Abstract
The aim of the research is to evaluate the effectiveness of ionizing radiation on pests of grain and its products. The task is to develop a method for the control of pests of products of grain origin, such as Sitophilus granarius L. and Tribolium confusum Duv. before storing them. According to the literature, the features of sterilizing and lethal effects on insects of ionizing radiation in various doses have been studied and the disinsection process has been developed in an industrial installation. Irradiation of insects with gamma rays or accelerated electrons in certain doses causes their sexual sterilization. Sterile males, mating with fertile females, lead the latter to sterility. This phenomenon provides partial protection of the radiation-disinfected grain from re-colonization by insects during the life of the sterile population. The advantages of radiation processing of agricultural products over chemical ones are lower cost, no danger of contamination of products, high performance technology with continuous irradiation on the stream. At the same time, we took into account the effects of radiation treatment on the biological indicators of the remaining living pests (weevils and mealworm) of stocks after treatment. In all the variants, the number of insects remaining in live after 14 days after irradiation was 30.5-54.3%, and after 20 days - 26.9-39.7%, in the control90-100%, respectively. According to our data, it was determined that during radiation treatment with the indicated doses, the duration of the life cycle of beetles and their fecundity are reduced. The treatment at the electron accelerator ILU-10 with selected doses proved to be effective for the destruction of the weevils (Sitophilus granarius L.) and the mealworm (Tribolium confusum Duv.) in the products under study.
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