Molluscicidal Activity of Some Solanum Species Extracts against the Snail Biomphalaria alexandrina
Background. Snails' species are associated with transmission parasitic disease as intermediate host. Biological control stands to be a better alternative to the chemical controls aimed against snails. The search of herbal preparations that do not produce any adverse effects in the non-target or...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2009-01-01
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| Series: | Journal of Parasitology Research |
| Online Access: | http://dx.doi.org/10.1155/2009/474360 |
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| Summary: | Background. Snails' species are associated with
transmission parasitic disease as intermediate host. Biological
control stands to be a better alternative to the chemical controls
aimed against snails. The search of herbal preparations that do
not produce any adverse effects in the non-target organisms and
are easily biodegradable remains a top research issue for
scientists associated with alternative molluscicides control.
Method. Solvent extracts of fresh mature leaves
of S. nigrum, S. villosum, and S. sinaicum were
tested against Biomphalaria alexandrina, a common
intermediate host of schistosoma mansoni. A
phytochemical analysis of chloroform: ethanol extract was
performed to search for active toxic ingredient. The lethal
concentration was determined. Results. Extracts
isolated from mature leaves of Solanum species
were found to be having molluscicidal properties. S.
nigrum extract was recorded as the highest mortality
rate. When the mortality of different solvent extracts was
compared, the maximum (𝑃<.05) mortality was recorded at a
concentration of 90 ppm of ethanol extract of S.
nigrum. Conclusion. Extract of mature
leaves of S. nigrum exhibited molluscicidal activity
followed by S. sinaicum and the less one was S.
villosum. The study provides considerable scope in exploiting
local indigenous resources for snails' molluscicidal agents. |
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| ISSN: | 2090-0023 2090-0031 |