EFFECTS OF JUVENOID HORMONE, PYRIPROXIFEN, ON GERMAN COCKROACH (ISFAHAN'S STRAIN; DICTYOPTERA: EPILAMPRIDAE; BLATTELLA GERMANICA)

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FATHPOUR H.; MIR T.

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Journal: RESEARCH JOURNAL OF UNIVERSITY OF ISFAHAN "SCIENCE" Year:2003 | Volume:17 | Issue:1 Page(s): 87-102

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Title

EFFECTS OF JUVENOID HORMONE, PYRIPROXIFEN, ON GERMAN COCKROACH (ISFAHAN'S STRAIN; DICTYOPTERA: EPILAMPRIDAE; BLATTELLA GERMANICA)

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FATHPOUR H. | MIR T. | Issue Writer Certificate

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Abstract

German cockroach is one of the most common pest species, and it is the carrier of different kinds of fungi, viruses, and pathogenic bacteria. In addition, it causes allergy in household environments. So, control of these insects is very important from the point of public health. One of the relatively new methods for controlling German cockroach is application of growth regulating substances, especially juvenoids. In this study, the effects of juvenoid hormone, pyriproxyfen, on German cockroach has been investigated. After studying the life cycle of the cockroach, the nymphs of the fifth instar were treated with the different concentrations of pyriproxyfen added to their meal. The concentrations of juvenoid hormones were 10, 30, 100, 300 ppm, respectively. Each experiment was repeated for three times, and for each one a group of control was set up. A total of 45 insects were used for each concentration. Pyriproxyfen was found to be effective in inducing morphogenetic wing deformation abnormalities on both sexes of the cockroach. The juvenoid effective dose (ED 50) for 50% wing twisting and 50% sterlity in German cockroaches were 56.45 and 50 ppm, respectively. In addition, the probability of twisted wing and the sterlity were increased with the addition of pyriproxifen concentration; the percentage of twisted wing and sterlity in 10ppm were, respectively, 0%, 21% (for males) and 7.7%,19.2% (for females), and in 300 ppm for males 87%, 91.3% and for females 85.7% and 85.7%. But, on those insects which fertilization and production of ootheca were occurred, no significant differences were observed between treated and control insects in the number of nymphs.

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APA: Copy

FATHPOUR, H., & MIR, T.. (2003). EFFECTS OF JUVENOID HORMONE, PYRIPROXIFEN, ON GERMAN COCKROACH (ISFAHAN'S STRAIN; DICTYOPTERA: EPILAMPRIDAE; BLATTELLA GERMANICA). RESEARCH JOURNAL OF UNIVERSITY OF ISFAHAN "SCIENCE", 17(1), 87-102. SID. https://sid.ir/paper/55860/en

Vancouver: Copy

FATHPOUR H., MIR T.. EFFECTS OF JUVENOID HORMONE, PYRIPROXIFEN, ON GERMAN COCKROACH (ISFAHAN'S STRAIN; DICTYOPTERA: EPILAMPRIDAE; BLATTELLA GERMANICA). RESEARCH JOURNAL OF UNIVERSITY OF ISFAHAN "SCIENCE"[Internet]. 2003;17(1):87-102. Available from: https://sid.ir/paper/55860/en

IEEE: Copy

H. FATHPOUR, and T. MIR, “EFFECTS OF JUVENOID HORMONE, PYRIPROXIFEN, ON GERMAN COCKROACH (ISFAHAN'S STRAIN; DICTYOPTERA: EPILAMPRIDAE; BLATTELLA GERMANICA),” RESEARCH JOURNAL OF UNIVERSITY OF ISFAHAN "SCIENCE", vol. 17, no. 1, pp. 87–102, 2003, [Online]. Available: https://sid.ir/paper/55860/en

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