Rapid Estimation of the Phytocidal Action of Chemicals

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Abstract
The rate and character of damage to Lemna minor were used as measures of the phytocidal action of chemicals. Four different, clearly detectable and replicable reactions to herbicides are described. L. minor is convenient and economical where cost, large numbers of tests and availability of chemicals are important. The potency of commercial weed killers, especially those containing organic poisons, may be detd.