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Journal of Crop Protection، جلد ۵، شماره ۱، صفحات ۱۳۱-۱۳۸
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عنوان انگلیسی Virulence of Iranian isolates of Metarhizium anisopliae on western flower thrips, Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae)
چکیده انگلیسی مقاله The Western flower thrips Frankliniella occidentalis, an important greenhouse pest, has acquired rapid resistance to the chemical pesticides. Therefore, biological control is worth consideration as an alternative control method. Among the biological control agents, entomopathogenic fungi showed to be quite successful in some occasions. In this study, three Iranian isolates of Metarhizium anisopliae (‘DEMI001’, ‘DEMI002’ and ‘DEMI003’) were bioassayed for their lethal effects on the adults of the F. occidentalis, in vitro. The ‘DEMI002’ and ‘DEMI003’ had the lowest and highest LC50 at concentrations of 3.06 ´ 104 and 1.90 ´ 105 conidia/ml, respectively. Also, the isolate ‘DEMI002’ had the lowest LT50 of 4.39 ± 2.13 days at the concentration of 106 conidia/ml. The mean comparison showed that there was a significant difference between DEMI002 and DEMI003 in terms of virulence at most of the concentrations. Consequently, the ‘DEMI002’ can be considered as a promising tool in biological control programs of the F. occidentalis.
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نویسندگان مقاله نازنین koupi |
iranian research institute of plant protection, agricultural research, education and extension organization areeo , tehran, iran.

مهران قضاوی |
iranian research institute of plant protection, agricultural research, education and extension organization areeo , tehran, iran.

کریم کمالی |
department of entomology, faculty of agriculture, tarbiat modares university, tehran, iran.
سازمان اصلی تایید شده: دانشگاه تربیت مدرس (Tarbiat modares university)

ولی اله بنی عامری |
iranian research institute of plant protection, agricultural research, education and extension organization areeo , tehran, iran.

نشانی اینترنتی http://jcp.modares.ac.ir/article_13975_61799ffc7061e1d60c5be42a348b9e9a.pdf
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