Paraquat herbicide crystals, LM

Paraquat herbicide crystals, LM

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Credit: DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY

Caption: Light micrograph (LM) of Paraquat (herbicide) crystals. Paraquat is a toxic chemical that is widely used as an herbicide (plant killer), primarily for weed and grass control. Paraquat was first produced for commercial purposes in 1961 and is today among the most commonly used herbicides. In the United States, paraquat is available primarily as a liquid in various strengths and is classified as restricted use, which means that it can be used only by licensed applicators. Magnification: x40 when shortest axis printed at 25 millimetres.

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Keywords: 910625-26, chemical, colored, coloured, control, crystal, crystals, false-colored, false-coloured, grass, herbicide, killer, light, lm, micrograph, paraquat, plant, toxic, weed

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