Effect of Bacillus thuringiensis on Trichogramma brassicae life history parameters

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Vaez Naheed; IRANIPOUR SHAHZAD; HEJAZI MIRJALIL

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Journal: Journal of Applied Research in Plant Protection Year:2020 | Volume:9 | Issue:3 Page(s): 29-45

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Title

Effect of Bacillus thuringiensis on Trichogramma brassicae life history parameters

Author(s)

Vaez Naheed | IRANIPOUR SHAHZAD | HEJAZI MIRJALIL | Issue Writer Certificate

Keywords

Integrated pest managementQ1

EntomopathogenQ1

egg parasitoidQ1

fecundity-life tableQ1

Abstract

Integration of different pest control tactics is a principle in modern pest management. Interaction between different tactics and possible antagonism between them then will become important. A common integration is integration of egg parasitoid, Trichogramma spp. and larvicidal microbial agent, Bacillus thuringiensis against some field crop moth-pests, particularly in bollworm-cotton system. Although sequence of application allows avoiding direct antagonism, but indirect effects on the next generation of the parasitoid via treating the target pest’ s larvae is not impossible. Some direct effect via overlapping of different stages of the pest is also possible. Therefore, studying possible maternal effects on parasitoids of the next generation that are developing on B. t.-treated host larvae is required. In this study, response of T. brassicae, was studied on two kinds of hosts; first bollworm, Helicoverpa armigera eggs laid by those females that treated by LC20 of B. thuringiensis in third instar. The second one control (untreated) individuals. Life history parameters were compared between the two groups by two-sided t-test. No significant difference was observed between the two groups. It means that B. t. had no undesirable effect on T. brassicae. The mean value of R0, rm and T were 41. 22 ± 3. 85 female/female/generation, 0. 3545 ± 0. 009 /d and 10. 49 ± 0. 19 d as average of the two treatments. Thus, B. t. is safe for integration with Trichogramma application programs.

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APA: Copy

Vaez, Naheed, IRANIPOUR, SHAHZAD, & HEJAZI, MIRJALIL. (2020). Effect of Bacillus thuringiensis on Trichogramma brassicae life history parameters. JOURNAL OF APPLIED RESEARCHES IN PLANT PROTECTION, 9(3 ), 29-45. SID. https://sid.ir/paper/390935/en

Vancouver: Copy

Vaez Naheed, IRANIPOUR SHAHZAD, HEJAZI MIRJALIL. Effect of Bacillus thuringiensis on Trichogramma brassicae life history parameters. JOURNAL OF APPLIED RESEARCHES IN PLANT PROTECTION[Internet]. 2020;9(3 ):29-45. Available from: https://sid.ir/paper/390935/en

IEEE: Copy

Naheed Vaez, SHAHZAD IRANIPOUR, and MIRJALIL HEJAZI, “Effect of Bacillus thuringiensis on Trichogramma brassicae life history parameters,” JOURNAL OF APPLIED RESEARCHES IN PLANT PROTECTION, vol. 9, no. 3 , pp. 29–45, 2020, [Online]. Available: https://sid.ir/paper/390935/en

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