Biodiversity of weed population in winter rye crop in one selected district of Podlasie.

摘要

This paper presents the results of monitoring database on segetal weeds in winter rye crop in the district of Dobrzyniewo Duze. During five growing seasons (2004-2007) 157 phytosociological evaluations in winter rye crop were carried out. The obtained results showed the increase of weed infestation in case of Centaurea cyanus, Artemisia campestris, Elymus repens, Apera spicaventi, Setaria glauca. The following weed species: Matricaria inodora, Viola arvensis, Myosotis arvensis, Conyza canadensis, Equisetum arvense occured on a similar percentage level considering the results of all phytosociological evaluations in all years of presented research.