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Agricultural Chemicals And Associated Chemicals
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Abstract
Selective plant growth control compositions consist of (a) a methoxypolychlorobenzoic acid for deriv., (b) 2,4,5-trichlorophenoxyacetic acid or deriv. (2,4,5T) and (c) 2,4-dichlorophenoxypropionic acid (2,4-DP). Each of the components (a), (b) and (c) must be present in the mixture at min. 1% and the preparations most pref. contain 6-16% of (a), 25-35% of (b) and 35-63% of (c). The preparations give good control of Veronica species in lawns, grassfields, etc.
Compositions for regulating plant growth and for antagonising the action of strong herbicides in crops comprising 3-pyridyloxy-alkanoyl-or alkenoylamides, certain such new compounds and their preparation