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Termodinamička karakterizacija klijanaca pšenice poreklom iz semena sa različitih parcela

dc.creatorDragičević, Vesna
dc.creatorIvanović, Dragica
dc.creatorMilivojević, Marija
dc.creatorĐukanović, Lana
dc.date.accessioned2019-05-16T12:15:00Z
dc.date.available2019-05-16T12:15:00Z
dc.date.issued2012
dc.identifier.issn0354-5881
dc.identifier.urihttp://rik.mrizp.rs/handle/123456789/448
dc.description.abstractWheat germination could be affected by different factors, including location. Start growth of seedlings present the energy transformations and the seed substance conversion. The aim of the experiment was to examine differences in germination and growth of wheat seedlings, originating from five fields with similar characteristics, with application of thermodynamic parameters of free energy and entropy. Variations in energy and total germination of wheat seed was under 10%. After eight days of germination testing, the relation between root and shoot at level of fresh and dry matter was 1:1, while only at seedlings from one field it was 1:2 in fresh and 1.5:1 in dry matter. The present differences could be the consequence of the different energy using in seedling. Hydrolysis intensification based on spontaneous reactions and increased order in four days old seedlings could result in increased germination. On the other hand, variations in energetic potential, order degree and hydrolysis of seed substance may not take off biosynthetic reactions in root and shoot. Present data towards that variation in growth of seedlings originating from seeds from different fields could be mainly connected to variations in energy potential inputted by water, but not by synthesized substance. Minimal differences between the individual fields could affect quality of the produced seed material, what was particularly underlined by application of thermodynamic parameters as quality indicators.en
dc.description.abstractBrojni faktori utiču na klijavost semena pšenice, među koje spada i lokacija. Početni rast klijanaca predstavlja rezultat energetskih transformacija i konverzije semene supstance. Cilj ogleda je bio da se ispitaju razlike u klijavosti i razvoju klijanaca pšenice poreklom iz semena dobijenog sa pet različitih parcela (koje imaju slične osobine), uz primenu termodinamičkih parametara slobodne energije i entropije. Variranje u energiji klijanja i ukupnoj klijavosti semena pšenice nije bilo veće od 10%. Nakon osam dana od početka testiranja klijavosti kod većine klijanaca je odnos između korena i izdanka na nivou sveže i suve materije bio 1:1, dok je jedino kod klijanaca poreklom iz semena samo sa jedne parcele ovaj odnos na nivou sveže materije bio skoro 1:2, a na nivou suve materije 1,5:1. Navedene razlike mogu biti posledica različitog iskorišćenja energije od strane samog klijanca. Intenziviranje hidrolize, na bazi spontanih reakcija, kao i povećane uređenosti kod klijanaca starih četiri dana bi moglo da rezultira nešto većom ukupnom klijavošću. Sa druge strane, variranja u energetskom potencijalu, stepenu uređenosti sistema i hidrolizi semene supstance ne moraju da se odraze i na biosintetske reakcije u korenu i izdanku. Navedeni podaci upućuju da su variranja u rastu klijanaca poreklom iz semena sa različitih parcela uglavnom vezana za variranja energetskog potencijala koji je unet sa vodom, a ne i sintetisane supstance klijanaca. Minimalne razlike između pojedinačnih parcela mogu uticati na kvalitet proizvedenog semenskog materijala, što je posebno naglašeno primenom termodinamičkih parametra, kao pokazatelja kvaliteta.sr
dc.publisherDruštvo selekcionara i semenara Republike Srbije, Beograd
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/31037/RS//
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by-sa/4.0/
dc.sourceSelekcija i semenarstvo
dc.subjectfree energyen
dc.subjectentropyen
dc.subjectgerminationen
dc.subjectseedlingsen
dc.subjectwheaten
dc.subjectslobodna energijasr
dc.subjectentropijasr
dc.subjectklijanjesr
dc.subjectklijancisr
dc.subjectpšenicasr
dc.titleThermodynamic characterisation of wheat seedlings, originating from seeds from different fieldsen
dc.titleTermodinamička karakterizacija klijanaca pšenice poreklom iz semena sa različitih parcelasr
dc.typearticle
dc.rights.licenseBY-SA
dc.citation.volume18
dc.citation.issue1
dc.citation.spage17
dc.citation.epage25
dc.citation.other18(1): 17-25
dc.citation.rankM52
dc.identifier.fulltexthttp://rik.mrizp.rs//bitstream/id/2380/446.pdf
dc.identifier.rcubhttps://hdl.handle.net/21.15107/rcub_rik_448
dc.type.versionpublishedVersion


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