Effect of clodinafop-propargyl compound against land snail, Helix aspersa: implications for control

Mobarak, Soha A.; El–Abd, Nema; Kandil, Randa A.

doi:10.33687/ijae.009.03.3734

Cited by 3 publications

References 16 publications

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Effect of sublethal concentrations of glyphosate-based herbicides (Roundup Active®) on skin of the tropical frog (Dendropsophus molitor)

López-Flórez,

Ruíz,

Gómez-Ramírez

2023

Environ Sci Pollut Res

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In Colombia, glyphosate (GP) is used to control weeds, with Roundup Active® being the most widely used. This use has affected aquatic ecosystems, causing malformations in amphibians. The Savannah frog (D. molitor) is a tropical frog inhabiting the mountain of Colombia. In the present study, we determined the effect of sublethal concentrations of GP (Roundup Active®) on the skin of D. molitor. Twenty-four tadpoles were exposed to concentrations of GP (T1: 0, T2: 1.4, T3: 3.6, and T4: 5.6 a.e mg/L) during 31 days. In 10 individuals per treatment, two skin regions were evaluated: dorsal cranial and caudal ventral to determine histopathological alterations. Morphometric analysis of the layers of the skin was performed: epidermis, dermis, and hypodermis-muscular. T1 did not present histopathological alterations. Since T2 was identified, glandular cell hyperplasia and hypertrophy increased melanophores and melanin accumulations in the highest concentrations of GP. The ultrastructure revealed an increase in excretory glands in the dermis. In the other layers, an increase of melanophores and melanocyte clusters was observed accompanied by vacuolization of basal cells. The morphometry showed an increase in the thickness of the dermis in the dorso-cranial region in T2 compared to the other treatments, while the ventral caudal region exhibited a variation in the thickness of the dermis from T2 and a decrease in T4. Despite evaluating sublethal concentrations, the skin of D. molitor tadpoles presents histopathological, ultrastructural, and morphometric alterations that could affect the survival of the species in the natural environment.

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Effect of sublethal concentrations of glyphosate-based herbicides (Roundup Active®) on skin of the tropical frog (Dendropsophus molitor)

López-Flórez,

Ruíz,

Gómez-Ramírez

2023

Environ Sci Pollut Res

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Flow injection chemiluminescence determination of lambda-cyhalothrin and clodinafop-propargyl in freshwater samples

Jaffar,

Kakar,

Asghar

et al. 2024

International Journal of Environmental Analytical Chemistry

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Effect of sublethals concentrations of Glyphosate-based herbicides (Roundup Active®) on skin of the tropical frog (Dendropsophus molitor)

López-Flórez

Ruíz

Gómez-Ramírez

2023

Preprint

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In Colombia, glyphosate (GP) is used to control weeds, with Roundup Active® being the most widely used. This use has affected aquatic ecosystems, causing malformations in amphibians. The Savannah frog (D. molitor) is a tropical frog inhabiting the mountain of Colombia. In the present study, we determined the effect of sublethal concentrations of GP (Roundup Active®) on the skin of D. molitor. 24 tadpoles were exposed to concentrations of GP (T1: 0, T2: 1.4, T3: 3.6, and T4: 5.6 a.e mg/L) during 31 days. In 10 individuals per treatment, two skin regions were evaluated: dorsal cranial and caudal ventral to determine histopathological alterations. Morphometric analysis of the layers of the skin was performed: epidermis, dermis, and hypodermis-muscular. T1 did not present histopathological alterations. Since T2 was identified glandular cell hyperplasia and hypertrophy, increased melanophores and melanin accumulations in the highest concentrations of GP. The ultrastructure revealed an increase in excretory glands in the dermis. In the other layers, an increase of melanophores and melanocyte clusters was observed accompanied by vacuolization of basal cells. The morphometry, showed an increase in the thickness of the dermis in the dorso-cranial region in T2 compared to the other treatments, while the ventral caudal region exhibited a variation in the thickness of the dermis from T2 and a decrease in T4. Despite evaluating sublethal concentrations, the skin of D. molitor tadpoles presents histopathological, ultrastructural, and morphometric alterations that could affect the survival of the species in the natural environment.

show abstract

Effect of clodinafop-propargyl compound against land snail, Helix aspersa: implications for control

Cited by 3 publications

References 16 publications

Effect of sublethal concentrations of glyphosate-based herbicides (Roundup Active®) on skin of the tropical frog (Dendropsophus molitor)

Effect of sublethal concentrations of glyphosate-based herbicides (Roundup Active®) on skin of the tropical frog (Dendropsophus molitor)

Flow injection chemiluminescence determination of lambda-cyhalothrin and clodinafop-propargyl in freshwater samples

Effect of sublethals concentrations of Glyphosate-based herbicides (Roundup Active®) on skin of the tropical frog (Dendropsophus molitor)

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