Ustępujące chwasty polne w uprawach zbóż ozimych gminy Kotuń

Abstract

This study compares results of observations of winter cereal cultures in the area of the Kotuń parish in two investigated periods (1979-1980 and 1989-1990). In cultures of rye, triticale and winter wheat, 124 species were recorded and investigated during the investigated period. Over 10 years the stability of occurrence and covering decreased in 34 species o f winter cultures. The species included very rare weeds, such as Agroslemma githago and Neslia paniculata, and many acid soil species, such as Scleranthus annuus, Anthemis arvensis, or Rumex acetosella. Plantago maior subsp. intermedia, Juncus hufonius and Filaginella uliginosa were species that have disappeared.