Influence of variety and location on seed quality of winter wheat
2011
Mladenov Velimir | Milošević Mirjana
This paper analyzes ten varieties of winter wheat, which were all developed in Institute of Field and Vegetable Crops. All of them are also recognized in the seed production of R. of Serbia. Experiments were conducted at three locations (Novi Sad, Pančevo and Sremska Mitrovica), during the 2009/2010. Grain yield, physical properties of grain (1000 grain weight and test weight) and seed quality traits (randman and germination) were analyzed. Common characteristic of all sites, during vegetation period, while the experiment was conducted, is that the temperature was slightly higher than average, precipitation were significantly higher than average, and insolation was significantly lower than average in previous couple of years. It was found that all the main factors of variation (site and variety) are significant for all traits analyzed. In general, interaction of cultivar / location is significant for all traits (except for germination), but it is relatively smaller then the main factors. Lower heritability in the broad sense of test weight (0.17), germination (0.19) and yield grain (0.22) shows that environmental conditions have more influence on this characteristic. Physical properties of seeds, test weight and 1000 grains are positively correlated with germination (0.703 and 0.494), negative correlation (-0.388) 1000 kernel weight and randman grains results with a higher seed in waste during finishing process, but as a result, a positive correlation (0.345) between yield and germination.
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