A laboratory experiment was performed on three winter wheat cultivars: Legenda, Sukces and Zyta. Seeds were treated with Maxim 025 FS (fludioxonil), Vitavax 2000 FS (carboxin and thiram) and Zaprawa zbożowa Orius 060 FS (tebuconazole). Treated seeds were incubated for 14 days on Petri dishes in temperature 20°C. The following parameters were evaluated: length and fresh weight of shoot, length and fresh weight of root and number of primary roots. In most cases no significant differences in evaluated winter wheat growth parameters were stated between seed treatments and untreated object. However, some tendencies concerning applied seed treatments could be observed. After the application of seed treatment containing carboxin and thiram (Vitavax 2000 FS) the shoot length on all cultivars was the highest in comparison to untreated object and other seed treatments. The root length and weight was mostly the lowest. After the application of seed treatment containing fludioxonil (Maxim 025 FS) root length on all cultivars was the highest as compared to the other objects. The root weight was lower than in untreated object. The number of primary roots was mostly the lowest in comparison to untreated object and other seed treatments. After the application of seed treatment containing tebuconazole (Zaprawa zbożowa Orius 060 FS) the root weight and number of primary roots of all cultivars was the highest in comparison to untreated object and other seed treatments. The shoot weight was mostly the highest.
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