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Ministry of Agriculture, Food and Rural Affairs

Glufosinate Ammonium

Trade Names: Ignite, Liberty 200SN

Group 10

Site of Action: Inhibitors of glutamine synthetase

Symptoms
Following POST emergence application:

  • 3- 5 days plants becomes chlorotic and wilted
  • 1- 2 weeks plants become necrotic
  • Bright sunlight, high humidity and moist soil increase the rate of development of these symptoms

There are no symptoms if the herbicide is applied PRE emergent

Uptake and Translocation

  • Absorbed through foliage
  • Minimal translocation- dependent on application rate and species treated

Persistence

  • None
  • There are no cropping or rotational restrictions after application

Photographs courtesy of:

F.A Holm and Ken Sapsford at University of Saskatchewan - Department of Plant Sciences - Weeds Research - Herbicide Injury Symptoms:

http://www.weedsresearch.usask.ca/Herbicide
%20Injury%20Symptoms/index.php

Glufosinate Ammonium injury on Sweet Corn Glufosinate Ammonium injury on Sweet Corn Glufosinate Ammonium injury on Sweet Corn Glufosinate Ammonium injury on Sweet Corn Glufosinate Ammonium injury on barley Glufosinate Ammonium injury on canary seed Glufosinate Ammonium injury on canola Glufosinate Ammonium injury on canola Glufosinate Ammonium injury on lentil Glufosinate Ammonium injury on oat Click to enlarge.