Investigation of the efficiency of plant essential oil, Ferula gummosa Boiss. and Artemisia annua L. on causing the fumigant toxicity on the third instar larva of Plutella xylostella (L.)(Lepidoptera: Plutellidae)
- سال انتشار: 1390
- محل انتشار: دومین همایش ملی مدیریت کنترل آفات
- کد COI اختصاصی: PESTMAN02_048
- زبان مقاله: انگلیسی
- تعداد مشاهده: 1406
نویسندگان
MSc. student, Department of Plant Protection, Faculty of Agricultural Sciences Shahed University,Tehran
MSc. student, Department of Plant Protection, Faculty of Agricultural Sciences Shahed University,Tehran
Assistant Professor, Department of Plant Protection, Faculty of Agricultural Sciences, Shahed University,
چکیده
The diamondback moth, Plutella xylostella is one of the most destructive pests of cruciferous familywhich manage it costs more than one billion dollar, annually. In present study, the effect of fumigant toxicityof two plant essential oils was investigated against third instar larva of P. xylostella. Essential oils wereextracted from the leaves of A. annua and the gum of F. gummosa. Filter paper disks which were attachedinside the lid of the vials with 125 volumes were impregnated by the concentration of 8-72 μl/L air of eachessential oil. Then, 10 third instar larvae of P. xylostella were released on the cabbage leaves which wereplaced at the button of vials. After 24 h from the beginning of experiment, number of alive and dead larvaewas counted. Based on results, essential oils of F. gummosa and A. annua cause fumigant toxicity in the P.xylostella Larvae and in all cases, mortality of larvae was increased with the increases of the concentration ofessential oils. Likewise, computed LC50 values for the essential oils of F. gummosa and A. anuua were 34.11and 23.18 μl/L air, respectively. Comparing the LC50 values indicated that the essential of A. annuasignificantly more toxic than F. gummosa essential oils. Results of present investigation demonstrated theefficiency of essential oils of F. gummosa and A. annua for cause the fumigant toxicity in the larvae of P.xylostellaکلیدواژه ها
Ferula gummosa, Artemisia annua, Diamondback moth, Fumigant toxicityمقالات مرتبط جدید
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