The aims of this study were to investigate the influence of an integrated farming system on development of monocotyledons weed infestation in the winter wheat fields in all production regions of Slovakia. The actual weed infestation was evaluated from 1997 till 2006 in the Slovak Republic, by standard methods common used by EWRS a numerous method per square. The results of the weed survey on arable land conducted in 1997-2006 were applied to asses the distribution and occurrence of weed species with respect to their importance and harmfulness. The most important weeds species were: Elytrigia repens, Apera spica venti, Avena fatua, Echinochloa crus galli, Setaria spp. Alopecurus myosuroides, et cet.

monocotyledon weed; winter wheat; integrated agricultural system

Presentation: oral