperatures, toxicity was substantially enhanced for all toxicants, especially chlorine.
format JOUR
author Cataldo, D.
Boltovskoy, D.
Pose, M.
author_facet Cataldo, D.
Boltovskoy, D.
Pose, M.
author_sort Cataldo, D.
title Toxicity of chlorine and three nonoxidizing molluscicides to the pest mussel limnoperna fortunei
title_short Toxicity of chlorine and three nonoxidizing molluscicides to the pest mussel limnoperna fortunei
title_full Toxicity of chlorine and three nonoxidizing molluscicides to the pest mussel limnoperna fortunei
title_fullStr Toxicity of chlorine and three nonoxidizing molluscicides to the pest mussel limnoperna fortunei
title_full_unstemmed Toxicity of chlorine and three nonoxidizing molluscicides to the pest mussel limnoperna fortunei
title_sort toxicity of chlorine and three nonoxidizing molluscicides to the pest mussel limnoperna fortunei
url http://hdl.handle.net/20.500.12110/paper_0003150X_v95_n1_p66_Cataldo
work_keys_str_mv AT cataldod toxicityofchlorineandthreenonoxidizingmolluscicidestothepestmussellimnopernafortunei
AT boltovskoyd toxicityofchlorineandthreenonoxidizingmolluscicidestothepestmussellimnopernafortunei
AT posem toxicityofchlorineandthreenonoxidizingmolluscicidestothepestmussellimnopernafortunei
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