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A field experiment was conducted in 2007–2009 at the Brody and Przybroda – Experimental Station of Poznań University of Life Sciences. The aim of this study was to compare weed control efficacy in winter oilseed rape using Proponit 720 herbicide EC at different doses and as a mixture with herbicide Command 480 EC. Conducted investigations showed very high efficacy of Proponit 720 EC applied in the...
The aim of investigations was to understand the effect of application date (autumn and spring) of graminicides and their mixtures with adjuvant on efficacy of Elymus repens control and residue level in soil. Field experiments were carried out during 2007–2009 on arable field near Wrocław. Herbicides for E. repens control in winter oilseed rape (containing active substances such as: quizalofop-P-ethyl...
W pracy omówiono wyniki 3-letnich badań nad zbiorowiskami chwastów w łanie rzepaku ozimego uprawianego w 6-polowym płodozmianie po grochu oraz 26-28-letniej monokulturze, nie traktowanego i traktowanego herbicydami. W płodozmianie bez ochrony herbicydami stwierdzono 246 osobników chwastów na 1 m2 o łącznej masie 107 g, a na obiekcie z herbicydami odpowiednio 84 i 47. Dominantami byly: Capsella bursa-pastorís...
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