Toxic effect of clove oil on the survival and histology of various tissues of pestiferous land snail Achatina fulica (Bowdich, 1822)

Parvate, Yadnya A.; Thayil, Liji

doi:10.18006/2017.5(4).492.505

Cited by 13 publications

(10 citation statements)

References 19 publications

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“…The results are also in accordance with those obtained by Amaeze et al (2011) who observed necrosis in the tissues of genital organs of the land snail, Archachatina marginata when exposed to a high dose of NPK balanced fertilizers. Parvate and Thayil (2017) stated that the snails exposed to 20% of LD 50 from clove oil after 24 h showed mild degenerative changes in the sperms along with a reduction in sperm density within the acini of ovotestis, while severe degeneration of sperms was observed in snails treated with 60% of the LD 50 after 24 h along with necrosis of sertoli cells at intercellular level.…”

Section: Histopathological Effectmentioning

confidence: 99%

Effects of chitosan and emamectin benzoate on the reproductive system of Eobania vermiculata (Muller) land snails

Kandil

Eweis

Soha

et al. 2020

Egypt J Biol Pest Control

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The reproductive system of snails represents essential organ that affects snail population size. Therefore, the present research was directed to evaluate the effect of two biopesticides chitosan (Ch) and emamectin benzoate (EMB) LC 50 on the reproductive system of Eobania vermiculata (Muller). Land snails were treated using thin-film layer technique. Snails were dissected and organs of reproductive system were weighted and examined for any pathological changes at 24, 48 and 72 h post treatment. Moreover, steroidal hormones were determined after 72 h of treatment with either chitosan or emamectin benzoate in comparison to untreated snails. Results revealed that the penis and dart sac increased in size, while ovotestis was decreased at the 3 different periods than the same organs of untreated snails. In addition, there was swelling in the size of some organs, i.e penis and vagina. While there was stunting in the albumen gland at 72 h of treatment with Ch or EMB. However, histological examination showed damage of the ovotestis and atrophy of induced cells in the dart sac and penis. The incidents of both compounds on the level of steroidal hormones gave fluctuating results, either increasingly or decreasingly. In conclusion, data emphasize that both tested compounds caused reduction in the numerical density of the E. vermiculata reproductive system and consequently decreased their fertility, as well as reduction in its population.

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Section: Histopathological Effectmentioning

confidence: 99%

Effects of chitosan and emamectin benzoate on the reproductive system of Eobania vermiculata (Muller) land snails

Kandil

Eweis

Soha

et al. 2020

Egypt J Biol Pest Control

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“…All extracts reduced the A. fulica mass to 500.000 ppm, 700.000 ppm, and 1.000.000 ppm. Parvate and Thayil (2017) tested the essential oil of S. aromaticum (Clove) on A. fulica adults. The mollusks weighed 65 g ± 20 g. The essential oil was tested at concentrations of 30,000 ppm, 60,000 ppm, 90,000 ppm, 150,000 ppm, 210,000 ppm, and 270,000 ppm.…”

Section: Quali-quantitative Analysismentioning

confidence: 99%

“…However, the perceived activity can lead to future studies of S. aromaticum (clove) flower buds, since other studies, such as the one by Gusman et al (2014) and Agostini et al (2018), also found some activity using the same product. Parvate and Thayil (2017) also analyzed S. aromaticum (clove) and tested its essential oil. The authors obtained an LD 50 of 39.160 ppm in 96 h. However, when compared to the concentration obtained in the promising result reported by Silva Júnior et al ( 2018), of 2,000 ppm, Rao and Singh (2000) showed a significant reduction in oviposition and viable egg production.…”

Section: Quali-quantitative Analysismentioning

confidence: 99%

“…Miranda et al (2012) and Vieira et al (2016) performed tests to evaluate the hatching of eggs, the survival rate, and mollusk growth. Parvate and Thayil (2017) performed histological tests to assess the toxic effect of the tested essential oil on different snail tissues. Patino-Montoya and Giraldo (2018) tested their extracts in young and adult individuals of A. fulica.…”

Section: Tests At Different Mollusk Life Stages and Other Parametersmentioning

confidence: 99%

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Natural products as a control measure of the Achatina fulica (Gastropoda: Achatinidae)

Leite

Silva

Santos³

et al. 2024

Braz. J. Biol.

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Achatina fulica is a terrestrial mollusk known as the giant African snail that is related to environmental, economic, urban, and public health problems. As control measures for this mollusk, cooking salt (NaCl) and calcium oxide (CaO) are used, and baits are composed of metaldehyde. However, these measures have environmental toxicity and impact the soil. In this way, natural products have been tested on this mollusk to discover and develop a substance to combat this urban and agricultural pest. This article aims to evaluate studies involving natural products to control the population of Achatina fulica. Articles and works published in books were included in the present work. A total of 1,103 works were found during the search. Of these, 14 works met the objective of these review and were included in this article. The tests do not possess methodological standardization, do not have a maximum concentration to be considered active, or a maximum exposure time. A lack of standardization in the methodology of tests on A. fulica was observed. The performance of tests on other life stages of the mollusk, as well as tests that analyze other parameters, are essential. Only one article analyzed presented phytochemical analysis. No ecotoxicity tests were reported either. Some extracts showed promising results, highlighting the aqueous extract of Capsicum frutescens. More studies investigating the molluscicidal activity of natural products on A. fulica are needed. It is very relevant that the new studies present a phytochemical analysis of the tested extracts, as well as ecotoxicity studies.

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“…It is complex and involves different technologies of material processing and different methods of microscopy. Histology is used in many fields of humane and veterinary medicine (Parvate & Thayi, 2017). Its main essence is that this method can diagnose the presence of formations and inclusions.…”

Section: Citationmentioning

confidence: 99%

Histological Studies of Snails at Different Periods of Their Life Activity

Danilova

Фотіна

Danilova³

2022

Ukr. Jour. of Vet. and Agr. Sci.

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Large species of terrestrial mollusks are used for human consumption and are bred for this purpose. They have become a part of national cuisine in many countries. Histology is used in many fields of humane and veterinary medicine. Its main essence is that this method can diagnose the presence of formations and inclusions. It is used to determine this process's structure and stage of development. Samples of different tissues can be used as material for histological examination. The specialist analyzes and describes the histological preparations obtained after processing the material. Thus, we proposed a histological method of studying snails. This method can provide the data of snails’ state as a whole. Snails of the species Helix aspersa maxima, Helix aspersa muller, and Helix pomatia were the material for the study. Ten snails of each species were selected for the experiment at different periods: immediately after hibernation, five days after wakening, 14 days after wakening, and at the time of their active life – in July. First, we conducted histological studies of snails during their active life, i.e., in the summer months. Therefore, for this purpose, snails for the experiment were taken in July. It was determined that if the snail eats and has an everyday life, its digestive gland generally consists of digestive tubules separated by intertubular connective tissue containing hemolymphatic sinuses and hemocytes. Thus, in our research, we studied the structure of the digestive gland. A circular muscle layer surrounds each tubule. There are three different cell types in the epithelium lining the tubules of the digestive glands, which differentiate into digestive cells, calcium cells, and excretory cells. Digestive cells are the most numerous cellular component of the tubular epithelium of the digestive gland. Basally located nuclei of digestive cells have a round or oval shape. During the rest period, the digestive gland of snails is characterized by a complete loss of digestive function and the transformation of digestive cells into excretory ones. Metabolic products are not excreted into the environment. When they accumulate, they fill all cavities in the body of snails, namely the lumens of glandular tubules, excretory ducts, stomach, and intestines. Food intake in snails increases the level of metabolism. It stimulates the differentiation of digestive cells, the functional activity of excretory cells, and the volume of excretory products. It leads to the complete liberation of the digestive tract from accumulated excretion products during the rest period. The structure of the digestive gland is completely restored.

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Toxic effect of clove oil on the survival and histology of various tissues of pestiferous land snail Achatina fulica (Bowdich, 1822)

Cited by 13 publications

References 19 publications

Effects of chitosan and emamectin benzoate on the reproductive system of Eobania vermiculata (Muller) land snails

Effects of chitosan and emamectin benzoate on the reproductive system of Eobania vermiculata (Muller) land snails

Natural products as a control measure of the Achatina fulica (Gastropoda: Achatinidae)

Histological Studies of Snails at Different Periods of Their Life Activity

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