Antioksidativno delovanje, fitotoksičnost i alelopatski potencijal ekstrakta zelenog ploda oraha (Juglans regia L.)

  • Marija M Sarić-Krsmanović Institut za pesticide i zaštitu životne sredine
  • Jelena Gajić Umiljendić Institut za pesticide i zaštitu životne sredine
  • Tijana Đorđević Institute of Pesticides and Environmental Protection, Banatska 31b, 11080 Belgrade-Zemun
  • Ljiljana Radivojević Institute of Pesticides and Environmental Protection, Banatska 31b, 11080 Belgrade-Zemun
  • Ljiljana Šantrić Institute of Pesticides and Environmental Protection, Banatska 31b, 11080 Belgrade-Zemun
  • Dragana Božić University of Belgrade, Faculty of Agriculture, Nemanjina 6, 11080, Belgrade-Zemun
  • Sava Vrbnicanin University of Belgrade, Faculty of Agriculture, Nemanjina 6, 11080, Belgrade-Zemun
Ključne reči: alelopatija, orah, biljni ekstrakt, korovi, kukuruz

Sažetak


Cilj ovog rada je bio da se ispita alelopatski potencijal ekstrakta zelenih nezrelih plodova oraha na klijanje i rani porast semena tri korovske vrste (Chenopodium album, Amaranthus retroflexus, Daucus carota), kao i fitotoksični efekat na klijanje i rani porast semena kukuruza Zea mays. Pored toga, cilj je bio i da se uradi analiza biljnog ekstrakta i procena njegove antioksidativne aktivnosti.
Antioksidativna aktivnost biljnog ekstrakta određena je kroz sposobnost neutralizacije
DPPH (2,2-difenil-1-pikrilhidrazil) radikala i ispitivanjem sposobnosti redukcije gvožđa FRAP metodom. Inhibicija merenih parametara (ukupna klijavost i dužina klijanaca) se proporcionalno smanjivala sa smanjenjem koncentracije rastvora ekstrakta zelenih nezrelih plodova oraha. Takođe, parametri rasta klijanaca su ispoljili veću osetljivost u odnosu na parametar ukupne klijavosti semena kod sve tri korovske vrste. Iako dobijeni rezultati iz biotesta sa semenima pokazuju značajan inhibitorni efekat na klijanje i rani porast testiranih korovskih vrsta, ujedno ukazuju i na fitotoksične efekte kod ranog porasta semena gajene vrste Z. mays.

 

Biografija autora

Marija M Sarić-Krsmanović, Institut za pesticide i zaštitu životne sredine

Laboratorija za herbologiju, naučni saradnik

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Objavljeno
2023/09/15
Kako citirati
Sarić-Krsmanović, M. M., Gajić Umiljendić, J., Đorđević, T., Radivojević, L., Šantrić, L., Božić, D., & Vrbnicanin, S. (2023). Antioksidativno delovanje, fitotoksičnost i alelopatski potencijal ekstrakta zelenog ploda oraha (Juglans regia L.). Pesticides and Phytomedicine / Pesticidi I Fitomedicina, 38(2), 75-84. https://doi.org/10.2298/PIF2302075S
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Originalni naučni članak