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Abstract
Monitoring of plant protection product (PPP) residues in “Golden Delicious” apples was performed in 2011–2013, where 216 active substances were analysed with three analytical methods. Integrated pest management (IPM) production and improved IPM production were compared. Results were in favour of improved IPM production. Some active compounds determined in IPM production (boscalid, pyraclostrobin, thiacloprid and thiametoxam) were not found in improved IPM production. Besides that, in 2011 and 2012, captan residues were lower in improved IPM production. Risk assessment was also performed. Chronic exposure of consumers was low in general, but showed no major differences for IPM and improved IPM production for active substances determined in both types of production. Analytical results were compared with the European Union report of 2010 where 1.3% of apple samples exceeded maximum residue levels (MRLs), while MRL exceedances were not observed in this survey.
Acknowledgements
The authors thank those who contributed to the work: Roman Mavec, Mateja Fortuna and the co-workers at the Central Laboratories and Department of Fruit Growing, Viticulture and Oenology of Agricultural Institute of Slovenia.