Anti-fertility effect of three inorganic salts against land snail, Massylaea vermiculata, (O.F. Müller1774) and their field efficiency

Abstract Background The ovotestis gland (the hermaphrodite gland) is a reproductive system organ that affects fertility of land snails. Thus, the present study was conducted to evaluate the effect of three inorganic salts (sodium carbonate, sodium benzoate, and sodium nitrate) against the land snail...

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Autor principal:	Soha A. Mobarak
Formato:	article
Lenguaje:	EN
Publicado:	SpringerOpen 2021
Materias:	Massylaea vermiculata Inorganic salts Toxicology Histology LPO enzyme Egg lying Zoology QL1-991
Acceso en línea:	https://doaj.org/article/5c9c35f976e746ffb77d53c9671232d2
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spelling	oai:doaj.org-article:5c9c35f976e746ffb77d53c9671232d22021-11-28T12:22:06ZAnti-fertility effect of three inorganic salts against land snail, Massylaea vermiculata, (O.F. Müller1774) and their field efficiency10.1186/s41936-021-00258-32090-990Xhttps://doaj.org/article/5c9c35f976e746ffb77d53c9671232d22021-11-01T00:00:00Zhttps://doi.org/10.1186/s41936-021-00258-3https://doaj.org/toc/2090-990XAbstract Background The ovotestis gland (the hermaphrodite gland) is a reproductive system organ that affects fertility of land snails. Thus, the present study was conducted to evaluate the effect of three inorganic salts (sodium carbonate, sodium benzoate, and sodium nitrate) against the land snail, Massylaea vermiculata under laboratory and field conditions. Snails were treated with serial concentrations of the tested salts for seven days using thin-layer film technique. The LC50 of each salt was determined, and the effect of ½ LC50 of each was tested on egg-laying. In addition, LPO enzyme was determined, and the histological effect of the ovotestis gland was inspected. The field efficiency of sodium carbonate and sodium nitrate were evaluated as a spray for 21 days on pomegranate nursery trees at Giza Governorate. The effects of inorganic salts were compared with methomyl (the compound recommended by the Egyptian Ministry of Agriculture against land snails in the field). Results The laboratory results revealed that sodium carbonate and sodium nitrate were more toxic than sodium benzoate, whereas the LC50 were 2.4, 9.6, and 11.8% for the three inorganic salts, respectively. Sodium carbonate and sodium nitrate achieved complete inhibition for egg production, while sodium benzoate gave 37.7% compared to 96.8% for hatchability control. Sodium carbonate and sodium benzoate exhibited significant effect on LPO enzyme, while a non-significant effect was recorded by sodium nitrite compared with control. Regarding the histological effect, sodium carbonate and sodium nitrate had the same effect on ovotestis, as a necrobiotic change was observed in the ova, and diminishing in spermatozoal concentration, while sodium benzoate caused decreasing in spermatozoal concentration without any alteration in the ovarian compared with control. Regarding the field results, sodium carbonate and sodium nitrate achieved 78.4 and 79.0% reduction in land snail populations, respectively, compared with 75% for methomyl compound. Conclusions The tested inorganic salts have highly toxic effect against the land snail, M. vermiculata, and they can be used in field control programs, after conducting more studies on their effect on the soil and other environmental components.Soha A. MobarakSpringerOpenarticleMassylaea vermiculataInorganic saltsToxicologyHistologyLPO enzymeEgg lyingZoologyQL1-991ENJournal of Basic and Applied Zoology, Vol 82, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Massylaea vermiculata Inorganic salts Toxicology Histology LPO enzyme Egg lying Zoology QL1-991
spellingShingle	Massylaea vermiculata Inorganic salts Toxicology Histology LPO enzyme Egg lying Zoology QL1-991 Soha A. Mobarak Anti-fertility effect of three inorganic salts against land snail, Massylaea vermiculata, (O.F. Müller1774) and their field efficiency
description	Abstract Background The ovotestis gland (the hermaphrodite gland) is a reproductive system organ that affects fertility of land snails. Thus, the present study was conducted to evaluate the effect of three inorganic salts (sodium carbonate, sodium benzoate, and sodium nitrate) against the land snail, Massylaea vermiculata under laboratory and field conditions. Snails were treated with serial concentrations of the tested salts for seven days using thin-layer film technique. The LC50 of each salt was determined, and the effect of ½ LC50 of each was tested on egg-laying. In addition, LPO enzyme was determined, and the histological effect of the ovotestis gland was inspected. The field efficiency of sodium carbonate and sodium nitrate were evaluated as a spray for 21 days on pomegranate nursery trees at Giza Governorate. The effects of inorganic salts were compared with methomyl (the compound recommended by the Egyptian Ministry of Agriculture against land snails in the field). Results The laboratory results revealed that sodium carbonate and sodium nitrate were more toxic than sodium benzoate, whereas the LC50 were 2.4, 9.6, and 11.8% for the three inorganic salts, respectively. Sodium carbonate and sodium nitrate achieved complete inhibition for egg production, while sodium benzoate gave 37.7% compared to 96.8% for hatchability control. Sodium carbonate and sodium benzoate exhibited significant effect on LPO enzyme, while a non-significant effect was recorded by sodium nitrite compared with control. Regarding the histological effect, sodium carbonate and sodium nitrate had the same effect on ovotestis, as a necrobiotic change was observed in the ova, and diminishing in spermatozoal concentration, while sodium benzoate caused decreasing in spermatozoal concentration without any alteration in the ovarian compared with control. Regarding the field results, sodium carbonate and sodium nitrate achieved 78.4 and 79.0% reduction in land snail populations, respectively, compared with 75% for methomyl compound. Conclusions The tested inorganic salts have highly toxic effect against the land snail, M. vermiculata, and they can be used in field control programs, after conducting more studies on their effect on the soil and other environmental components.
format	article
author	Soha A. Mobarak
author_facet	Soha A. Mobarak
author_sort	Soha A. Mobarak
title	Anti-fertility effect of three inorganic salts against land snail, Massylaea vermiculata, (O.F. Müller1774) and their field efficiency
title_short	Anti-fertility effect of three inorganic salts against land snail, Massylaea vermiculata, (O.F. Müller1774) and their field efficiency
title_full	Anti-fertility effect of three inorganic salts against land snail, Massylaea vermiculata, (O.F. Müller1774) and their field efficiency
title_fullStr	Anti-fertility effect of three inorganic salts against land snail, Massylaea vermiculata, (O.F. Müller1774) and their field efficiency
title_full_unstemmed	Anti-fertility effect of three inorganic salts against land snail, Massylaea vermiculata, (O.F. Müller1774) and their field efficiency
title_sort	anti-fertility effect of three inorganic salts against land snail, massylaea vermiculata, (o.f. müller1774) and their field efficiency
publisher	SpringerOpen
publishDate	2021
url	https://doaj.org/article/5c9c35f976e746ffb77d53c9671232d2
work_keys_str_mv	AT sohaamobarak antifertilityeffectofthreeinorganicsaltsagainstlandsnailmassylaeavermiculataofmuller1774andtheirfieldefficiency
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Anti-fertility effect of three inorganic salts against land snail, Massylaea vermiculata, (O.F. Müller1774) and their field efficiency

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