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2012, vol. 16, br. 3, str. 93-97
Mehaničke osobine ploda suncokreta (Helianthus Annuus L.) - u zavisnosti od vrste hibrida
aUniverzitet u Novom Sadu, Poljoprivredni fakultet, Departman za poljoprivrednu tehniku
bAgricultural stacion, Novi Sad

e-adresaljbab@polj.uns.ac.rs
Projekat:
Sušenje voća i povrća iz integralne i organske proizvodnje kombinovanom tehnologijom (MPNTR - 31058)

Ključne reči: suncokret; fizičke osobine; pritisno opterećenje; horizontalna orijentacija ploda
Sažetak
Cilj ovih istraživanja je da se upoznaju i međusobno uporede osobine plodova suncokreta tri hibrida domaće selekcije (Bačvanin, NS H111 i Šumadinac) prilikom pritisnog opterećenja, a u zavisnosti od vlažnosti semena. Plodovi (cela zrna) NS H11 i Šumadinac hibrida su demonstrirali niske vrednosti proporcionalne sile u opsegu od 29,3 N do 45,2 N i to pri niskim vrednostima vlažnosti zrna (između 3,4 i 5,9 % izraženo u odnosu na vlažnu osnovu). Potpuno suprotni rezultati merenja su ostvareni pri pritisnom opterećenju hibrida Bačvanin (sila od 60,6 N) pri sličnoj vrednosti vlažnosti zrna. Vrednosti deformacije ploda suncokreta (dužina kretanja glave instrumenta nakon kontakta sa uzorkom) se povišavaju kako se vlažnost zrna povišava. Ova konstatacija se naročito odnosi na hibrid NS H111. Ustanovljeni su linearni modeli za sve hibride koji opisuju zavisnost sekantnog modula elastičnosti i sadržaja vlage plodova suncokreta.
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O članku

jezik rada: engleski
vrsta rada: izvorni naučni članak
objavljen u SCIndeksu: 22.03.2013.

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