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Ministry of Agriculture, Food and Rural Affairs


Trade name: Broadstar, Chateau, Payload, Sureguard, Valtera

Site of Action: Inhibitors of protoporphyrinogen oxidase (Protox)

Group 14


  • Within a few hours, initial water soaked symptoms appear
    Treated plants become necrotic
    Within a few days, plant death occurs

Uptake and translocation

  • Primarily taken up by the roots of treated plants following soil applications
  • Movement in the phloem is limited because of the rapid foliar desiccation caused by the herbicide


  • Flumioxazin degrades rapidly in water and soil
  • Dissipation of flumioxazin occurs by hydrolysis and microbial oxidation
  • Flumioxazin has a half life of 4.2 days at pH 5 and 1 day at pH7
  • Residual activity lasting up to 100 days depending on conditions

Flumioxazin injury on strawberry Flumioxazin injury on pepper Flumioxazin injury on tomato Flumioxazin injury on grape Flumioxazin injury on strawberry

Click to enlarge.