Allelopathic potential of biomass of some weed species in relation to winter wheat seedlings (Triticum Aestivum var. vulgare)
1996
Duer, I. (Institute of Soil Science and Cultivation of Plants, Pulawy (Poland). Dept. of Crop Rotation)
The research was performed in the laboratory conditions, growth chamber, greenhouse as well as in the pots without bottom and microplots in field conditions. The allelopathic potential of the weed biomass was characterised by the number of germinated wheat seeds, by the inhibition or stimulation of the coleoptile and radicles or roots lenght, by seedlings chemical composition and by mineral nutrient uptake. It was found, that biomass of weeds and its water and methanol extracts are potential sources of biologically active substances. In field conditions the effect of weeds on the growth of seedlings was regulated by precipitations as well as by the soil sorption of biological active substances
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