Vpliv obtežitve na pridelek in kakovost grozdja sort Merlot in Vranac (Vitis vinifera L.) v vinogradu v Trebinju
Povzetek
Namen raziskave je bil preučiti vpliv obtežitve trt na pridelek in kakovost sort Merlot in Vranac (Vitis vinifera L.) v vinogradih Trebinja. Velikost obremenitve trt v tem poskusu so bile trte z 9 (V1) in 12 brsti (V2) na vsako sorto, gojeno na Lenz-Moser bilateralnem kordonu. Vpliv je bil določen z meritvami pridelka na trto, kakovost grozdja je bila določena z vsebnostjo celokupne suhe snovi, titrabilne kislosti, vsebnosti celokupnih fenolov in flavonoidov in celokupne antioksidacijske sposobnosti. Izmerjeni parametri kakovosti grozdja sort Merlot in Vranac niso bili znalično vplivani z obremenitvijo trt. V2 je v primerjavi z V1 pokazala zmožnost povečanja pridelka grozdja samo pri sorti Merlot v razmerah te raziskave. Rezultati te raziskave so pokazali še pozitivno korelacijo med vsebnostjo celokupnih fenolov/flavonoidov in celokupno antioksidacijsko kapaciteto grozdnih jagod pri obeh sortah ne glede na obremenitev trt.
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DOI: http://dx.doi.org/10.14720/aas.2021.117.4.1601
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