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Abstract

The increased cultivation of highbush blueberry in Poland has been paralleled with enhanced

damage to this crop by different pests and diseases, including soft scales. We have

carried out trials to assess methods for controlling soft scales of the genus Parthenolecanium

in highbush blueberry grown in open fields or under a plastic tunnel, with an approach

based on integrated pest management (IPM) principles. The reduction of Lecanium

scale population using alternative products, with mechanical mechanisms of action, was

similar to that achieved with treatments of different formulations of neonicotinyl-based

pesticides; sometimes they were even more effective on protected crops. Control programs

on plantations with a large population of Lecanium scales based on the application of these

alternative products in spring and at harvest time and chemical compounds in autumn resulted

in a very high efficacy and are considered the most suitable strategies to assure yields

without residues and a reduced impact on the environment.

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Authors and Affiliations

Małgorzata Tartanus
Eligio Malusa
Daniel Sas
Barbara Łabanowska

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