The effect of cultivar and year on yield and quality components in soybean

Abstract

This paper presents the results of a two-year trial of yield, protein and oil content NS soybean cultivars of 0 and I maturity group. Average yield for all tested cultivars was 3,657 kg ha-1. Significantly higher yield was recorded in 2010 as compared to the 2009. Soybean cultivars Sava and Valjevka had the highest yield per unit area as compared to other tested cultivars. The protein content of all soybean cultivars was 38.04% on average. The 2010 protein content was significantly higher than the 2009. Cultivar Proteinka had significantly higher two-year average protein content (39.29%) as compared to the tested cultivars. Average oil content for all tested cultivars was 20.55%. Cultivars Valjevka and Sava had the highest average oil content, 20.88% and 20.87% respectively. The 2009 oil content was significantly higher than the 2010. Cultivar Sava had the highest protein and oil yield (1,445 kg ha-1 and 789 kg ha-1 respectively) as compared to other tested cultivars. There were statistically significant differences in yields, and protein and oil content and yield depending on cultivars and testing year. Environmental factors influenced the correlation between yield and protein oil and content.

U radu su prikazani dvogodišnji rezultati prinosa, sadržaja proteina i ulja NS sorti soje, 0 i I grupe zrenja. Prosečni prinosi, za sve testirane sorte soje, varirali su od 3.211 kg ha-1 (2009) do 4.104 kg ha-1 (2010). Statistički značajno viši prinosi zabeleženi su 2010. u odnosu na 2009. Sorte soje Sava i Valjevka imale su statistički značajno viši prinos po jedinici površine u odnosu na ostale testirane sorte. Sadržaj proteina za sve ispitivane sorte soje iznosio je u proseku 38,04%. Sadržaj proteina u 2010. bio je statistički značajno viši u odnosu na 2009. Sorta Proteinka imala je, u dvogodišnjem proseku, statistički značajno viši prosečan sadržaj proteina (39,29%) u odnosu na ostale testirane sorte. Prosečan sadržaj ulja, za sve testirane sorte soje, iznosio je 20,55%. Najviši sadržaj ulja ostvarile su u proseku sorte Valjevka (20,88%) i Sava (20,87%). Statistički značajno veći sadržaj ulja zabeležen je u 2009. u odnosu na 2010. Sorta Sava imala je viši prinos proteina (1.445 kg ha-1) i ulja (789 kg ha-1) u odnosu na ostale testirane sorte. Utvrđene su statistički značajne razlike u prinosima, sadržaju i prinosu proteina i ulja u zavisnosti od sorte i godine ispitivanja. Faktori spoljašnje sredine utiču na korelaciju između prinosa i sadržaja proteina i ulja.