Herbicide behaviour workshops

A thorough understanding of how herbicides work assists agronomists and growers to maximise herbicide performance. When confronted with a range of weed problems and environmental conditions, the challenge is to optimise the results in the field.

Knowing what weeds will be controlled from a herbicide application is the easy bit – it’s on the label.

More challenging questions include:

  • Why do herbicides perform or fail in some situations?
  • Critical comments on the label. Why do they exist and how were they developed?
  • How do adjuvants and water conditioning agents work? What should be used, when and why?
  • How does resistance affect different herbicides? What strategies can be used as resistance emerges?
  • How do residual herbicides work and what influences their breakdown?

ICAN is delivering a series of GRDC supported workshops for agronomists on the science underpinning how herbicides work and its application to field practice. Participants will leave with a better understanding of the key factors dictating herbicide performance and what can be done in the paddock to ensure weed control is maximised.

Workshop outline

Workshops are customised for each location to focus on regionally important herbicides and management issues under the following structure.

  • How herbicides work – disruption of key enzyme systems within the plant
  • Leaf entry of post-emergent herbicides. Including the influence of environmental conditions and the importance of adjuvants
  • Post-emergent herbicide translocation and metabolism
  • Herbicide resistance and resistance mechanisms
  • Maximising performance of the key post-emergent modes of action (MOA's)
  • Pre-emergents –
    • Stubble, volatilisation, photodegradation and incorporation
    • Relationship with soil type and soil moisture
    • Degradation, plantbacks and crop safety
    • Impacts of tillage and planter type
    • Maximising performance of key pre-emergent herbicides

These small group workshops run for 1.5-days. Numbers are limited to ensure active participation and discussion. Previous workshops have ‘sold-out’, so early registration is essential.

While the workshop content is targeted to experienced agronomists, interested growers are welcome. Cost is $165 ($150 + GST) per workshop.

Workshop locations for 2019

Workshops start at 8:45am for a 9am start on Day 1 and finish before 1pm on day 2.

  • Melbourne, VIC - Tue 12 & Wed 13 November
    Fully Booked - Click here if you would like to be advised when additional workshops are added.

Dates for additional workshops in 2020 will be added when locations are confirmed. Click here if you would like to be advised when additional workshops are added.

Enquiries or to register interest in attending a workshop near you, please contact ICAN: Ph: 02 9482 4930 Fx: 02 9482 4931 or erica@icanrural.com.au, fill in the on-line registration form

Online registration is available below. If you would like to register multiple people from the same organisation, please contact us for a group booking.

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