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Chlorophyll fluorescence as a technique for the detection of atrazine in soil


, : Chlorophyll fluorescence as a technique for the detection of atrazine in soil. Applied Plant Science 4(2): 84-85

Chlorophyll fluorescence assays were carried out on the leaves of oat plants. Seed were either directly sown into atrazine-treated soil (0, 0.025, 0.05; 0.1; 0.25; 0.5; and 1.0 mg ai kg-1), or plants were brought into contact with similarly treated soil after a period of growth. Differences in fluorescence were detected between all the lower concentrations up to 0.25 mg kg-1 within 72 hours after the roots of 14 days old plants had been brought into contact with atrazine-treated soil. Chlorophyll fluorescence appears to be a rapid method for assaying low concentrations of atrazine in soil.

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