Reakcja odmian pszenicy ozimej na retardanty

The two-year field experiments (2009–2010) was to compare the reaction of 10 winter wheat varieties (Bogatka, Kobra Plus, Ludwig, Opus, Mewa, Muza, Tonacja, Turkis, Turnia, Zyta) to retardants. Retardants (Antywylegacz płynny 675 SL and Moddus 250 EC) were applied at three growth phases: BBCH 31, 32, 37. Total amount of active ingredients per 1 ha was 150 g trinexapac ethyl and 2.17 kg of chlormequat chloride. Stem height reduction was the highest in case of the varieties: Turnia, Zyta, Bogatka and Muza. The largest increase of chlorophyll content in leaves recorded in the varieties: Turnia, Bogatka and Muza.