Antifeedant, growth regulatory and biochemical effects of terpenes and phenylpropenes on Spodoptera littoralis Boisduval
Screening the biological activities of plant secondary metabolites on economic pests can lead to discovery new ecofriendly biopesticides. The aim of this work was to evaluate the antifeedant, growth inhibitory and toxic activities of seven monoterpenes, two phenylpropenes and two sesquiterpenes on 2...
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| Veröffentlicht in: | International journal of tropical insect science 2020-06, Vol.40 (2), p.423-433 |
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| creator | Abdelgaleil, Samir A. M. Abou-Taleb, Hamdy K. Al-Nagar, Nagwa M. A. Shawir, Mohamed S. |
| description | Screening the biological activities of plant secondary metabolites on economic pests can lead to discovery new ecofriendly biopesticides. The aim of this work was to evaluate the antifeedant, growth inhibitory and toxic activities of seven monoterpenes, two phenylpropenes and two sesquiterpenes on 2nd larval instar of
Spodoptera littoralis
. The tested compounds induced a significant antifeedant effect at various concentrations (500, 1000 and 2000 mg/kg), particularly after 6 and 9 days of exposure. Among the tested compounds,
trans
-cinnamaldehyde,
α
-terpinene, (−)-citronellal and 1,8-cineole were the most potent antifeedants after the three exposure periods. In general the tested compounds showed remarkable antifeedant activity after 9 days of exposure as their antifeedant indices ranged between 44.0 and 80.1%. On the other hand, the tested compounds drastically inhibited the growth of
S. littoralis
larvae at the tested concentrations. The larval growth inhibition ranged between 21.4 and 100% with cuminaldehyde, 1,8-cineole and eugenol being the most potent growth inhibitors. Some of the tested compounds caused significantly higher antifeedant and growth inhibitory effects than a reference insecticide, pyriproxifen. In general, the tested compounds showed higher growth inhibition than antifeedant effect. The tested compound also induced
S. littoralis
larval morality which improved with increasing exposure time and concentration. Cuminaldehyde, 1,8-cineole and (−)-carvone showed highest toxicity with 100.0, 97.0 and 77.0% mortality, respectively, at 2000 mg/kg after 9 days of exposure. Biochemical studies revealed that
trans
-cinnamaldehyde (IC
50
= 0.03 mM), farnesol (IC
50
= 0.04 mM) and eugenol (IC
50
= 0.06 mM) are potent α-amylase inhibitors. These three compounds also caused significant inhibition of total proteases activity. This is the first report on antifeedant, growth inhibitory and insecticidal activities of the tested compounds on
S. littoralis
. Moreover, the strong bioactivity reported in this study indicated that these compounds have a potential to be used as bioinsecticides. |
| doi_str_mv | 10.1007/s42690-019-00093-8 |
| format | Article |
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Spodoptera littoralis
. The tested compounds induced a significant antifeedant effect at various concentrations (500, 1000 and 2000 mg/kg), particularly after 6 and 9 days of exposure. Among the tested compounds,
trans
-cinnamaldehyde,
α
-terpinene, (−)-citronellal and 1,8-cineole were the most potent antifeedants after the three exposure periods. In general the tested compounds showed remarkable antifeedant activity after 9 days of exposure as their antifeedant indices ranged between 44.0 and 80.1%. On the other hand, the tested compounds drastically inhibited the growth of
S. littoralis
larvae at the tested concentrations. The larval growth inhibition ranged between 21.4 and 100% with cuminaldehyde, 1,8-cineole and eugenol being the most potent growth inhibitors. Some of the tested compounds caused significantly higher antifeedant and growth inhibitory effects than a reference insecticide, pyriproxifen. In general, the tested compounds showed higher growth inhibition than antifeedant effect. The tested compound also induced
S. littoralis
larval morality which improved with increasing exposure time and concentration. Cuminaldehyde, 1,8-cineole and (−)-carvone showed highest toxicity with 100.0, 97.0 and 77.0% mortality, respectively, at 2000 mg/kg after 9 days of exposure. Biochemical studies revealed that
trans
-cinnamaldehyde (IC
50
= 0.03 mM), farnesol (IC
50
= 0.04 mM) and eugenol (IC
50
= 0.06 mM) are potent α-amylase inhibitors. These three compounds also caused significant inhibition of total proteases activity. This is the first report on antifeedant, growth inhibitory and insecticidal activities of the tested compounds on
S. littoralis
. Moreover, the strong bioactivity reported in this study indicated that these compounds have a potential to be used as bioinsecticides.</description><identifier>ISSN: 1742-7592</identifier><identifier>ISSN: 1742-7584</identifier><identifier>EISSN: 1742-7592</identifier><identifier>DOI: 10.1007/s42690-019-00093-8</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Antifeedants ; Biocompatibility ; Biological activity ; Biomedical and Life Sciences ; Carvone ; Cineole ; Cinnamaldehyde ; Citronellal ; Entomology ; Eugenol ; Exposure ; Farnesol ; Inhibitors ; Insecticides ; Larvae ; Larval development ; Life Sciences ; Metabolites ; Monoterpenes ; Morality ; Original Research Article ; Pesticides ; Pests ; Secondary metabolites ; Sesquiterpenes ; Spodoptera littoralis ; Terpenes ; Terpinene ; Toxicity ; α-Amylase</subject><ispartof>International journal of tropical insect science, 2020-06, Vol.40 (2), p.423-433</ispartof><rights>African Association of Insect Scientists 2020</rights><rights>African Association of Insect Scientists 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-7120da09684b205c4efecdbc44f35573664693acadb6361db18dd3a58cbece83</citedby><cites>FETCH-LOGICAL-c319t-7120da09684b205c4efecdbc44f35573664693acadb6361db18dd3a58cbece83</cites><orcidid>0000-0002-8819-8810</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s42690-019-00093-8$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s42690-019-00093-8$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Abdelgaleil, Samir A. M.</creatorcontrib><creatorcontrib>Abou-Taleb, Hamdy K.</creatorcontrib><creatorcontrib>Al-Nagar, Nagwa M. A.</creatorcontrib><creatorcontrib>Shawir, Mohamed S.</creatorcontrib><title>Antifeedant, growth regulatory and biochemical effects of terpenes and phenylpropenes on Spodoptera littoralis Boisduval</title><title>International journal of tropical insect science</title><addtitle>Int J Trop Insect Sci</addtitle><description>Screening the biological activities of plant secondary metabolites on economic pests can lead to discovery new ecofriendly biopesticides. The aim of this work was to evaluate the antifeedant, growth inhibitory and toxic activities of seven monoterpenes, two phenylpropenes and two sesquiterpenes on 2nd larval instar of
Spodoptera littoralis
. The tested compounds induced a significant antifeedant effect at various concentrations (500, 1000 and 2000 mg/kg), particularly after 6 and 9 days of exposure. Among the tested compounds,
trans
-cinnamaldehyde,
α
-terpinene, (−)-citronellal and 1,8-cineole were the most potent antifeedants after the three exposure periods. In general the tested compounds showed remarkable antifeedant activity after 9 days of exposure as their antifeedant indices ranged between 44.0 and 80.1%. On the other hand, the tested compounds drastically inhibited the growth of
S. littoralis
larvae at the tested concentrations. The larval growth inhibition ranged between 21.4 and 100% with cuminaldehyde, 1,8-cineole and eugenol being the most potent growth inhibitors. Some of the tested compounds caused significantly higher antifeedant and growth inhibitory effects than a reference insecticide, pyriproxifen. In general, the tested compounds showed higher growth inhibition than antifeedant effect. The tested compound also induced
S. littoralis
larval morality which improved with increasing exposure time and concentration. Cuminaldehyde, 1,8-cineole and (−)-carvone showed highest toxicity with 100.0, 97.0 and 77.0% mortality, respectively, at 2000 mg/kg after 9 days of exposure. Biochemical studies revealed that
trans
-cinnamaldehyde (IC
50
= 0.03 mM), farnesol (IC
50
= 0.04 mM) and eugenol (IC
50
= 0.06 mM) are potent α-amylase inhibitors. These three compounds also caused significant inhibition of total proteases activity. This is the first report on antifeedant, growth inhibitory and insecticidal activities of the tested compounds on
S. littoralis
. Moreover, the strong bioactivity reported in this study indicated that these compounds have a potential to be used as bioinsecticides.</description><subject>Antifeedants</subject><subject>Biocompatibility</subject><subject>Biological activity</subject><subject>Biomedical and Life Sciences</subject><subject>Carvone</subject><subject>Cineole</subject><subject>Cinnamaldehyde</subject><subject>Citronellal</subject><subject>Entomology</subject><subject>Eugenol</subject><subject>Exposure</subject><subject>Farnesol</subject><subject>Inhibitors</subject><subject>Insecticides</subject><subject>Larvae</subject><subject>Larval development</subject><subject>Life Sciences</subject><subject>Metabolites</subject><subject>Monoterpenes</subject><subject>Morality</subject><subject>Original Research Article</subject><subject>Pesticides</subject><subject>Pests</subject><subject>Secondary metabolites</subject><subject>Sesquiterpenes</subject><subject>Spodoptera littoralis</subject><subject>Terpenes</subject><subject>Terpinene</subject><subject>Toxicity</subject><subject>α-Amylase</subject><issn>1742-7592</issn><issn>1742-7584</issn><issn>1742-7592</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kEtLAzEUhYMoWKt_wFXAraN5zWtZiy8ouLD7kEnutFOmyZikav-9qSPoytW9XL5zzuUgdEnJDSWkvA2CFTXJCK0zQkjNs-oITWgpWFbmNTv-s5-isxA2hHDKKzpBnzMbuxbAKBuv8cq7j7jGHla7XkXn91hZg5vO6TVsO616DG0LOgbsWhzBD2AhfDPDGuy-H7wbT87i18EZNyRI4b6LyUz1XcB3rgtm9676c3TSqj7Axc-couXD_XL-lC1eHp_ns0WmOa1jVlJGjCJ1UYmGkVwLSPmm0UK0PM9LXhSiqLnSyjQFL6hpaGUMV3mlG9BQ8Sm6Gm3Ta287CFFu3M7blCiZIJTlFRV5othIae9C8NDKwXdb5feSEnkoWI4Fy1Sw_C5YHqz5KAoJtivwv9b_qL4Ara6Bbg</recordid><startdate>20200601</startdate><enddate>20200601</enddate><creator>Abdelgaleil, Samir A. M.</creator><creator>Abou-Taleb, Hamdy K.</creator><creator>Al-Nagar, Nagwa M. A.</creator><creator>Shawir, Mohamed S.</creator><general>Springer International Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7QR</scope><scope>7SS</scope><scope>7T7</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H94</scope><scope>M7N</scope><scope>P64</scope><orcidid>https://orcid.org/0000-0002-8819-8810</orcidid></search><sort><creationdate>20200601</creationdate><title>Antifeedant, growth regulatory and biochemical effects of terpenes and phenylpropenes on Spodoptera littoralis Boisduval</title><author>Abdelgaleil, Samir A. M. ; Abou-Taleb, Hamdy K. ; Al-Nagar, Nagwa M. A. ; Shawir, Mohamed S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-7120da09684b205c4efecdbc44f35573664693acadb6361db18dd3a58cbece83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Antifeedants</topic><topic>Biocompatibility</topic><topic>Biological activity</topic><topic>Biomedical and Life Sciences</topic><topic>Carvone</topic><topic>Cineole</topic><topic>Cinnamaldehyde</topic><topic>Citronellal</topic><topic>Entomology</topic><topic>Eugenol</topic><topic>Exposure</topic><topic>Farnesol</topic><topic>Inhibitors</topic><topic>Insecticides</topic><topic>Larvae</topic><topic>Larval development</topic><topic>Life Sciences</topic><topic>Metabolites</topic><topic>Monoterpenes</topic><topic>Morality</topic><topic>Original Research Article</topic><topic>Pesticides</topic><topic>Pests</topic><topic>Secondary metabolites</topic><topic>Sesquiterpenes</topic><topic>Spodoptera littoralis</topic><topic>Terpenes</topic><topic>Terpinene</topic><topic>Toxicity</topic><topic>α-Amylase</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Abdelgaleil, Samir A. M.</creatorcontrib><creatorcontrib>Abou-Taleb, Hamdy K.</creatorcontrib><creatorcontrib>Al-Nagar, Nagwa M. A.</creatorcontrib><creatorcontrib>Shawir, Mohamed S.</creatorcontrib><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Chemoreception Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Virology and AIDS Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>International journal of tropical insect science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Abdelgaleil, Samir A. M.</au><au>Abou-Taleb, Hamdy K.</au><au>Al-Nagar, Nagwa M. A.</au><au>Shawir, Mohamed S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Antifeedant, growth regulatory and biochemical effects of terpenes and phenylpropenes on Spodoptera littoralis Boisduval</atitle><jtitle>International journal of tropical insect science</jtitle><stitle>Int J Trop Insect Sci</stitle><date>2020-06-01</date><risdate>2020</risdate><volume>40</volume><issue>2</issue><spage>423</spage><epage>433</epage><pages>423-433</pages><issn>1742-7592</issn><issn>1742-7584</issn><eissn>1742-7592</eissn><abstract>Screening the biological activities of plant secondary metabolites on economic pests can lead to discovery new ecofriendly biopesticides. The aim of this work was to evaluate the antifeedant, growth inhibitory and toxic activities of seven monoterpenes, two phenylpropenes and two sesquiterpenes on 2nd larval instar of
Spodoptera littoralis
. The tested compounds induced a significant antifeedant effect at various concentrations (500, 1000 and 2000 mg/kg), particularly after 6 and 9 days of exposure. Among the tested compounds,
trans
-cinnamaldehyde,
α
-terpinene, (−)-citronellal and 1,8-cineole were the most potent antifeedants after the three exposure periods. In general the tested compounds showed remarkable antifeedant activity after 9 days of exposure as their antifeedant indices ranged between 44.0 and 80.1%. On the other hand, the tested compounds drastically inhibited the growth of
S. littoralis
larvae at the tested concentrations. The larval growth inhibition ranged between 21.4 and 100% with cuminaldehyde, 1,8-cineole and eugenol being the most potent growth inhibitors. Some of the tested compounds caused significantly higher antifeedant and growth inhibitory effects than a reference insecticide, pyriproxifen. In general, the tested compounds showed higher growth inhibition than antifeedant effect. The tested compound also induced
S. littoralis
larval morality which improved with increasing exposure time and concentration. Cuminaldehyde, 1,8-cineole and (−)-carvone showed highest toxicity with 100.0, 97.0 and 77.0% mortality, respectively, at 2000 mg/kg after 9 days of exposure. Biochemical studies revealed that
trans
-cinnamaldehyde (IC
50
= 0.03 mM), farnesol (IC
50
= 0.04 mM) and eugenol (IC
50
= 0.06 mM) are potent α-amylase inhibitors. These three compounds also caused significant inhibition of total proteases activity. This is the first report on antifeedant, growth inhibitory and insecticidal activities of the tested compounds on
S. littoralis
. Moreover, the strong bioactivity reported in this study indicated that these compounds have a potential to be used as bioinsecticides.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s42690-019-00093-8</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-8819-8810</orcidid></addata></record> |
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| subjects | Antifeedants Biocompatibility Biological activity Biomedical and Life Sciences Carvone Cineole Cinnamaldehyde Citronellal Entomology Eugenol Exposure Farnesol Inhibitors Insecticides Larvae Larval development Life Sciences Metabolites Monoterpenes Morality Original Research Article Pesticides Pests Secondary metabolites Sesquiterpenes Spodoptera littoralis Terpenes Terpinene Toxicity α-Amylase |
| title | Antifeedant, growth regulatory and biochemical effects of terpenes and phenylpropenes on Spodoptera littoralis Boisduval |
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