1. The formation of aroma compounds during fermentation in relation to yeast nutrient source in sauvignon blanc wineZorica Lelova, Helena Baša Česnik, Andreja Vanzo, Klemen Lisjak, 2026, original scientific article Keywords: fermentation, wine, yeast nutrients, varietal thiols, esters, higher alcohols
Published in DiRROS: 03.04.2026; Views: 203; Downloads: 135
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2. Idejna zasnova za ustanovitev mreže znanja za trajnostno slovensko sredozemsko kmetijstvoMaja Podgornik, Rozalija Cvejić, Matjaž Glavan, Tjaša Pogačar, Majda Černič Istenič, Milena Bučar-Miklavčič, Franc Čuš, Mateja Potisek, Mateja Stvarnik, Lucija Žvokelj, Zalika Črepinšek, Asja Majhen, Ana Šubic, Zala Žnidaršič, Jakob Fantinič, Rok Babič, Michelle Umer, Jan Reščič, Melita Sternad Lemut, Barbara Zagorc, Matej Bedrač, Karlo Kopjar, Klemen Lisjak, Tomaž Žnidaršič, Janez Prešern, Matej Stopar, Nika Cvelbar Weber, Kristina Ugrinović, Erika Jež, Lorena Butinar, Guillaume Antalick, Mitja Martelanc, Branka Mozetič Vodopivec, Janko Mrkun, Matjaž Mesarič, Irena Golinar, Marina Štukelj, Ožbalt Podpečan, Andrej Škibin, Metka Pislak, Mateja Grego, 2025, treatise, preliminary study, study Abstract: Slovensko sredozemsko kmetijstvo (SSK) se sooča s številnimi izzivi, kot so podnebne spremembe, omejeni viri in razdrobljena podpora regiji. V okviru priprave strategije za SSK je bila kot ena ključnih rešitev prepoznana ustanovitev Mreže znanja za trajnostno slovensko sredozemsko kmetijstvo, ki bo povezovala raziskovalne in izobraževalne ustanove, svetovalne službe, kmete in druge deležnike. Mreža bo temeljila na treh stebrih sodelovanja (ciljni, raziskovalni in podporni steber) ter bo organizirana prek skupščine, upravnega odbora in operativnih teles po kmetijskih panogah. Posebno vlogo bo imel Kompetenčni center za oljkarstvo in mediteranske kulture v Plavjah (ZRS Koper) kot stičišče znanja in prenosa praks. Pomemben komunikacijski kanal bo Portal znanja (AKIS), ki bo omogočal dostop do rezultatov raziskav, učnih gradiv in priporočil za prakso. Mreža bo aktivna tudi pri promociji in sodelovanju na sejmih, dogodkih in v medijih, da se znanje in inovacije čim širše preneseta v prakso. Ključni mejnik projekta je bil dosežen s podpisom Pisma o nameri za ustanovitev mreže (8. 4. 2025), ki ga je podpisalo devet ustanovnih članov, kar je trdna osnova za nadaljnji razvoj mreže in trajnostni razvoj slovenskega sredozemskega kmetijstva.
Published in DiRROS: 08.05.2025; Views: 1001; Downloads: 732
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3. Strokovne podlage za pripravo strategije razvoja za trajnostno slovensko sredozemsko kmetijstvoMaja Podgornik, Matjaž Glavan, Rozalija Cvejić, Tjaša Pogačar, Karlo Kopjar, Majda Černič Istenič, Milena Bučar-Miklavčič, Franc Čuš, Mateja Potisek, Mateja Stvarnik, Lucija Žvokelj, Zalika Črepinšek, Asja Majhen, Ana Šubic, Zala Žnidaršič, Jakob Fantinič, Rok Babič, Michelle Umer, Jan Reščič, Melita Sternad Lemut, Barbara Zagorc, Matej Bedrač, Klemen Lisjak, Tomaž Žnidaršič, Janez Prešern, Matej Stopar, Nika Cvelbar Weber, Kristina Ugrinović, Erika Jež, Lorena Butinar, Guillaume Antalick, Mitja Martelanc, Branka Mozetič Vodopivec, Janko Mrkun, Matjaž Mesarič, Irena Golinar, Marina Štukelj, Ožbalt Podpečan, Andrej Škibin, Metka Pislak, Mateja Grego, 2025, treatise, preliminary study, study Abstract: Strategija razvoja temelji na štirih stebrih: trajnost, poslovno okolje, tehnološki napredek ter znanje in prenos tega. Poseben poudarek je na prilagajanju podnebnim spremembam, zaščiti tal in vodnih virov in spodbujanju lokalne samooskrbe. Zasnovana mreža znanja je ključna za povezovanje raziskovalcev, svetovalcev in kmetov ter omogoča učinkovit prenos znanja, razvoj novih praks in vključevanje mladih strokovnjakov. Njeno delovanje bo pomembno tudi za širjenje pridelave sredozemskih rastlin v druge regije Slovenije.
Published in DiRROS: 08.05.2025; Views: 1014; Downloads: 743
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4. Anthocyanin and proanthocyanidin evolution during ripening of the Refošk grapevine is modulated by deficit irrigationPaolo Sivilotti, Alberto Calderan, Riccardo Braidotti, Antonio Filippi, Marco Vuerich, Enrico Peterlunger, Alessia Cogato, Dejan Bavčar, Klemen Lisjak, Andreja Vanzo, 2024, original scientific article Keywords: vine water stress, polyphenol biosynthesis, proanthocyanidin polymerization, galloylation, anthocynin
Published in DiRROS: 20.12.2024; Views: 974; Downloads: 309
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5. The role of oxygen in new vinification technologies of white and red winesKlemen Lisjak, 2007, doctoral dissertation Keywords: winemaking, wines, musts, chemical composition, white wines, red wines, oxygen, oxidation, pressing, hyperreduction, microoxygenation, glutathione, caftaric acid, coutaric acid, fertaric acid, hydroxycinnamates, anthocyanins, polyphenols
Published in DiRROS: 06.09.2022; Views: 1991; Downloads: 706
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7. Combined effects of early season leaf removal and climatic conditions on aroma precursors in Sauvignon blanc grapesPaolo Sivilotti, Branka Škvarč, Lorena Butinar, Melita Sternad Lemut, Klemen Lisjak, Andreja Vanzo, 2017, original scientific article Abstract: Early leaf removal around the cluster zone is a common technique applied in cool climate viticulture, to regulate yield components and improve fruit quality. Despite the increasing amount of information on early leaf removal and its impact on total soluble solids, anthocyanins and polyphenols, less is known regarding aroma compounds. In order to verify the hypothesis that defoliation, applied before or after flowering, could impact the biosynthesis of thiol precursors, we performed a two year (2013 and 2014) experiment on Sauvignon blanc. We provided evidence that differential accumulation of thiols precursors in berries is affected by the timing of defoliation and this impact was related to modifications in biosynthetic pathway. Furthermore, the possible interaction between leaf removal treatment and seasonal weather conditions, and its effect on the biosynthesis of volatile precursors are discussed. Our results suggested that in Sauvignon blanc the relative proportion of 4-S-glutathionyl-4-methylpentan-2-one (G-4MSP) and 3-S-glutathionylhexan-1-ol (G-3SH) precursors can be affected by defoliation, and this could be related to the induction of two specific genes encoding glutathione-S-transferases (VvGST3 and VvGST5), while no significant effects on basic fruit chemical parameters, polyphenols and methoxypyrazines were ascertained under our experimental conditions.
Keywords: early leaf removal, cluster exposure, thiol precursors, methoxypyrazines, Vitis vinifera
Published in DiRROS: 06.09.2022; Views: 2528; Downloads: 935
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8. Enhancement of Istrian Malvasia wine aroma and hydroxycinnamate composition by hand and mechanical leaf removalMarijan Bubola, Igor Lukič, Sanja Radeka, Paolo Sivilotti, Kristina Grozić, Andreja Vanzo, Dejan Bavčar, Klemen Lisjak, 2019, original scientific article Keywords: wine aroma, leaf removal, varietal thiols, aroma compounds, hydroxycinnamates
Published in DiRROS: 11.05.2020; Views: 3834; Downloads: 1866
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9. Yield reduction through cluster or selective berry thinning similarly modulates anthocyanins and proanthocyanidins composition in Refosco dal peduncolo rosso (Vitis vinifera L.) grapesPaolo Sivilotti, Rachele Falchi, Joshua Vanderweide, Paolo Sabbatini, Marijan Bubola, Andreja Vanzo, Klemen Lisjak, Enrico Peterlunger, Jose Carlos Herrera, 2020, original scientific article Keywords: Grapevine, Yield reduction, Selective thinning, Tannins, Anthocyanins, vinska trta, grozdje, pridelek, redukcija pridelka, redčenje, tanini, antociani, kemična sestava
Published in DiRROS: 06.05.2020; Views: 4377; Downloads: 748
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