Efficacy of Mixture of Pesticides on the Mortality and Energy Reserves of a Stored Grain Pest Trogoderma granarium Everts

Riaz, Tanzeela; Shakoori, Farah Rauf; Mansoor, Hareem; Khan, Sana; Saleem, Muhammad

doi:10.17582/journal.pjz/2019.51.6.2297.2309

Cited by 9 publications

(3 citation statements)

References 27 publications

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“…Similar effect on lipid and glycogen contents induced by various insecticides were observed by Omar et al (2005), Ali et al (2007), Shoba et al (2011), Ali et al (2011), Shaurub and Aziz (2015, Shakoori et al (2016) and Hafiz et al (2017). These findings are in partial agreement to Riaz et al (2019) who reported similar effects in biomolecules after exposure to abamectin:emamectin and abametin:spinosad combinations in 4 th and 6 th instar larvae of T. granarium.…”

Section: Effect On Energy Reservessupporting

confidence: 83%

Efficacy of Diatomaceous Earth and Deltamethrin Alone and in Combinations on Mortality and Energy Reserves of Insecticide Resistant Strains of Stored Grain Pest, Trogoderma granarium

Kousar¹,

Riaz²,

Feroz³

et al. 2021

PJZ

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Section: Effect On Energy Reservessupporting

confidence: 83%

Efficacy of Diatomaceous Earth and Deltamethrin Alone and in Combinations on Mortality and Energy Reserves of Insecticide Resistant Strains of Stored Grain Pest, Trogoderma granarium

Kousar¹,

Riaz²,

Feroz³

et al. 2021

PJZ

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“…The decrease in the glycogen content of snail tissues after exposure to pollutant may be due to an increase in the glycogen degradation rate, ‘glycogenolysis’, 52 or to the greater utilization of glycogen for metabolic purposes and to combat toxic stress 53 . The obtained data are in line with Riaz et al 54 . who showed that the glycogen contents were significantly decreased in fourth and sixth larval instars of two Pakistan populations of stored grain pest, Trogoderma granarium , exposed to LC 20 doses of emamectin, abamectin and spinosad alone and in various combinations.…”

Section: Discussionsupporting

confidence: 87%

Emamectin benzoate as a potential molluscicide against white garden snail, Theba pisana in association with biochemical defects

Gad

2022

Pest Management Science

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BACKGROUND The white garden snail, Theba pisana, is distributed worldwide and is a serious molluscan pest of different crops. Emamectin benzoate (EMB) ‘an avermectin derivative’ is a novel biorational agent and highly effective pesticide. This study focused on the lethal and in vivo sublethal toxic effect of EMB on the energy reserves (glycogen, lipids and proteins), total energy reserves and activities of glutathione S‐transferase (GST), γ‐glutamyl transferase (γ‐GT), lactate dehydrogenase (LDH), aspartate aminotransferase (AST) and alanine aminotransferase (ALT) in the hepatopancreas of T. pisana for up to 7 days of exposure. RESULTS The median lethal dose (LD50) at 48 h of EMB treatment was 5.34 μg g−1 body weight (b.w.). Sublethal doses of 1.07 and 3.20 μg g−1 b.w. (i.e., 20% and 60% of the LD50) led to significant dose‐ and time‐dependent decreases in glycogen and lipids; these doses increased the total protein level. Overall, the tested sublethal doses significantly decreased the total energy reserves. Moreover, GST and γ‐GT activities were elevated, whereas the activities of AST and ALT were inhibited in the exposed snails. A decrease in LDH activity after 1 and 3 days of exposure and an increase after 7 days of exposure were seen in snails treated with EMB. CONCLUSION EMB exerted lethal toxicity on T. pisana and consequently caused changes in energy reserve levels and enzyme activities in the animal. © 2022 Society of Chemical Industry.

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“…This depletion indicating animals are utilizing their energy reserves to cope with toxic stress (Tendulkar and Kulkarni 2012) or for increased rate of glycogen breakdown "glycogenolysis" (Ansaldo et al 2006). The aforementioned ndings are in coincidence with those of Riaz et al (2019) who showed that the glycogen contents were signi cantly deceased in 4th and 6th larval instars of two geographically distinct Trogoderma granarium eld populations exposed to LC 20 of ABM, emamectin and spinosad alone and in various combinations.…”

Section: Discussionsupporting

confidence: 87%

Insights into the ecotoxicological perturbations induced by the biocide Abamectin in the white snail,Theba pisana

Radwan

Gad

2022

Journal of Environmental Science and Health, Part B

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Abamectin (avermectin B1, ABM) has been widely used as a biocide in agriculture, veterinary and medicine worldwide. In the current study, we aimed to evaluate the acute toxicity and sub-lethal biochemical responses of ABM on the non-target land snail, Theba pisana. Mortality of snails increased with the dose increase, resulting 48h-LD 50 value of 1.048 µg/snail. Sub-lethal effects were studied on the survivors of 20% and 60% LD 50 ABM doses and the biochemical parameters were assessed for up to 7 days of exposure. The results showed a decrease in glycogen content and lipids for two sub-lethal doses after all time intervals, whereas increased the level of total proteins after exposure to 60% LD 50 ABM.Overall, the tested sub-lethal doses signi cantly decreased the total energy reserves. ABM-exposure to snails elevated γ-Glutamyl transferase (γ-GT) and Lactate dehydrogenase (LDH) activities at all-time intervals. A signi cant increase of Glutathione-S-transferase (GST) activity was also recorded in snails exposed to 20% and 60% LD 50 after 7 days and all time intervals, respectively. However, ABM inhibited the activity of Aspartate aminotransferase (AST) and Alanine aminotransferase (ALT) after 7 days of exposure. Our investigation provides new insights into the disturbances of energy reserves and enzyme activities in T. pisana snails that can be used as useful sentinel organism. Indeed, these tested biochemical parameters of the snails are sensitive and may be used as biomarkers for assessing ABM toxicity.

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Efficacy of Mixture of Pesticides on the Mortality and Energy Reserves of a Stored Grain Pest Trogoderma granarium Everts

Cited by 9 publications

References 27 publications

Efficacy of Diatomaceous Earth and Deltamethrin Alone and in Combinations on Mortality and Energy Reserves of Insecticide Resistant Strains of Stored Grain Pest, Trogoderma granarium

Efficacy of Diatomaceous Earth and Deltamethrin Alone and in Combinations on Mortality and Energy Reserves of Insecticide Resistant Strains of Stored Grain Pest, Trogoderma granarium

Emamectin benzoate as a potential molluscicide against white garden snail, Theba pisana in association with biochemical defects

Insights into the ecotoxicological perturbations induced by the biocide Abamectin in the white snail,Theba pisana

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