Effect of forecrops and doses of herbicides on the yield and weed infestation of winter wheat
JAN BUCZEK
Katedra Produkcji Roślinnej, Uniwersytet Rzeszowski ul. Zelwerowicza 4, 35-601 RzeszówWACŁAW JARECKI
Katedra Produkcji Roślinnej, Uniwersytet Rzeszowski ul. Zelwerowicza 4, 35-601 RzeszówDOROTA BOBRECKA-JAMRO
Abstract
The study was conducted between 2008 and 2010 at the Experimental Station in Krasne, belonging to the Faculty of Biology and Agriculture of the University of Rzeszów. In a two-factor experiment carried out in the randomized block system the reaction of the ‘Batuta’ winter wheat variety grown in a field where faba bean was previously cultivated, and the winter wheat using the recommended and reduced herbicide dose and Atpolan 80 EC adjuvant were compared. A significantly higher level of yields of the wheat cultivated after faba bean crop in comparison with the wheat cultivated after wheat was found. An increase of the canopy weed infestation indices and the weed compensation, especially in the field where wheat was previously cultivated, was obtained on the objects where doses of herbicides reduced by 1/3 were used as compared to the objects using full and reduced doses together with the adjuvant. The use of the adjuvant with doses of herbicides reduced by 1/3 allowed to maintain the wheat grain yield at a level similar to that obtained on a full dose basis without the adjuvant, both in the field where faba bean was previously cultivated and in the short-term monoculture.
Keywords:
herbicide doses, forecrops, winter wheat, yield, weed infestationReferences
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Katedra Produkcji Roślinnej, Uniwersytet Rzeszowski ul. Zelwerowicza 4, 35-601 Rzeszów
Katedra Produkcji Roślinnej, Uniwersytet Rzeszowski ul. Zelwerowicza 4, 35-601 Rzeszów
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