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2022, vol. 26, br. 3-4, str. 111-114
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Uticaj hibrida kukuruza i veličine semena nakon dorade na fizičke osobine semena, klijavost i rast klijanca
Influence of maize hybrids and seed size after processing on the physical characteristics of the seeds, germination and races growth
aUniverzitet u Nišu, Srbija bInstitut za kukuruz 'Zemun polje', Beograd-Zemun, Srbija cInstitut za zaštitu bilja i životnu sredinu, Beograd, Srbija
e-adresa: djdragosla01@gmail.com
Projekat: 451-03-68/2020-14/200383
Ministarstvo prosvete, nauke i tehnološkog razvoja Republike Srbije (institucija: Institut za zaštitu bilja i životnu sredinu, Beograd) (MPNTR - 451-03-68/2020-14/200010)
Ministarstvo prosvete, nauke i tehnološkog razvoja Republike Srbije (institucija: Institut za kukuruz 'Zemun polje', Beograd-Zemun) (MPNTR - 451-03-68/2020-14/200040)
Sažetak
U ovim istraživanjima su prikazane fizičke,fiziološke i osobine vigora semena pet ZP hibrida kukuruza (ZP1, ZP2, ZP3, ZP4 i ZP5). Seme hibrida podeljeno je na sitnu (SF) i krupnu frakciju (LF). Hibridna kombinacija i frakcija semena nije značajno uticala na klijavost semena. Hibrid i frakcija semena ispoljili su značajan uticaj na osobine: debljina, širina, dužina, masa semena, mrtvo seme, nenormalno seme, dužina stabaoceta i korenka i sveža masa semena. (p ≥ 0.05 , p ≥ 0.01). Krupna frakcija dala je duže stabaoce za 1,18 cm, duži korenak za 2,94 cm i veću masu klijanca za 0,032 g u poređenju sa sitnom frakcijom. Uticaj hibrida na dužinu stabaoceta se razlikovao za 1,9 cm u SF, odnosno 1,7 cm u LF Između klijavosti semena i osobina vigora klijanca (dužine stabaoceta i korenka i sveže mase klijanca) kao i mase semena i osobina vigora klijanaca utvrđena je značajna i pozitivna korelacija (p ≥ 0.001) Između klijavosti semena i procenta nenormalnih klijanaca utvrđena je značajna negativna korelacija (p ≥ 0.01).
Abstract
In these studies, the physical and physiological seed properties and seedling's vigour properties in five ZP maize hybrids (ZP1, ZP2, ZP3, ZP4 and ZP5) were investigated. Hybrid seed was divided into small (SF) and large fractions (LF) The hybrid combination and seed size did not significantly (p ≥ 0.05) affect seed germination. Width, thickness, length, seed weight, dead seeds, abnormal seedling, stem and root growth and fresh seedling weight were significantly influenced by hybrid and seed fraction LF produced higher stems by 1.18 cm, longer roots by 2.94 cm and higher seedling weight by 0.032 g (the hybrid average) as compared to SF. The influence of hybrids on stem growth differed by 1.9 cm on SF seed and 1.7 cm on LF seed. Significant and positive dependence (p ≥ 0.001) between seed germination was determined with the growth of stem, root and seedling weight, as well as with the 1000 seed weight (p ≥ 0.01) and with a thickness (TS) (p ≥ 0.05). Seed germination with abnormal seedlings achieved a negative (p ≥ 0.01) significant correlation.
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