Plant Protect. Sci., 2009, 45(10):S63-S66 | DOI: 10.17221/2805-PPS

Changes in weed species spectrum of perennial weeds on arable land, meadows and pastures

Jan Mikulka1, Marta Korčáková1, Věra Burešová2, Jiří Andr3
1 Department of of Herbology, Division of Agroecology, Crop Research Institute, Prague-Ruzyně, Czech Republic
2 Faculty od Agriculture, University of South Bohemia in České Budějovice, České Budějovice, Czech Republic
3 Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences in Prague, Prague, Czech Republic

Occurrence of selected perennial weeds has been monitored at control sites across the Czech Republic since 1989, and trends of their occurrence have been evaluated. The monitoring has been aimed mainly at Cirsium arvense (L.) SCOP, Sonchus arvensis L., Artemisia vulgaris L., Stachys palustris L., Bolboschoenus planiculmis, Bolboschoenus laticarpus, and Elytrigia repens (L.) NEV. on arable land and Taraxacum officinale L.A. on pastures and meadows. High increase in the frequency of occurrence of C. arvense and E. repens was found out in the mid-nineties while the infestation frequency with these two weeds decreased later on. The occurrence of infestation with the other perennial weeds Cirsium arvense, Elytrigia repens, Sonchus arvensis, Bolboschoenus planiculmis, Bolboschoenus laticarpus, Stachys palustris, Artemisia vulgaris and Taraxacum officinale L.A. slightly but continually increased.

Keywords: expansion; perennial weeds

Published: December 31, 2009  Show citation

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Mikulka J, Korčáková M, Burešová V, Andr J. Changes in weed species spectrum of perennial weeds on arable land, meadows and pastures. Plant Protect. Sci. 2009;45(Special Issue):S63-66. doi: 10.17221/2805-PPS.
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