Definition of "herbicidal" []

• Of, or relating to herbicides (adjective)
• Having the ability to damage or destroy plants, especially weeds (adjective)

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• "The first imidazolinone was actually created later when Los was trying to reproduce a substance that had crystallized out of a solution of the original herbicidal agent prepared for testing on crops."
• "Los discovered another class of herbicidal compounds that are not toxic to humans and animals — imidazolinones."
• "In the early 1970s, while screening thousands of existing American Cyanamid chemicals for substances that would regulate plant growth, Los noted that one seemed to have herbicidal potential, so he made modifications in its molecular structure to enhance this capability."