Stability of oil yield in sunflower small-plot trials | Stabilnost prinosa ulja u mikroogledima suncokreta
2012
Balalić, I., Institut za ratarstvo i povrtarstvo, Novi Sad (Serbia) | Miklič, V., Institut za ratarstvo i povrtarstvo, Novi Sad (Serbia) | Jocić, S., Institut za ratarstvo i povrtarstvo, Novi Sad (Serbia) | Marinković, R., Institut za ratarstvo i povrtarstvo, Novi Sad (Serbia) | Cvejić, S., Institut za ratarstvo i povrtarstvo, Novi Sad (Serbia) | Hladni, N., Institut za ratarstvo i povrtarstvo, Novi Sad (Serbia) | Miladinović, D., Institut za ratarstvo i povrtarstvo, Novi Sad (Serbia)
For the evaluation of main effects (hybrid, location) and interaction (hybrid x location) for oil yield in sunflower, the results of small-plot trials were used. The small-plot trials were carried out on 14 locations with 9 hybrids during 2011. AMMI (Additive Main Effects and Multiplicative Interaction) model was performed, which evaluates main effects and also interaction. Interaction was detected by using AMMI biplot. In 2011, average oil yield, including 9 hybrids and 14 locations in Serbia, was 1.63 t/ha. Baća achieved highest oil yield (2.40 t/ha) on Rimski Šančevi location. Hybrids Novosađanin and Velja gave oil yield over average. Significantly highest average oil yield showed hybrids on location Rimski Šančevi (2.03 t/ha) and Sombor (1.96 t/ha). Oil yield was predominantly influenced by locations (69.00%) and after that by the hybrids (4.13%). Also, interaction hybrid x location was highly significant. AMMI ANOVA showed highly significant differences for both principal components (IPC1 and IPC2). The smallest effect of the interaction, with the oil yield at the average rate is manifested in the hybrids Sremac and Duško. Hybrid Baća, with significantly highest mean value of yield, showed satisfactory stability in examined locations. Vrbas and Aleksa Šantić pointed out as locations with most stable hybrids, with oil yield over average in 2011. Graphical presentation of AMMI in the form of biplot could facilitate the choice of stable hybrids for desired characters in sunflower.
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