Bioactivity of Essential Oil from Zingiber officinale (Zingiberaceae) Against Three Stored-Product Insect Species

The indiscriminate use of synthetic pesticides has given rise to many serious problems, including toxicity to nontarget organisms, development of pest resistance and resurgence and environmental contamination. So during past three decades, the scientists have looked for less persistent and biodegrad...

Full description

Saved in:
Bibliographic Details
Published in:Journal of essential oil-bearing plants (Dehra Dun) 2012, Vol.15 (1), p.122-133
Main Authors: Maedeh, Mollaei, Hamzeh, Izadi, Hossein, Dashti, Majid, Azizi, Reza, Ranjbar Karimi
Format: Article
Language:English
Subjects:
adults
air
contact toxicity
Ephestia kuehniella
essential oil crops
essential oils
exposure duration
fumigant toxicity
fumigants
insects
larvae
lethal concentration 50
mortality
nontarget organisms
oils
pest resistance
pesticides
pests
Plodia interpunctella
pollution
repellency
scientists
toxicity
Tribolium castaneum
Zingiber officinale
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The indiscriminate use of synthetic pesticides has given rise to many serious problems, including toxicity to nontarget organisms, development of pest resistance and resurgence and environmental contamination. So during past three decades, the scientists have looked for less persistent and biodegradable alternatives. Essential oils from aromatic plants are recognized as proper alternatives. In this experiment, toxicity of Zingiber officinale (Roscoe) essential oil that was isolated via hydrodistillation was investigated against adults of the red flour beetle, Tribolium castaneum (Herbst) and larvae of the Mediterranean flour moth, Ephestia kuehniella (Zell.) and Indianmeal moth, Plodia interpunctella (Hübner). Repellency of this oil on all the three pest species adults was also studied. In determination of fumigant toxicity, the LC₅₀ value for T. castaneum was calculated 374.95 μL/L air after 48 hr of exposure. As well, LC₅₀ for E. kuehniella and P. interpunctella after 9 hr were calculated 258.95 and 69.05 μL/L air, respectively. In contact toxicity assay, LC₅₀ value for E. kuehniella and P. interpunctella were determined as 0.61 and 0.81 μL/cm², respectively. Relationship between exposure time and oil concentration on mortality of all species indicated that mortality was increased by increasing of the oil concentration and exposure time. Repellency of this oil on all the insect species was significant.
ISSN:0976-5026
0972-060X
0976-5026
DOI:10.1080/0972060X.2012.10644028