National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Hodnocení zaplevelení vybraných porostů cukrové řepy
Kollár, Milan
The aim of this bachelor thesis is to evaluate the weeds of selected growths of sugar beet. The evaluation was carried out in 2018 and 2019 on selected plots of PRO-AGRO, spol. s r.o. in the district of Vyškov. Weed evaluation on selected plots was performed using numerical method. Three observation and evaluation dates were esta-blished, first one after sowing and at the time of emergence, second before 2nd or 3rd herbicide application and the last one through August to September. The most common occurrence in the first observation period was crumble of Winter Weat (Triticum aesti-vum) a white goosefoot (Chenopodium album). In the second term, the occurrence of Lambs Quarters (Chenopodium album), the Fool’s parsley (Aethusa cynapium) and the Comfrey medical (Symphytum officinale) were observed, while in the third term the biggest issue was weed beet (Beta vulgaris var. altissima).
Druhové spektrum polních plevelů ve vybraných porostech cukrové řepy
Borovička, Roman
The aim of this bachelor thesis is to evaluate the weed infestation of selected sugar beet stands. The monitoring of the stands was carried out in three terms, in April - before the first application of herbicides, in June - after the last application of herbicides and then at the beginning of September, when secondary weed weeds were monitored. In total, 12 weeds were identified in the stand. The most common was the Brassica napus subsp. napus - which occurred mainly in the first term - before the application of herbicides and the Chenopodium album – which occurred mainly in the second and third term, after the application of herbicides. Weed beet have been observed on all stands, its occurrence must be monitored and eliminated.

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