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The effect of the allelopathic substances contained in Ambrosia artemisiifolia L. was monitored on selected plant species. As an accompanying plants Common wheat (Triticum aestivum L.) - spring form, Common Bird's-foot Trefoil (Lotus corniculatus L.), Red Clover (Trifolium pratense L.), Red Fescue (Festuca rubra L.), Timothy grass (Phleum pratense L.), Tall oat-grass (Arrhenatherum elatius L.) and Ribwort (Plantago lanceolata L.) were selected. In cultivation experiments were used extracts from the aerial parts of common ragweed, root extracts and common ragweed plant sown to the tested plants. From the values obtained in cultivation experiments the influence of common ragweed on selected plant species and its impact on agricultural production was evaluated. |
