Efficiency of the Gamma Irradiation in Controlling the Red Flour Beetles, Tribolium castaneum Herbst, and Preventing Its Secondary Infestations

T. M. Sileem, S. Mohamed, E. Mahmoud
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引用次数: 3

Abstract

The present study was carried out to investigate the effect of different doses of gamma irradiation (0, 50,100,500 and 1000 Gy) on the mortality percentage of both of larvae and adult stages of the red flour beetle, Tribolium castaneum Herbst. (Coleoptera- Tenebrionidae). Also, the effect of gamma irradiation on both of the Quinones secretion and the microflora associated with the pest stages was investigated. The results showed that the incremental of adult and larval mortality percentages were significant (P <0.05) affected by an increment of gamma irradiation dose. The results of Gas chromatography-mass spectrometry patterns exhibited a strong inhibitory effect of irradiation on Quinones secreted by both stages. The used doses succeed in reducing the count of microflora were associated with both larval and adult stages. This reduction reached zero for fungi and bacteria isolated from the surface at the dose 1000 Gy. Obtained data suggested that the irradiation of red flour beetles with 1000 Gy is a promising tool for the control of this destructive pest and prevent its harmful effects associated with its infestation.
伽玛辐射对红粉甲虫的防治效果及预防其二次侵染
本文研究了不同剂量γ辐射(0、50、100、500和1000 Gy)对红粉甲虫幼虫和成虫死亡率的影响。(鞘翅目- Tenebrionidae)。此外,还研究了γ辐照对醌类化合物分泌和与虫害阶段相关的微生物群的影响。结果表明,γ辐照剂量的增加对成虫和幼虫的死亡率有显著影响(P <0.05)。气相色谱-质谱分析结果显示辐照对两个阶段分泌的醌类化合物均有较强的抑制作用。成功减少菌群数量的剂量与幼虫期和成虫期都有关。在1000戈瑞的剂量下,从表面分离的真菌和细菌的这种减少达到零。已获得的数据表明,1000 Gy照射红粉甲虫是一种很有前途的防治方法,可以预防红粉甲虫侵染造成的有害影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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