Accuracy of a multiple mineral tracer methodology for measuring spray deposition

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    A wide variety of tracers have been used to measure spray deposition such as active ingredient, water-soluble food dyes, fluorescent tracers and metal ions. Several advantages of mineral tracers have been reported, e.g. overcoming the errors arising from plot-to-plot variation, their stability in daylight, recovery, accuracy and similar behaviour as pesticides. Hence, our research group has used mineral chelates in several comparative spray application trials. In most cases, filter paper collectors (FPC) were used as artificial targets.
    Regardless the advantages presented in literature, we still encounter scepticism about the mineral/FPC-tracer method in terms of recovery, relocation, leaching or interference of mineral tracers when applied to the same plot. The experiments showed that multiple mineral tracers can be used to assess the distribution and penetration of several spray application techniques in the same canopy, with minimal risk of leaching, interference and relocation of the tracers.

    TaalEngels
    TitelAspects of Applied Biology : International Advances in Pesticide Application
    EditorsP G Andersen, P Balsari, P I Carpenter, S E Cooper, C R Glass, B Magri, P C H Miller, C Mountford-Smith, T H Robinson, D Stock, W A Taylor, J van de Zande
    Volume122
    UitgeverijAssociation of Applied Biologists
    Datum2014
    Pagina's203-212
    ISBN van geprinte versie0265-1491
    StatusGepubliceerd - 2014
    EvenementInternational Advances in Pesticide Application - Oxford, Verenigd Koninkrijk
    Duur: 8-jan-201410-jan-2014
    http://www.aab.org.uk

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