<p style="text-align: justify;">The original herbicide-tolerant rice mutant, 93AS3510, was selected following chemically-induced accelerated mutagenesis of AS3510 seeds treated with ethyl methanesulfonate (EMS). This mutant line was then crossed with the commercial rice varieties Cocodrie, Maybelle, and Cypress to create the imazethapyr tolerant lines CL121, CL141, and CFX51, respectively.</p>
