Bakar citrat – defolijant u proizvodnji sadnica voćaka

  • Veljko M Gavrilović Institut za zaštitu bilja i životnu sredinu, Teodora Drajzera 9, 11040 Beograd
  • Zoran Milićević Institut za zaštitu bilja i životnu sredinu, Teodora Drajzera 9, 11040 Beograd
  • Goran A Aleksić Institut za zaštitu bilja i životnu sredinu, Teodora Drajzera 9, 11040 Beograd
  • Mira S Starović Institut za zaštitu bilja i životnu sredinu, Teodora Drajzera 9, 11040 Beograd
  • Svetlana T Živković Institut za zaštitu bilja i životnu sredinu, Teodora Drajzera 9, 11040 Beograd
  • Stefan S Stošić Stipendista Ministarstva prosvete, nauke i tehnološkog razvoja
  • Slobodan T Kuzmanović Institut za zaštitu bilja i životnu sredinu, Teodora Drajzera 9, 11040 Beograd
Ključne reči: Copper||, ||Bakar, Defoliation||, ||Defolijacija, Nursery production||, ||Rasadnička proizvodnja, Fruit trees||, ||Sadnice voćaka,

Sažetak


U radu su prikazani efekti defolijacije sadnica jabuke i šljive, primenom različitih koncentarcija bakar citrata, kao nove formulacije, i standardnih preparata koji se koriste u ove svrhe (bordovska čorba, urea). Ogledi su sprovedeni u regionu Trstenika (Ljubava i Milutovac), koji je centar rasadničke proizvodnje u Srbiji. Tretiranja su obavljena tokom 2016. i 2017. godine. Na osnovu dobijenih rezultata zaključeno je da bakar citrat pokazuje visok potencijal za upotrebu u svrhu defolijacije sadnica jabuke i šljive. Korišćene koncentracije ovog jedinjenja su pokazale veću efikasnost u primeni na  sadnicama šljive nego na sadnicama jabuke. Najbolji rezultati u oba ogleda su zabeleženi sa maksimalno primenjenom koncentracijom (2%), dok efekat defolijacije na sadnicama jabuke opada sa smanjenjem koncentracije. Stepen defolijacije jabuke primenom bakar citrata u koncentraciji od 2% kretao se od 80,6% do 95,6%, a kod
šljive čak 100%. Potvrđeno je i da uspešna defolijacija sadnica jabuke i šljive značajno zavisi od vremena aplikacije kao i meteoroloških uslova.

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Objavljeno
2017/12/29
Kako citirati
Gavrilović, V. M., Milićević, Z., Aleksić, G. A., Starović, M. S., Živković, S. T., Stošić, S. S., & Kuzmanović, S. T. (2017). Bakar citrat – defolijant u proizvodnji sadnica voćaka. Pesticides and Phytomedicine / Pesticidi I Fitomedicina, 32(3-4). https://doi.org/10.2298/pif.v32i3-4.15617
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