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Detection of phosphine resistance in major stored-product insects in Greece and evaluation of a field resistance test kit

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Agrafioti, P., Athanassiou, C. G. and Nayak, M. K. (2019) Detection of phosphine resistance in major stored-product insects in Greece and evaluation of a field resistance test kit. Journal of Stored Products Research, 82 . pp. 40-47. ISSN 0022-474X

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Article Link: https://doi.org/10.1016/j.jspr.2019.02.004

Publisher URL: http://www.sciencedirect.com/science/article/pii/S0022474X18304533


The use of phosphine has been effective against a wide range of stored-product pests in different types of commodities and facilities. However, its continuous and improper use has led to resistance development in -several major insect species. Although phosphine resistance has been reported from many countries across the globe, reports from Europe have been very limited. In the present study, we determined phosphine resistance in insect populations that had been collected from a range of storages across Greece, using two different diagnostic protocols. Apart from the traditional Food and Agriculture Organization (FAO) protocol, a field test kit (known as the Detia Degesch Tolerance Test Kit, DDTTPK) was utilized, for “same day” determination of the resistance status of field collected insects. In total, 53 populations belonging to Rhyzopertha dominica, Sitophilus oryzae, Sitophilus granarius, Cryptolestes ferrugineus, Tribolium confusum, Tribolium castaneum and Oryzaephilus surinamensis were tested. For the majority of the species and populations tested, both FAO and DDPTTK provided similar results, for the susceptibility to phosphine and thus, the quick test could be used with success for an initial same day screening of phosphine resistance. Among the tested species, the populations recorded with the most frequent survival at the FAO testing dose of phosphine was that of R. dominica. The dissimilar evaluation and characterization of resistance to phosphine between diagnostic protocols is particularly important, as it poses risks in the over or underestimation of the resistance status of a given population. Our data indicate that the DDPTTK could be used to determine resistance to phosphine in the field, before the initiation of fumigations to disinfest stored commodities.

Item Type:Article
Business groups:Crop and Food Science
Keywords:Stored product insects Phosphine resistance Resistance diagnostics Greece
Subjects:Agriculture > Agriculture (General) > Storage
Plant pests and diseases > Economic entomology
Plant pests and diseases > Pest control and treatment of diseases. Plant protection > Pesticides
Live Archive:14 May 2019 04:16
Last Modified:03 Sep 2021 16:45

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