<p><strong>Acaricidal potential of </strong><strong><em>Euphorbia seguieriana </em></strong><strong>and <em>E. helioscopia</em> (Euphorbiaceae) extracts against <em>Tetranychus urticae</em> (Acari: Tetranychidae)</strong></p>
Tetranychus urticae Koch (Acari: Tetranychidae) is one of the most dangerous agricultural pests worldwide. Since this mite has the potential to resist a wide variety of chemical acaricides, finding alternative natural sources for its management is suggested. This study estimated the lethal effect o...
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Acarological Society of Iran
2023-04-01
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| Series: | Persian Journal of Acarology |
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| Online Access: | https://www.biotaxa.org/pja/article/view/76943 |
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| author | Leila Hemmat-Jou Shima Rahmani Marzieh Ghanbari-Jahromi |
| author_facet | Leila Hemmat-Jou Shima Rahmani Marzieh Ghanbari-Jahromi |
| author_sort | Leila Hemmat-Jou |
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Tetranychus urticae Koch (Acari: Tetranychidae) is one of the most dangerous agricultural pests worldwide. Since this mite has the potential to resist a wide variety of chemical acaricides, finding alternative natural sources for its management is suggested. This study estimated the lethal effect of methanol extracts obtained from two Euphorbiaceae plants against female adults after 24 hours using a spray tower. Probit analysis indicated that LC50 values (95% confidence intervals) of Euphorbia helioscopia and E. seguieriana were 4.54 (3.301–6.644) and 11.66 (8.498–21.043) mg/ml, respectively. Phytochemical analysis of both methanol extracts revealed that the total phenolic content, antioxidant rate, and total flavonoid capacity of E. helioscopia were significantly higher than in E. seguieriana (P < 0.05). In addition, HPLC analysis illustrated that rutin and quercetin content in E. helioscopia were 480 ± 0.01 and 2.73 ± 0.01 µg/ml, and in E. seguieriana, those were 230 ± 0.02 and 2.65 ± 0.01 µg/ml, respectively. According to the bioassay results, the methanol extract of E. helioscopia was 2.5 times more harmful than the methanol extract of E. seguieriana. Also, the metabolite contents with toxic activity in E. helioscopia were higher than in the other plant. Therefore, E. helioscopia may have the potential to act as a pesticide against T. urticae.
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| format | Article |
| id | doaj-art-3cf576029a6a47b28dffcef883fac557 |
| institution | OA Journals |
| issn | 2251-8169 |
| language | English |
| publishDate | 2023-04-01 |
| publisher | Acarological Society of Iran |
| record_format | Article |
| series | Persian Journal of Acarology |
| spelling | doaj-art-3cf576029a6a47b28dffcef883fac5572025-08-20T02:29:13ZengAcarological Society of IranPersian Journal of Acarology2251-81692023-04-0112210.22073/pja.v12i2.76943<p><strong>Acaricidal potential of </strong><strong><em>Euphorbia seguieriana </em></strong><strong>and <em>E. helioscopia</em> (Euphorbiaceae) extracts against <em>Tetranychus urticae</em> (Acari: Tetranychidae)</strong></p>Leila Hemmat-Jou0Shima Rahmani1Marzieh Ghanbari-Jahromi2Department of Horticulture Science and Agronomy, Science and Research Branch, Islamic Azad University, Tehran, IranDepartment of Plant Protection, Science and Research Branch, Islamic Azad University, Tehran, IranDepartment of Horticulture Science and Agronomy, Science and Research Branch, Islamic Azad University, Tehran, Iran Tetranychus urticae Koch (Acari: Tetranychidae) is one of the most dangerous agricultural pests worldwide. Since this mite has the potential to resist a wide variety of chemical acaricides, finding alternative natural sources for its management is suggested. This study estimated the lethal effect of methanol extracts obtained from two Euphorbiaceae plants against female adults after 24 hours using a spray tower. Probit analysis indicated that LC50 values (95% confidence intervals) of Euphorbia helioscopia and E. seguieriana were 4.54 (3.301–6.644) and 11.66 (8.498–21.043) mg/ml, respectively. Phytochemical analysis of both methanol extracts revealed that the total phenolic content, antioxidant rate, and total flavonoid capacity of E. helioscopia were significantly higher than in E. seguieriana (P < 0.05). In addition, HPLC analysis illustrated that rutin and quercetin content in E. helioscopia were 480 ± 0.01 and 2.73 ± 0.01 µg/ml, and in E. seguieriana, those were 230 ± 0.02 and 2.65 ± 0.01 µg/ml, respectively. According to the bioassay results, the methanol extract of E. helioscopia was 2.5 times more harmful than the methanol extract of E. seguieriana. Also, the metabolite contents with toxic activity in E. helioscopia were higher than in the other plant. Therefore, E. helioscopia may have the potential to act as a pesticide against T. urticae. https://www.biotaxa.org/pja/article/view/76943Acute toxicitymethanol extractsecondary metabolitesspurgetwo-spotted spider mite |
| spellingShingle | Leila Hemmat-Jou Shima Rahmani Marzieh Ghanbari-Jahromi <p><strong>Acaricidal potential of </strong><strong><em>Euphorbia seguieriana </em></strong><strong>and <em>E. helioscopia</em> (Euphorbiaceae) extracts against <em>Tetranychus urticae</em> (Acari: Tetranychidae)</strong></p> Persian Journal of Acarology Acute toxicity methanol extract secondary metabolites spurge two-spotted spider mite |
| title | <p><strong>Acaricidal potential of </strong><strong><em>Euphorbia seguieriana </em></strong><strong>and <em>E. helioscopia</em> (Euphorbiaceae) extracts against <em>Tetranychus urticae</em> (Acari: Tetranychidae)</strong></p> |
| title_full | <p><strong>Acaricidal potential of </strong><strong><em>Euphorbia seguieriana </em></strong><strong>and <em>E. helioscopia</em> (Euphorbiaceae) extracts against <em>Tetranychus urticae</em> (Acari: Tetranychidae)</strong></p> |
| title_fullStr | <p><strong>Acaricidal potential of </strong><strong><em>Euphorbia seguieriana </em></strong><strong>and <em>E. helioscopia</em> (Euphorbiaceae) extracts against <em>Tetranychus urticae</em> (Acari: Tetranychidae)</strong></p> |
| title_full_unstemmed | <p><strong>Acaricidal potential of </strong><strong><em>Euphorbia seguieriana </em></strong><strong>and <em>E. helioscopia</em> (Euphorbiaceae) extracts against <em>Tetranychus urticae</em> (Acari: Tetranychidae)</strong></p> |
| title_short | <p><strong>Acaricidal potential of </strong><strong><em>Euphorbia seguieriana </em></strong><strong>and <em>E. helioscopia</em> (Euphorbiaceae) extracts against <em>Tetranychus urticae</em> (Acari: Tetranychidae)</strong></p> |
| title_sort | p strong acaricidal potential of strong strong em euphorbia seguieriana em strong strong and em e helioscopia em euphorbiaceae extracts against em tetranychus urticae em acari tetranychidae strong p |
| topic | Acute toxicity methanol extract secondary metabolites spurge two-spotted spider mite |
| url | https://www.biotaxa.org/pja/article/view/76943 |
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