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Genetika  2012 

The productive traits of different potato genotypes in mountainous region of Montenegro

DOI: 10.2298/gensr1202389j

Keywords: genotype-environment interaction , mountainous region , potato , yield

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Abstract:

The results of three-year study of productivity for the five leading potato varieties in Montenegro: Riviera and Tresor (early), Kennebec (medium-early), Aladin and Agria (medium-late) are presented. The research was conducted during 2009, 2010 and 2011, on three highly diverse, related to the pedological and climatic conditions, locations in mountainous region of Montenegro: Nik ic (800 m.a.s.l.), Kola in (900 m.a.s.l.) and abljak (1450 m.a.s.l.). Field experiments were set up using standard methodology in random block design in four repetitions. The analysis of variance suggested that there were highly significant differences among genotypes (G), investigated years (Y) and locations (L) for potato yield. Apart from individual influence of the factors, their interactions (G x Y, G x L, Y x L, G x Y x L) were also highly significant for investigated trait. In average the highest yield (28.9 t/ha) was established at Kola in locality. The highest yield of all investigated varieties and localities was measured at variety Agria (30.0tha-1), while the lowest at Riviera (24.6 t ha-1). In this investigation Agria variety was favourable for yield of potato tuber.

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