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2014, vol. 51, br. 3, str. 154-160
Poređenje biplot analize i Kangove statistike stabilnosti (YSi) u proceni stabilnosti hibrida kukuruza
Naučni institut za ratarstvo i povrtarstvo, Novi Sad

e-adresabojan.mitrovic@nsseme.com
Ključne reči: GGL biplot; hibridi; kukuruz; prinos zrna; stabilnost prinosa; YSi statistika
Sažetak
Istovremena procena prinosa i stabilnosti prinosa na osnovu rezultata iz multi-lokacijskih ogleda ima veliki značaj u preporuci hibrida kukuruza. Cilj ovog istraživanja bio je da se ispita (i) prinos i stabilnost prinosa eksperimentalnih hibrida kukuruza pomoću Kangove statistike stabilnosti (YSi) i metodom SREG GGL biplot analize, na osnovu podataka iz multi-lokacijskih ogleda u Srbiji, i (ii) da li su linearni efekti indeksa spoljašnjih sredina uticali na stabilnost hibrida. Glavni efekti genotipa (hibrida) bili su visoko značajni i obuhvatali su 9% od ukupne sume kvadrata. Interakcija hibrid × lokalitet je takođe bila visoko značajna i obuhvatala je 8,1% od ukupne sume kvadrata. Heterogenost uslovljena razlikom između spoljašnjih sredina bila je statistički neznačajna. Na osnovu rezultata obe analize isti genotipovi su izdvojeni kao stabilni ali je prednost na strani SREG modela kao preciznijeg i informativnijeg.
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O članku

jezik rada: engleski
vrsta rada: izvorni naučni članak
DOI: 10.5937/ratpov51-6208
objavljen u SCIndeksu: 20.03.2015.
metod recenzije: dvostruko anoniman

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