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Journal of Agricultural Science and Technology، جلد ۱۷، شماره ۵، صفحات ۱۲۲۳-۱۲۳۲
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عنوان انگلیسی Toxicity and Repellency Effects of Three Plant Essential Oils Against Two-spotted Spider Mite, Tetranychus urticae (Acari: Tetranychidae)
چکیده انگلیسی مقاله To introduce ecologically safe acaricide, effects of essential oils derived from Cuminum cyminum (Cumin), Syzygium aromaticum (Clove), and Mentha spicata (Spearmint) were determined on Tetranychus urticae at 25±1◦C, 65±5% RH and a photoperiod of 16:8 (L:D) hour. The essential oils extracted by hydro-distillation were characterized by means of GC and GC–MS. Bioassays were performed by filter paper diffusion without allowing direct contact. Cumin, clove, and spearmint oils contained α- Pinene (29.1%), eugenol (78.5%) and carvone (59.4%), respectively, as the major compounds. The lowest LC50value for adults was recorded for cumin oil (3.74 μL L-1 air) followed by clove (6.13 μL L-1 air) and spearmint (7.53 μL L-1 air). The highest ovicidal activity was recorded for cumin oil (LC50= 7.65 μL L-1 air) followed by clove (LC50= 8.73 μL L-1 air) and spearmint (LC50= 9.01 μL L-1 air). According to repellency tests, by increasing concentration of oils, the repellency effects were increased. The most potent repellency effect was recorded for clove, followed by spearmint and cumin oils. The three extracted essential oils seem to be suitable sources of active vapors that can be used as alternatives for chemical pesticides for controlling this pest.
کلیدواژه‌های انگلیسی مقاله Clove,Cumin,Ovicidal activity,Spearmint
نویسندگان مقاله k خردمند |
department of entomology and plant pathology, college of abouraihan, university of tehran, tehran, islamic republic of iran.
سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

s بینقی |
department of entomology and plant pathology, college of abouraihan, university of tehran, tehran, islamic republic of iran.
سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

s عسگری |
agricultural and natural resources research center, tehran, islamic republic of iran.

a شیخی گرجان | sheikhi garjan
iranian research institute of plant protection, tehran, islamic republic of iran.

نشانی اینترنتی http://jast.modares.ac.ir/article_13108_cc759e1f4602a5e63f25c19bb34e3d93.pdf
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