On the mechanism of action and selectivity of the corn herbicide topramezone: a new inhibitor of 4-hydroxyphenylpyruvate dioxygenase.

@article{Grossmann2007OnTM,
  title={On the mechanism of action and selectivity of the corn herbicide topramezone: a new inhibitor of 4-hydroxyphenylpyruvate dioxygenase.},
  author={Klaus U. Grossmann and Thomas Ehrhardt},
  journal={Pest management science},
  year={2007},
  volume={63 5},
  pages={429-39}
}
Topramezone is a new, highly selective herbicide of pyrazole structure for the post-emergence control of broadleaf and grass weeds in corn. The biokinetic properties and mode of action of topramezone were investigated in plants of Setaria faberi Herrm, Sorghum bicolor (L.) Moench, Solanum nigrum L. and the crop species corn (Zea mays L.). Within 2-5 days after treatment, topramezone caused strong photobleaching effects on the shoot, followed by plant death of sensitive weeds. The selectivity of… CONTINUE READING

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