MOLLUSCICIDAL ACTIVITY OF AQUEOUS EXTRACT OF SOLANUM NIGRUM AGAINST THE BROWN GARDEN SNAIL, EOBANIA VERMICULATA (Müller, 1774) UNDER LABORATORY CONDITIONS

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	MOLLUSCICIDAL ACTIVITY OF AQUEOUS EXTRACT OF SOLANUM NIGRUM AGAINST THE BROWN GARDEN SNAIL, EOBANIA VERMICULATA (Müller, 1774) UNDER LABORATORY CONDITIONS
Article 10, Volume 59, Issue 59, June 2013, Page 147-162
Document Type: Original Research Papers
DOI: 10.12816/0001310
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Authors
Safaa M. Ali ¹; Torkia A. Mohammed¹; Ahmed M. Mandour²; Asmaa R. Abd EL-Malek¹
¹Department of Zoology, Faculty of Science, Assiut University, Egypt
²Department of Parasitology, Faculty of Medicine, Assiut University, Egypt
Abstract
The impact of the aqueous extract of Solanum nigrum as a molluscicide for the control of the brown garden snail, Eobania vermiculata, was studied under laboratory conditions. The present study revealed that, the rate of mortalities of the tested snails depends on the dose and duration of exposure to this extract. The highest mortality rates were noticed at doses of 8%, 6%, 4% and 3%. Large amounts of mucus were secreted by snails just after the contact of the extract with their soft bodies. The treated snails showed histological alterations in the digestive gland and ovotestis. The digestive cells were shrinked or completely degenerated. The excretory cells were significantly increased in number. The ovotestis showed some degeneration in the late stages of spermatogenesis.
Keywords
land snail; Solanum nigrum extract; Molluscicide; Digestive gland; Ovotestis
Main Subjects
Animal Histology


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