Short-Exposure Biological Activity of Dichlorvos Insecticide Strips on Coleopteran Storage Pests under Two Evaporation Regimes: Can Slow-Release Dichlorvos Formulations Replace Aerosols?

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00027006%3A_____%2F19%3A00005402" target="_blank" >RIV/00027006:_____/19:00005402 - isvavai.cz</a>

Výsledek na webu

<a href="https://researcherslinks.com/current-issues/Short-Exposure-Biological-Activity-of-Dichlorvos/20/1/1997" target="_blank" >https://researcherslinks.com/current-issues/Short-Exposure-Biological-Activity-of-Dichlorvos/20/1/1997</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.17582/journal.pjz/2019.51.2.475.482" target="_blank" >10.17582/journal.pjz/2019.51.2.475.482</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Short-Exposure Biological Activity of Dichlorvos Insecticide Strips on Coleopteran Storage Pests under Two Evaporation Regimes: Can Slow-Release Dichlorvos Formulations Replace Aerosols?

Popis výsledku v původním jazyce

Because of new restrictive DDVP regulations we investigated efficacy of short exposures of slow- release DDVP strips from the perspective of increasing the human safety. Therefore, we determined efficacy of 1-, 6-, and 24-h DDVP (evaporation rate: 0.15 +/- 0.02 g.day(-1)) strip exposures on 5 stored-product pests, namely, Tribolium castaneum, Oryzaephilus surinamensis, Cryptolestes ferrugineus, Rhyzopertha dominica and Sitophilus granarius in an experimental chamber. We tested two DDVP evaporation regimes from the strips, namely, "preventive" and "repressive". In the "preventative" regime, the strips are introduced 168 h before pest exposure whereas in the "repressive" regime strips are introduced concurrently with pests. Based on our data, mortalities ranged from 0 to 100% depending on species. The most sensitive species was O. surinamensis whereas the most tolerant was R. dominica. At 1- and 4-h exposure periods, there were significant differences in mortality between repressive and preventive regimes. However, no differences between regimes existed for 24-h exposure. Our data show that short term exposure to DDVP strips have suppression effect for O. surinamensis but cannot fully replace long term exposure of strips or high dose DDVP aerosols for T castaneum, C. ferrugineus, R. dominica and S. granarius.

Název v anglickém jazyce

Short-Exposure Biological Activity of Dichlorvos Insecticide Strips on Coleopteran Storage Pests under Two Evaporation Regimes: Can Slow-Release Dichlorvos Formulations Replace Aerosols?

Popis výsledku anglicky

Because of new restrictive DDVP regulations we investigated efficacy of short exposures of slow- release DDVP strips from the perspective of increasing the human safety. Therefore, we determined efficacy of 1-, 6-, and 24-h DDVP (evaporation rate: 0.15 +/- 0.02 g.day(-1)) strip exposures on 5 stored-product pests, namely, Tribolium castaneum, Oryzaephilus surinamensis, Cryptolestes ferrugineus, Rhyzopertha dominica and Sitophilus granarius in an experimental chamber. We tested two DDVP evaporation regimes from the strips, namely, "preventive" and "repressive". In the "preventative" regime, the strips are introduced 168 h before pest exposure whereas in the "repressive" regime strips are introduced concurrently with pests. Based on our data, mortalities ranged from 0 to 100% depending on species. The most sensitive species was O. surinamensis whereas the most tolerant was R. dominica. At 1- and 4-h exposure periods, there were significant differences in mortality between repressive and preventive regimes. However, no differences between regimes existed for 24-h exposure. Our data show that short term exposure to DDVP strips have suppression effect for O. surinamensis but cannot fully replace long term exposure of strips or high dose DDVP aerosols for T castaneum, C. ferrugineus, R. dominica and S. granarius.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10616 - Entomology

Projekt

<a href="/cs/project/QJ1530373" target="_blank" >QJ1530373: Integrovaná ochrana obilnin proti patogenům, plevelům a škůdcům pro udržitelné produkce potravin, krmiv a surovin</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2019

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Pakistan Journal of Zoology

ISSN

0030-9923

e-ISSN

—

Svazek periodika

51

Číslo periodika v rámci svazku

2

Stát vydavatele periodika

PK - Pákistánská islámská republika

Počet stran výsledku

8

Strana od-do

475-482

Kód UT WoS článku

000461147800009

EID výsledku v databázi Scopus

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