Agrow is part of Informa PLC

This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them. Informa PLC’s registered office is 5 Howick Place, London SW1P 1WG. Registered in England and Wales. Number 8860726.

This copy is for your personal, non-commercial use. Please do not redistribute without permission.

Printed By


Australian glyphosate-resistant barnyard grass fear:

Experts are warning Australian farmers to monitor the control of barnyard grass (Echinochloa crus-galli) following the world's first suspected case of resistance to the herbicide, glyphosate. The New South Wales Department of Primary Industries is advising growers to check barnyard grass that has survived one or more applications of glyphosate and to provide seed for resistance testing. It is warning farmers not to rely solely on glyphosate to control the weed, but to use paraquat or paraquat/diquat combinations. The suspected case of resistance occurred in a field that had received 15-20 applications of glyphosate over a five-year period. The DPI plans to conduct field tests to determine management options for resistant barnyard grass populations.



What to read next




Ask The Analyst

Please fill in the form below to send over your enquiry or check the Ask The Analyst Page to find out more about the service

Your question has been successfully sent to the email address below and we will get back as soon as possible. my@email.address.

All fields are required.

Please make sure all fields are completed.

Please make sure you have filled out all fields

Please make sure you have filled out all fields

Please enter a valid e-mail address

Please enter a valid Phone Number

Ask your question to our analysts