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Uticaj različitog tipa citoplazmatske muške sterilnosti na frakciju semena srednje krupno pljosnato kod inbred linija kukuruza.

Different type of citoplasmatic male sterility impact on medium large flat seed size of maize inbred lines

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2019
2019_11-Umag_60-61.pdf (204.3Kb)
Authors
Jovanović V., Snežana
Todorović, Goran
Kresović, Branka
Tolimir, Miodrag
Petrović, Tanja
Stanisavljević, Rade
Štrbanović, Ratibor
Article (Published version)
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Abstract
Cilj istraživanja bio je utvrditi utjecaj različitog tipa citoplazme (cms-C, cms-S i fertilna) i vanjske sredine na frakciju sjemena srednje krupno pjlosnato dvanaestinbred linija kukuruza. Pokus je proveden tijekom 2017. i 2018. godine na dvije lokacije po metodici slučajnog bloknog rasporeda u tri ponavljanja, a statistička obrada podataka analizom varijance. Analizom varijanse utvrđeno je da postoje veoma značajne razlike između inbred linija u frakciji sjemena srednje krupno pljosnato (SKP) u zavisnosti od tipa citoplazme, godine i lokacije. Prosječni udjel frakcije sjemena srednje krupno pljosnato (SKP) značajno je varirao (P≤5%) u zavisnosti od tipa citoplazme. Najveći udjel frakcije sjemena srednje krupno pljosnato imala je sterilna citoplazma cms-C (7,0%), a najmanji fertilna citoplazma (6,5%). Srednje vrijednosti SKP frakcije sjemena inbred linija veoma značajno (P≤1%) su varirale u zavisnosti od godina ispitivanja i lokacija. Veću zastupljenost SKP frakcije sjemena imale su... inbred linije u 2017. godini (7,75%) u odnosu na 2018. godinu (5,69%), kao i na lokaciji Selekciono polje (7,17%) u odnosu na lokaciju Školsko dobro (6,28%). Analiza dobivenih rezultata ukazuje na značajan utjecaj tipa citoplazme na srednje krupnu plosnatu frakciju sjemena.

The aim of the present study was to determine effects of different types of cytoplasm (cms-C, cms-S and fertile) and environmental factors on the medium large flat seed fraction (MLF) of 12 maize inbreds lines. The trial with inbred lines was set up in 2017 and 2018 at two locations according to the randomised block design in three replication. Statistical data processing was done by analysis of variance. Very significant differences in the medium large flat seed fraction (MLF) among inbred lines, in dependence on the type of cytoplasm, year and the location were established. The average percent of the MLF seed fraction significantly varied (P≤5%) in respect of cytoplasm type. The highest and the lowest values of this trait were established in sterile cytoplasm cms-C (7.0%), and fertile cytoplasm (6.5%), respectively. The medium values of the MLF seed fraction very significantly (P≤1%) varied in dependence on the year and location. The greater percentage of the MLF seed fraction was de...termined in maize inbred lines in 2017 (7.75%) than in 2018 (5.69%), as well as in the location of Selekciono polje (7.17%) than in Školsko dobro (6.28%). The analysis of obtained results point out to a significant effect of the cytoplasm type on the medium large flat seed fraction.

Keywords:
citoplazmatska muška sterilnost / inbred linije / frakcija semena / cytoplasmic male sterility / inbred lines / seed fraction
Source:
12. Međunarodni kongres oplemenjivanje blja, sjemenarstvo i rasadničarstvo. Umag, 06. - 08. 11 2019. godine - Zbornik sažetaka, 2019, 60-61
Publisher:
  • Zagreb : Hrvatsko agronomsko društvo

ISSN: 2459-5721

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_rik_936
URI
http://rik.mrizp.rs/handle/123456789/936
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