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The purpose of research is creation of conditions for the formation of self-regulating entomocomplexes in agrocenoses with a significant competitive relations in the cultivation of spring wheat in the non-use of insecticides against pests. Insects was collected with an entomological net for 25-50 flaps in triple repeated in period of vegetation of wheat. In the conditions of the non-use of insecticides of entomokomplexes included insects-phytophagous which are potential vectors of viruses, phytoplasmas; suctorial and gnawing phytofagous; insects are developing inwardly wheat stems; entomophagous. Entomophagous regulating the density of phytophagous were represented by predators and parasites. In 2013-2016 Phyllotreta vittula, Oscinella pusilla, O. frit had a high density in the stage of seedling growth, Haplothrips tritici – in the stage of stem elongation of spring wheat. Against pests of seedlings in terms of their high density recommended for pre-treatment of seeds of spring wheat before sowing by system insecticide Cruiser, KC, without a negative impact on useful entomofauna of the agro-ecosystems. To the head emergence stage of spring wheat and the beginning of oviposition of Haplothrips tritici, its population was effectively reduced by Aeolothrips pascidutus. Development of cereal aphids was annualy kept Hippodamia variegata (Coccinellidae).

About the authors

Vladimir Grigor'evich Kaplin

Samara State Agricultural Academy

профессор; доктор биологических наук; профессор; кафедра «Растениеводство и земледелие» The Russian Federation, Samara


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Copyright (c) 1970 Kaplin V.G.

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