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Your Position :Home->Past Journals Catalog->2010年47 No.5

Irradiation effect of electron beam on the survival rate and reproduction for Liposcelis entomophila
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Key Words:electronic beam, irradiation, Liposcelis entomophila, survival rate, reproduction
Abstract:           The effects of irradiation with an electronic beam from a high frequency accelerator, ИЛУ-6М2, on three developmental stages of Liposcelis entomophila (Enderlein) were measured at doses of 0,25,50,100,200,300,400,500,1 000 Gy for adults and nymphs, and that of 0,25,50,100,200,300,400,500 Gy for eggs. The results indicate that the egg stage was most sensitive to irradiation; eggs exposed to a dose of 50 Gy had zero hatching and survival. Adults were the most tolerant to irradiation; their survival rates being negatively correlated with increasing dosages (300,400,500,1 000 Gy). Complete mortality of adults and nymphs irradiated by 300 Gy could be observed eight and six weeks after treatment, respectively. Therefore, a dosage of 300 Gy is recommended for effective psocid control. Doses of 50,100,200,300,400 and 500 Gy can heavily suppress reproduction in this insect. There should no reproduction following irradiation at doses above 300 Gy.
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