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Description
  • In microencapsulated pesticide formulations the active ingredient is concentrated into plastic microcapsules. After a spray application, these microcapsules do not spread uniformely on the treated surface. In wet droplets, most of microcapsules are evenly distributed while in the dry droplets the microcapsules form aggregations. This note reports that the degree of microcapsules aggregation in dry droplets depends on the surface texture. Rough and porous surfaces decrease aggregation of microcapsules intwo ways: either by decreasing the horizontal %22aggregativex movement of microcapsules or by increasing the vertical movement of microcapsules. The vertical movement of microencapsules leads to their submersion into the porous surface and consequently tothe decrease of the bio-availability of encapsulated pesticide, which is lower on the paper than on the glass.
  • In microencapsulated pesticide formulations the active ingredient is concentrated into plastic microcapsules. After a spray application, these microcapsules do not spread uniformely on the treated surface. In wet droplets, most of microcapsules are evenly distributed while in the dry droplets the microcapsules form aggregations. This note reports that the degree of microcapsules aggregation in dry droplets depends on the surface texture. Rough and porous surfaces decrease aggregation of microcapsules intwo ways: either by decreasing the horizontal %22aggregativex movement of microcapsules or by increasing the vertical movement of microcapsules. The vertical movement of microencapsules leads to their submersion into the porous surface and consequently tothe decrease of the bio-availability of encapsulated pesticide, which is lower on the paper than on the glass. (en)
  • V mikroenkapsulovaných formulacích pesticidů (SC-pesticidy) není aktivní látka rovnoměrně rozptýlena v emulzi, ale koncentrována do plastových mikrokapsulí. V postřikové jíše a mokrých kapénkách jsou mikrokapsule rozptýleny rovnoměrně, zatímco v uschlýchkapénkách dochází k jejich agregaci. Tato práce však ukázala, že stupeň agregace mikrokapsulí v suchých kapénkách závisí na textuře povrchu. Existují dva mechanismy, které vedou ke snížení agregeace mikrokapsulí na hrubém a porézním povrchu: porézní struktura omezuje horizontální pohybu mikrokapsulí a umožňuje vertikální pohyb mikrokapsulí. Vertikální pohyb vede k zanoření mikrokapsulí do vnitřní struktury porézního materiálu; tím je snížena jeho biologická dostupnost pro lezoucí škůdce ve srovnání s neporézním skleněným povrchem. (cs)
Title
  • Vertical and horizontal distribution of pesticide microcapsules applied on the porous surface
  • Vertical and horizontal distribution of pesticide microcapsules applied on the porous surface (en)
  • Vertikální a horizontální distribuce pesticdních mikrokapsulí aplikovaných na porézní substrát (cs)
skos:prefLabel
  • Vertical and horizontal distribution of pesticide microcapsules applied on the porous surface
  • Vertical and horizontal distribution of pesticide microcapsules applied on the porous surface (en)
  • Vertikální a horizontální distribuce pesticdních mikrokapsulí aplikovaných na porézní substrát (cs)
skos:notation
  • RIV/00027006:_____/02:#####240!RIV06-MZE-00027006
http://linked.open.../vavai/riv/strany
  • 153;156
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MZE-M01-01-03)
http://linked.open...iv/cisloPeriodika
  • 4
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 668595
http://linked.open...ai/riv/idVysledku
  • RIV/00027006:_____/02:#####240
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • pesticides, encapsulation, spatial distribution, surface texture (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [A7C9884A5F12]
http://linked.open...i/riv/nazevZdroje
  • Research in Agricultural Engineering
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 48
http://linked.open...iv/tvurceVysledku
  • Aulický, Radek
  • Stejskal, Václav
http://linked.open...n/vavai/riv/zamer
issn
  • 1212-9151
number of pages
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