Essential oils and their components as promising approach for gastropod mollusc control: a review

Radwan, Mohamed; Gad, Amira F.

doi:10.1007/s41348-021-00484-5

Cited by 13 publications

(9 citation statements)

References 116 publications

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“…Currently, restrictions on the use of synthetic molluscicides to control land snails highlight the importance of developing ecofriendly alternatives. 39,40 One alternative possibility for snail control is the implementation of BOA, an inorganic chemical pesticide that has received attention as a safe molluscicide and interferes with the functioning of certain physiological and biochemical processes in target and nontarget organisms. 13,26 In this study, dietary exposure was selected based on the mode of entry into the pest body via ingestion (stomach poison), as BOA disrupts its gut.…”

Section: Discussionmentioning

confidence: 99%

Exploring the mechanisms underlying the toxicity of boric acid against the land snail, Theba pisana

Radwan

Gad

2023

Pest Management Science

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BACKGROUND: The land snail, Theba pisana, is one of the most important threats facing agriculture around the globe. Boric acid (BOA) is currently used as a safe alternative molluscicide to control land snails in sustainable agriculture, but the mechanisms of toxicity have not yet been investigated. The present study characterizes the lethal and sub-lethal (0.5 and 1 mg g −1 ) toxic effects of BOA-contaminated food for 14 days by examining physiological, biochemical and histopathological indicators in T. pisana to understand the mechanisms underlying its toxic action.RESULTS: BOA was found to be lethal against T. pisana with LC 50 values of 24.7 and 8.05 mg g −1 after 3 and 7 days of exposure, respectively. BOA sublethal concentrations led to a significant reduction in food consumption and growth of snails after 14 days of exposure. BOA also caused a significant increase in testosterone levels, whereas an opposite effect was observed in estradiol levels. An increase in progesterone levels in snails in the 0.5 mg g −1 BOA group and a decrease in the 1 mg g −1 BOA group were observed after all exposure times. Moreover, the lipid peroxidation level and catalase activity were elevated, whereas acetylcholinesterase activity was inhibited in the treated snails. Alteration in glutathione-S-transferase activity was noticed after exposure to both sublethal concentrations. In addition, BOA induced histopathological alterations in the digestive gland of T. pisana. CONCLUSION: Our findings provide novel insights into how physiological, biochemical and histopathological alterations can be used to explore the mechanisms underlying BOA toxicity against snails.

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Section: Discussionmentioning

confidence: 99%

Exploring the mechanisms underlying the toxicity of boric acid against the land snail, Theba pisana

Radwan

Gad

2023

Pest Management Science

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“…Specifically, feeding on baits that contained sublethal concentrations of eugenol, a compound found in cinnamon, clove, and bay leaves, the 24-hour lethal concentration of 50% of the sample size (24 h-LC50) ranged between 2.55 and 10.73µ g/ml, with the highest toxicity occurring in conjunction with elevated temperatures. Eugenol also reduced fecundity, hatchability, and survival of young Lymnaea acuminata [33]. Although Asian clams are different from gastropods, there is potential to combine essential oil baiting techniques with microencapsulation technology to enable invasive bivalves to filter out and consume the toxic essential oils constituents and maximize their efficacy.…”

Section: Essential Oilsmentioning

confidence: 99%

Chemical Treatments on Invasive Bivalve, <em>Corbicula fluminea</em>

Goulder,

Wong

2024

Preprint

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The Asian clam Corbicula fluminea is a native aquatic species in Eastern Asia and Africa but has become one of the most ecologically and economically harmful invasive species in aquatic ecosystems in Europe, North America, South America. Due to their natural characteristics as a hermaphroditic species with high fecundity and dispersal capacity, Asian clams are extremely difficult to eradicate once they have infiltrated a waterbody. This is an emerging issue for states in the Northeastern United States as Asian clams expand their range farther North due to climate change. There has been extensive research conducted to develop chemical treatments to reactively control invasive mollusc populations and proactively prevent their further spread. However, treatments are mostly targeted toward biofouling bivalves in industrial settings. A comprehensive review of Asian clam chemical treatments used in open water systems was performed to evaluate molluscicides and identify toxicity ranges of emerging treatments that maximize Asian clam mortality and minimize negative impact to water quality and non-target species. The potential chemical applications in Asian clam control and management are summarized in this report to assist resource managers and practitioners on invasive Asian clam management.

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“…Some plant molluscicides are considered inexpensive and environmental friendly to the health of aquatic organisms and mammals, and some pure compounds have also been isolated from plant and proven to have molluscicidal activity against snails [ 1 ]. Development of natural plant molluscicides may be a suitable alternative for snail control [ 8 , 9 ]. However, their indiscriminate use could affect nontarget organisms.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Achyranthes aspera leaf extract and acute toxicity study on fingerlings of Nile tilapia, Oreochromis niloticus

Mandefro,

Fereja,

Fremichael

et al. 2024

Biochemistry and Biophysics Reports

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Essential oils and their components as promising approach for gastropod mollusc control: a review

Cited by 13 publications

References 116 publications

Exploring the mechanisms underlying the toxicity of boric acid against the land snail, Theba pisana

Exploring the mechanisms underlying the toxicity of boric acid against the land snail, Theba pisana

Chemical Treatments on Invasive Bivalve, <em>Corbicula fluminea</em>

Analysis of Achyranthes aspera leaf extract and acute toxicity study on fingerlings of Nile tilapia, Oreochromis niloticus

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