Efficacy of chemical weed control in spring cereals in Finland |
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| Authors: | J SALONEN L-R ERVIÖ |
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| Institution: | Agricultural Research Centre, Department of Crop Science, SF-31 600 Jokioinen, Finland |
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| Abstract: | A national survey was conducted in Finland from 1982 to 1984 to determine the main weed species in spring cereals and the efficacy of herbicides on Finnish farms. The most common dicotyledonous weeds producing the highest biomass in spring cereals were Chenopodium album L., Galeopsis spp. L., Stellaria media (L.) Vill. and Lapsana communis L. The main grass weed was Elymus repens (L.) Gould. The average reduction of weed biomass by herbicide treatment was 75%. More reliable efficacy was obtained with herbicide mixtures than with MCPA alone. |
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