2015. Vol. 64http://arhiva.nara.ac.rs/handle/123456789/18982024-03-29T06:19:24Z2024-03-29T06:19:24ZEfficacy of Plant Extracts Application on Suppression Of Botrytis Cinerea and Impact on Blackberries YieldZavisic, NadaRosic, ZeljkoLakic, ZeljkoKapic, Mehirahttp://arhiva.nara.ac.rs/handle/123456789/19142016-12-03T14:17:08ZEfficacy of Plant Extracts Application on Suppression Of Botrytis Cinerea and Impact on Blackberries Yield
Zavisic, Nada; Rosic, Zeljko; Lakic, Zeljko; Kapic, Mehira
Field tests of efficacy of nettle, dandelion and alfalfa water extracts application were conducted an organic plantation. Laboratory tests are performed at the Agricultural Institute of Republic of Srpska - Banja Luka and Veterinary Institute "Vaso Butozan" in Banja Luka. It was analyzed the following properties of water extracts: health safety, efficacy in preventing the development of Botrytis cinierea in, in vitro conditions“ and impact on the yield of blackberries. Control of the microbiological safety of the water extracts had shown that they were health safety and can be used for foliar treatment of blackberry bushes. It was found that extracts of nettle with fermentation time of 14 and 21 days showed medium inhibitory effect on mycelium growth of the fungus Botrytis cinerea. There was no inhibitory effect of dandelion and alfalfa extracts on mycelium growth of the fungus Botrytis cinerea. All tested treatments achieved a higher yield of blackberries compared to the control. The highest average yield of blackberry was achieved by treatment with water extract of alfalfa. Fermentation time did not affect the
yield of blackberries in any of the treatments.; Ispitivanje efekata vodenih ekstrakata koprive, maslačka i lucerke izvedeno je u zasadu kupine organske proizvodnje.Laboratorijska ispitivanja su izvedena u Poljoprivrednom institutu Republike Srpske – Banja Luka i Veterinarskom Institutu „Vaso Butozan“ u Banjaluci. Tokom istraživanja analizirana su sledeća svojstva vodenih ekstrakata: zdravstvena ispravnost, efikasnost u sprečavanju razvoja Botrytis cinierea u ,,in vitro“ uslovima i uticaj na prinos kupine.Kontrolom mikrobiološke ispravnosti vodenih ekstrakata, utvrđeno je da su oni zdravstveno ispravni i da se mogu koristiti za folijarno tretiranje žbunova kupine. Laboratorijskim ispitivanjima utvrđeno je da su ekstrakti od koprive sa periodom fermentacije od 14 i od 21 dan ispoljili srednje inhibitorno delovanje na porast micelije gljive Botrytis cinerea. Nije utvrđeno inhibitorno dejstvo ekstrakata maslačka i lucerke na porast micelije gljive Botrytis cinerea.Svi ispitivani tretmani ostvarili su veći prinos kupine u odnosu na kontrolnu varijantu. Najveći prosečan prinos kupine ostvaren je tretiranjem žbunova sa vodenim ekstraktom lucerke. Trajanje fermentacije nije uticalo na prinos kupine ni kod jednog tretmana.
Pomo-Technological Properties of Selected Clones Of ’Oblačinska’ Sour CherryMiletic, RadePaunovic, Svetlanahttp://arhiva.nara.ac.rs/handle/123456789/19132016-12-03T14:17:07ZPomo-Technological Properties of Selected Clones Of ’Oblačinska’ Sour Cherry
Miletic, Rade; Paunovic, Svetlana
The paper looks at 7 clones of ’Oblačinska’ sour cherry with favourable pomological and technological properties. Fruit weight, soluble solids, total sugars and total acids in fruits of the clones investigated ranged 2.3 g (K-61)–3.4 g (K- 73), 17.0% (K-49 and K-50)–20.5% (K-73), 14.1% (K-70)–17.9% (K-49) and 2.00% (K-73)–2.24% (K-50), respectively. Sugar and acid ratio ranged between 6.5 (K-50) and 8.6 (K-61), which is a favourable property from the standpoint of technology of processing. All the clones selected deserve attention as they may add to the preservation of biodiversity and gene bank, and are suitable for commercial growing within an organised production framework.; U radu je izdvojeno i opisano 7 klonova Oblačinske višnje koji se karakterišu povoljnim pomološkim i tehnološkim osobinama. Plodovi ispitivanih klonova odlikovali su se masom od 2,3 g (K-61) do 3,4 g (K-73), sadržajem rastvorljivih suvih materija od 17,0% (K-49 i K-50 ) do 20,5% (K-73), sadržajem ukupnih šećera od 14,1% (K-70) do 17,9% (K-49) i sadržaj ukupnih kiselina od 2,00% (K-73) do 2,24% (K-50). Indeks slasti kretao se od 6,5 (K- 50) do 8,6 (K-61), što predstavlja povoljnu osobina sa stanovišta tehnologije prerade. Svi odabrani klonovi zaslužuju pažnju kako u očuvanju biodiverziteta i formiranja banke gene, tako i za komercijalno gajenje u organizovanoj proizvodnji.
The Accumulation of Anthocyanins and Total Phenolsduring Ripening in Cv Probus and Cabernet Sauvignon Grape Berries in Fruska Gora Wine RegionKalajdzic, MladenIvanisevic, DragoslavDrenjancevic, MatoKorac, NadaJukic, VladimirKokovic, Jelenahttp://arhiva.nara.ac.rs/handle/123456789/19122016-12-03T14:17:05ZThe Accumulation of Anthocyanins and Total Phenolsduring Ripening in Cv Probus and Cabernet Sauvignon Grape Berries in Fruska Gora Wine Region
Kalajdzic, Mladen; Ivanisevic, Dragoslav; Drenjancevic, Mato; Korac, Nada; Jukic, Vladimir; Kokovic, Jelena
The anthocyanin and total phenols concentrations of Vitis vinifera cv Probus (Serbian wine grape variety) and Cabernet Sauvignon, during ripening in Fruska Gora region, were investigated. Phenolic concentration was evaluated by spectrophotometric analysis. Probus had higher anthocyanins concentration in the skin and total phenols per berry. Cabernet Sauvignon did not show big enlargement in anthocyanins content during this period. Contrastingly, anthocyanins content in Probus berry skin was increasing until harvest. Small berries of cv. Probus had colored pulp. There was a decrease in the Cabernet Sauvignon berry weight near the harvest. Optimum moment to harvest Probus was 50 days after veraison. Overall, these two varieties showed differences in anthocyanins accumulation during ripening.; Cilj rada bio je da se ispita dinamika nakupljanja antocijana i ukupnih fenola u bobicama sorti probus i kaberne sovinjon tokom sazrevanja. Praćen je sadržaj ovih jedinjenja od šarka do berbe, u vremenskom razmaku od 10 dana. Sorte su pokazale različitu dinamiku nakupljanja. Dobijeni rezultati pokazuju da sorta probus nakuplja više bojenih materija od kaberne sovinjona.