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Ministry of Agriculture, Food and Rural Affairs


Trade Names: Glyfos, Roundup, Touchdown, Vantage

Group 9

Site of Action: Inhibitors of 5-enolpyruvaylshikimimate-3-phosphate synthase (EPSP)


  • Inhibited growth
  • General foliar chlorosis and necrosis within 4- 20 days depending on temperature at time of application
  • Immature leaves and growing points are often the first to undergo chlorosis

Uptake and Translocation

  • Absorbed through foliage
  • Translocated throughout the plant


  • None- crops can be planted or seeded directly into treated areas following application
  • Half life in field: 47 days

Glyphosate herbicide injury