Vyhodnocení a analýza zaplevelení vybraných polních plodin v provozních podmínkách

This thesis is focused on weed infestation evaluation of winter oilseed rape and winter wheat growths on selected land of ZD Kelečsko Kelč, in years 2011 -- 2013, futhermore on assesments of weed infestation differences between crops and particular years. Weed infestation was detected by numerical counting method and evaluation were processed by DCA analysis. Leftover of previous crop appeared the most frequently in winter oilseed rape, with weeds from the family Brassicaeae - Thlaspi arvense, Viola arvensis and Capsella bursa -- pastoris followed. 22 weeds and weedy species were found in total. Galium aparine, Viola arvensis, Veronica spp. occured the most often in winter wheat. 21 weeds and weedy species were found here. The growth of winter oilseed rape were more weedy than wheat