Susceptibility of eggs and larvae of tomato leafminer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) to some insecticides
Use of pesticides as an important part of integrated pest management programs has principal role in control of tomato leafminer, Tuta absoluta (Meyrick). Therefore, evaluating the efficacy of insecticides and introducing new effective compounds are important for management of this pest. Eggs and 2nd...
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| Format: | Article |
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Entomological Society of Iran
2020-02-01
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| Series: | نامه انجمن حشرهشناسی ایران |
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| Online Access: | https://jesi.areeo.ac.ir/article_121101_b6e08952165fb4d9cc2e64522a9b5392.pdf |
| _version_ | 1797973808645144576 |
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| author | Solmaz Khani M. J. Hejazi R. Karimzadeh |
| author_facet | Solmaz Khani M. J. Hejazi R. Karimzadeh |
| author_sort | Solmaz Khani |
| collection | DOAJ |
| description | Use of pesticides as an important part of integrated pest management programs has principal role in control of tomato leafminer, Tuta absoluta (Meyrick). Therefore, evaluating the efficacy of insecticides and introducing new effective compounds are important for management of this pest. Eggs and 2nd instar larvae of tomato leafminer are the main stages exposed to insecticide sprayings. This study was conducted to determine the susceptibility of eggs and 2nd instar larvae of T. absoluta to five insecticides. LC50 values obtained for spinosad, chlorantraniliprole, indoxacarb, abamectin, and zeta-cypermethrin for 2nd instar larvae were 0.08, 0.09, 10.8, 0.29 and 232.2 mg ai/L respectively. The eggs were treated with LC50s of these insecticides for 2nd instar larvae to assess their ovi-larvicidal effects. Mortality of the egg/neonates in chlorantraniliprole, spinosad, indoxacarb, abamectin, zeta-cypermethrin treatments and control were 88.8, 76.8, 58.1, 35, 50.5 and 14.6 %, respectively. The results revealed that spinosadand chlorantraniliprole had strong ovicidal and larvicidal activities; and if perform equally well in large scale greenhouse and field conditions, they may be considered in T. absoluta management programs. |
| first_indexed | 2024-04-11T04:10:07Z |
| format | Article |
| id | doaj.art-da514a92f66b4c1db1da9087579db119 |
| institution | Directory Open Access Journal |
| issn | 0259-9996 2783-3968 |
| language | English |
| last_indexed | 2024-04-11T04:10:07Z |
| publishDate | 2020-02-01 |
| publisher | Entomological Society of Iran |
| record_format | Article |
| series | نامه انجمن حشرهشناسی ایران |
| spelling | doaj.art-da514a92f66b4c1db1da9087579db1192023-01-01T10:05:37ZengEntomological Society of Iranنامه انجمن حشرهشناسی ایران0259-99962783-39682020-02-0139439340210.22117/jesi.2019.126109.1308121101Susceptibility of eggs and larvae of tomato leafminer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) to some insecticidesSolmaz Khani0M. J. Hejazi1R. Karimzadeh2Department of Plant Protection, Faculty of Agriculture, University of Tabriz, Tabriz, IranDepartment of Plant Protection, Faculty of Agriculture, University of Tabriz, Tabriz, IranDepartment of Plant Protection, Faculty of Agriculture, University of Tabriz, Tabriz, IranUse of pesticides as an important part of integrated pest management programs has principal role in control of tomato leafminer, Tuta absoluta (Meyrick). Therefore, evaluating the efficacy of insecticides and introducing new effective compounds are important for management of this pest. Eggs and 2nd instar larvae of tomato leafminer are the main stages exposed to insecticide sprayings. This study was conducted to determine the susceptibility of eggs and 2nd instar larvae of T. absoluta to five insecticides. LC50 values obtained for spinosad, chlorantraniliprole, indoxacarb, abamectin, and zeta-cypermethrin for 2nd instar larvae were 0.08, 0.09, 10.8, 0.29 and 232.2 mg ai/L respectively. The eggs were treated with LC50s of these insecticides for 2nd instar larvae to assess their ovi-larvicidal effects. Mortality of the egg/neonates in chlorantraniliprole, spinosad, indoxacarb, abamectin, zeta-cypermethrin treatments and control were 88.8, 76.8, 58.1, 35, 50.5 and 14.6 %, respectively. The results revealed that spinosadand chlorantraniliprole had strong ovicidal and larvicidal activities; and if perform equally well in large scale greenhouse and field conditions, they may be considered in T. absoluta management programs.https://jesi.areeo.ac.ir/article_121101_b6e08952165fb4d9cc2e64522a9b5392.pdfchlorantraniliprolespinosadzeta-cypermethrinindoxacarbabamectin |
| spellingShingle | Solmaz Khani M. J. Hejazi R. Karimzadeh Susceptibility of eggs and larvae of tomato leafminer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) to some insecticides نامه انجمن حشرهشناسی ایران chlorantraniliprole spinosad zeta-cypermethrin indoxacarb abamectin |
| title | Susceptibility of eggs and larvae of tomato leafminer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) to some insecticides |
| title_full | Susceptibility of eggs and larvae of tomato leafminer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) to some insecticides |
| title_fullStr | Susceptibility of eggs and larvae of tomato leafminer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) to some insecticides |
| title_full_unstemmed | Susceptibility of eggs and larvae of tomato leafminer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) to some insecticides |
| title_short | Susceptibility of eggs and larvae of tomato leafminer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) to some insecticides |
| title_sort | susceptibility of eggs and larvae of tomato leafminer tuta absoluta meyrick lepidoptera gelechiidae to some insecticides |
| topic | chlorantraniliprole spinosad zeta-cypermethrin indoxacarb abamectin |
| url | https://jesi.areeo.ac.ir/article_121101_b6e08952165fb4d9cc2e64522a9b5392.pdf |
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