THE ALLELOPATHIC INFLUENCE OF TARAXACUM OFFICINALE ON THE INITIAL GROWTH AND DEVELOPMENT OF FESTUCA RUBRA L.
 
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Department of Grassland and Green Areas Creation, Siedlce University of Natural Sciences and Humanities, B. Prusa 14. 08-110 Siedlce, Poland
Publication date: 2014-01-15
 
J. Ecol. Eng. 2014; 15(1):38–44
 
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ABSTRACT
Common dandelion (Taraxacum officinale F.H. Wigg) is perennial plant often stepping out in very large quantity in the sward of natural meadows. This species expands, enlarging its population very quickly. In the literature there is the lack of data related to influences of the common dandelion on plants growing in it’s neighbourhood. It is also unknown why this species creates large clusters. It may compete with different plants through the allelopatic influence. Therefore, the aim of this work was to test of the influence of water extracts from leaves and from the roots of common dandelion (Taraxacum officinale) as well as soil extracts from the radicular layer of this species on the germination of the seeds and the initial growth of Red fescue (Festuca rubra L.). The investigative material came from leaves and roots of Taraxacum officinale and soil coming from the radicular layer of this species. It was applied most often in biotest experiments on germination. Red fescue was the tested plant. The germination energy of red fescue was the most braked through the plant extracts prepared from roots and leaves of Taraxacum officinale.