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Considerations for pre-emergent herbicides with dry sowing
In this webinar, we focus on what factors influence the residual control of weeds by pre-emergent herbicides with a focus on Trifluralin, Sakura and new-to-market herbicides. Join Chris Davey, YPAG and WeedSmart Extension Agronomist and Mark Congreve, ICAN Senior Agronomist as they assess the sowing issues in South Australia and discuss strategies on using pre-emergents. Factors covered include Soil type/texture Rainfall forecast (after application) Characteristics of the herbicide Characteristics of the crop Sowing time (tine vs disc) – sowing depth, speed, soil throw, stubble Resistance status GRDC Spray Application Manual This Spray Application GrowNotes™ manual provides information on how various spraying systems and components work, along with those factors that the operator should consider to ensure the sprayer is operating to its full potential. This manual focuses on issues that will assist in maintaining the accuracy of the sprayer output while improving the efficiency and safety of spraying operations. It contains many useful tips for your spray operations.
Farmer questions answered on Group G herbicides and optimum application temperature
In this follow-up to last year’s webinar on Group Gs, Dr Chris Preston, University of Adelaide, Professor of Weed Management and WeedSmart’s Greg Condon focus on farmer questions around Group G herbicide use. They explain the new Group G chemistry in simple terms and address questions around what temperature range provides optimum herbicide efficacy.
How do I make the right decision on using Group Gs?
Choosing and applying the right pre-emergent herbicide can be difficult, particularly if herbicide resistance is becoming a challenge in a no-till system. Join Dr Chris Preston, University of Adelaide (UA) professor weed management and WeedSmart’s Chris Davey as they explain the new Group G chemistry and de-mystifies which Group G works best for winter cropping systems.
Testing all of your herbicides for resistance with Roberto Busi
Dr Roberto Busi Roberto discusses what the current levels of resistance to knock-down herbicides (glyphosate and paraquat) are, resistance to new and old pre-emergent herbicides and resistance to clethodim. The results are discussed with Peter Newman by analysing the pros and cons of herbicide resistance testing and the value of herbicide efficacy and resistance testing with new herbicides coming into the Australian market from 2021.
Glyphosate Resistance Update with Peter Boutsalis
Dr Peter Boutsalis from the University of Adelaide joins this webinar to discuss tips to optimise the efficacy of glyphosate and when and when not to use the double knock strategy. Peter also shares the latest results from the GRDC-funded random weeds survey in the Eyre Peninsula and southern Victoria and how the resistance levels in these areas have changed over the last 5 years.
You don’t know what you don’t know about managing weeds
Agronomists play a key role in the northern region, not only in identifying and tackling crop weeds but also in protecting chemistries. In the face of this challenge, utilising the WeedSmart Big 6 tools is showing results in tackling problem weeds. Join Crop Consultants Australia’s Director Ben Dawson, as he hosts Dr. Chris Preston and Paul McIntosh from WeedSmart and they discuss the role that agronomists can play in breaking this cycle.