Insecticidal biologics based on tobacco production wastes

   A method is proposed to involve unused waste of tobacco factories of Belarus - tobacco dust – in the production of an effective biological preparation of insecticidal action. The technology of preparation production consists in chemical processing of tobacco raw materials, during which biologically active compounds, including alkaloids, are transferred into the solution and secondary chemical processes of synthesis of melanoidin nature compounds with growth-stimulating effect take place. In field experiments high biological efficiency of the preparation against rapeseed flower-eater 69.2–70.7 % seed borer – 52.6–82.1, seed cabbage midge – 41.3–68.2 % was established. Its application provided an increase in oilseed yield of winter rape by 19.1–21.7 %, spring rape – by 17.4–19.3, and an increase in their oil content of 1.1–2.4 %.

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