Publication Date

1997

Description

The concentration of phytotoxic substances in permanent grassland was studied and related to botanical composition in a two year study. Species that were negatively correlated to growth retardation varied between the two years. This may have been caused by variation in growth conditions between the two years, but may also indicate that single plant species are not the main source for the phytotoxic substances. Dead decomposing tissue may instead be the main source of phytotoxic substances in permanent grassland.

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The Effect of Phytotoxic Substances in Permanent Grassland

The concentration of phytotoxic substances in permanent grassland was studied and related to botanical composition in a two year study. Species that were negatively correlated to growth retardation varied between the two years. This may have been caused by variation in growth conditions between the two years, but may also indicate that single plant species are not the main source for the phytotoxic substances. Dead decomposing tissue may instead be the main source of phytotoxic substances in permanent grassland.