Fumigant effect of essential oils on mortality and fertility of thrips Frankliniella occidentalis Perg
Jazyk angličtina Země Německo Médium print-electronic
Typ dokumentu časopisecké články
Grantová podpora
QK1910103
Ministry of Agriculture of the Czech Republic
PubMed
31446593
DOI
10.1007/s11356-019-06239-y
PII: 10.1007/s11356-019-06239-y
Knihovny.cz E-zdroje
- Klíčová slova
- Botanical insecticides, Essential oils, Fumigant toxicity, Greenhouse, Sublethal effect, Thrips,
- MeSH
- fertilita účinky léků MeSH
- insekticidy farmakologie MeSH
- máta polej chemie MeSH
- oleje prchavé chemie farmakologie MeSH
- Thymus (rostlina) chemie MeSH
- Thysanoptera účinky léků fyziologie MeSH
- vykuřování MeSH
- zvířata MeSH
- Check Tag
- ženské pohlaví MeSH
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
- Názvy látek
- insekticidy MeSH
- oleje prchavé MeSH
The western flower thrips (Frankliniella occidentalis Perg.) is one of the most economically important insect pests of greenhouse plants. Plant protection against this pest is based predominantly on synthetic insecticides; however, this form of protection poses problems in terms of thrip resistance to the active substances, along with health risks associated with insecticide residues on the treated plants. Therefore, new active substances need to be sought. Essential oils could be a new, appropriate, and safe alternative for greenhouse culture protection. As greenhouses are enclosed areas, fumigation application of EOs is possible. This paper presents acute toxicity results for 15 commercial EOs applied by fumigation, as well as the effect of sublethal concentrations on fertility of F. occidentalis females. The most efficient EOs were obtained from Mentha pulegium and Thymus mastichina, with LC50(90) estimated as 3.1(3.8) and 3.6 (4.6) mg L-1 air, respectively. As found for the very first time, sublethal concentrations of EOs could result in a significant reduction in the fertility of surviving T. occidentalis females. Among the tested EOs, the EO from Nepeta cataria provided the highest inhibition of fertility, with EC50(90) estimated as 0.18 (0.36) mg L-1 air. Chemical composition of the most efficient EOs and possible applications of the results in practice are discussed. In conclusion, in light of the newly determined facts, EOs can be recommended as active substances for botanical insecticides to be applied against Thysanopteran pests by fumigation.
All Russian Institute of Plant Protection Podbelsky sh 3 St Petersburg Pushkin Russia 196608
Crop Research Institute Drnovska 507 161 06 Prague 6 Ruzyne Czech Republic
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