Topramezone bụ ahịhịa ahịhịa nke izizi nke BASF mepụtara maka ubi ọka, nke bụ ihe mgbochi 4-hydroxyphenylpyruvate oxidase (4-HPPD).Kemgbe mmalite ya na 2011, aha ngwaahịa "Baowei" ka edepụtara na China, na-emebi ntụpọ nchekwa nke ahịhịa ahịhịa ahịhịa.
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