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| Description
| - Insecticidal activity of methanol extracts from 18 species of medicinal plants was tested on 3rd instar larvae of the Egyptian cottonworm {Spodoptera littoralis). All extracts were toxic to larvae. Extracts from Ocimum basilicum, Origanum majorana, Piceaexcelsa and Salvia officinalis were highly toxic (LCM -1.7, 3.6, 4.1 and 4.7 μg/ml, respectively). Extracts from Melilotus officinalis, Pinus silvestris, Taraxacum officinalis and Achillea ptarmica were moderately toxic (LC50 - 5.6, 7.3, 8.4 and 9.microg/ml, respectively). The relative growth rate, consumption of food and conversion efficiency of the digested food were calculated. Clear correlations were found between weight increase, quantity of ingested food, and the quantity of excrements produced during the whole assay period. These results indicate an antifeedant property of the tested extracts.
- Insecticidal activity of methanol extracts from 18 species of medicinal plants was tested on 3rd instar larvae of the Egyptian cottonworm {Spodoptera littoralis). All extracts were toxic to larvae. Extracts from Ocimum basilicum, Origanum majorana, Piceaexcelsa and Salvia officinalis were highly toxic (LCM -1.7, 3.6, 4.1 and 4.7 μg/ml, respectively). Extracts from Melilotus officinalis, Pinus silvestris, Taraxacum officinalis and Achillea ptarmica were moderately toxic (LC50 - 5.6, 7.3, 8.4 and 9.microg/ml, respectively). The relative growth rate, consumption of food and conversion efficiency of the digested food were calculated. Clear correlations were found between weight increase, quantity of ingested food, and the quantity of excrements produced during the whole assay period. These results indicate an antifeedant property of the tested extracts. (en)
- Insekticidní účinky metylalkoholových výtažků z 18 druhů léčivých rostlin byly testované na larvách třetího instaru blýskavky (Spodoptera littoralis). Všechny výtažky vykázaly insekticidní aktivitu. Nicméně, byly zjištěné rozdíly mezi jednotlivými druhyrostlin. Výtažky z Ocimum basilicum, Origanum majorana, Picea exelsa a Salvia officinalis byly vysoce jedovaté (LC5o 1,7; 3,6; 4,1 a 4,7 mikrog/ml). Výtažky z Melilotus officinalis, Pinus silvestris, Taraxacum officinalis a Achillea ptarmica byly střednějedovaté (LC5o 5,6; 7,3; 8,4 a 9,1 mikrog/ml). Pro všechny výtažky byly zjištěny indexy; index relativního růstu larev, indexy spotřeby a využití potravy a indexy využitelnosti potravy k růstu larvami S. littoralis. Výsledky ukazují na převážně antifidantní účinky většiny testovaných extraktů. (cs)
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| Title
| - Potential Insecticidal Activity of Extracts from 18 Species of Medicinal Plants on Larvae of Spodoptera littoralis
- Potential Insecticidal Activity of Extracts from 18 Species of Medicinal Plants on Larvae of Spodoptera littoralis (en)
- Potenciální insekticidní účinky extraktů získaných z 18 druhů léčivých rostlin proti housenkám Spodoptera littoralis (cs)
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| skos:prefLabel
| - Potential Insecticidal Activity of Extracts from 18 Species of Medicinal Plants on Larvae of Spodoptera littoralis
- Potential Insecticidal Activity of Extracts from 18 Species of Medicinal Plants on Larvae of Spodoptera littoralis (en)
- Potenciální insekticidní účinky extraktů získaných z 18 druhů léčivých rostlin proti housenkám Spodoptera littoralis (cs)
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| skos:notation
| - RIV/00027006:_____/04:#####120!RIV06-MZE-00027006
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| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/00027006:_____/04:#####120
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - plant extract, medicinal plants, Spodoptera littoralis, insecticidal activity (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
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| http://linked.open...n/vavai/riv/zamer
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