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Market insight - Post-emergent herbicides

Group 14 herbicides in the northern cropping belt

June 5, 2025 | 6 min read
Group 14 herbicides are inhibitors of the protoporphyrinogen oxidase (PPO) enzyme. In post-emergence applications, the absorbed herbicide inhibits PPO located in the outer envelope of plant chloroplasts, causing the protoporphyrinogen (protogen) precursor to leak out into the cytoplasm.
Market insight - Post-emergent herbicides

Early broadleaf protection emerges for cereal crops

May 21, 2025 | 4 min read
A good outcome from early use of broadleaf herbicides in oats despite concerns over potential crop impact is encouraging future applications for a southern WA farming enterprise.
Market insight - Post-emergent herbicides

New post-emergent herbicide welcomed by northern growers

May 20, 2025 | 4 min read
The ability to cost-effectively mix a selected rate of aminopyralid broadleaf weed herbicide with other cereal post-emergent herbicide partners has put a smile on the face of northern croppers over recent years and it appears it will only widen this year.
Post-emergent herbicides

Prevent seed set to stop ryegrass in its tracks

May 29, 2023 | 4 min read
Increasing herbicide resistance in annual ryegrass has thrown up some challenges for Bec and Ash Marshall on their 3300ha farm at Normanville, Victoria, leading to a new approach to their farming system.
Post-emergent herbicides

Tailoring tank-mixes for hard-to-kill weeds

May 21, 2023 | 3 min read
Two of the keys to slowing the development of herbicide resistance are reducing escapes and avoiding unnecessary chemical use.
Post-emergent herbicides

Trials support new herbicide rotation option

May 21, 2023 | 3 min read
‘Mix and rotate’ has become a grain industry mantra to help achieve maximum efficacy as well as maintain effective use of crop protection products and there’s another important tool for broadleaf weed control programs that will do just that this season.
Post-emergent herbicides

Broadleaf weed control options for the north

May 20, 2023 | 4 min read
Growers in northern NSW and Queensland battling problem broadleaf and woody weeds now have new-found flexibility with one of the most robust herbicides against these difficult weeds.
Herbicide & fungicide resistance - Post-emergent herbicides - Winter cropping

Research highlights summer adaptation of annual ryegrass

Jan. 18, 2021 | 3 min read
Research is investigating whether ryegrass is adapting to Australia’s climatic conditions and becoming more productive in the warmer months.
Post-emergent herbicides

All farmers encouraged to map crops to prevent spray drift damage this season

Nov. 25, 2020 | 2 min read
All cropping farmers are being encouraged to play their part in preventing off-target spray drift damage by mapping their fields this season.
Knockdown & pre-emergent herbicides - Post-emergent herbicides

Understanding weed competitive traits in barley

Aug. 11, 2020 | 4 min read
Not all barley genotypes are equal when it comes to weed suppression and tolerance.
Post-emergent herbicides

Smart Scholarship explores smart weed management technology

July 14, 2020 | 2 min read
Researchers at The University of Western Australia have investigated the use of Remotely Piloted Aircraft Systems (RPAS) to detect early-weeds in broadacre wheat crops.
Post-emergent herbicides - Winter cropping

Growers warned of potential crop injury if switching herbicides

June 15, 2020 | 2 min read
Grain growers are being warned about the potential injury to young cereal crops should they consider applying 2,4-D as a direct replacement for MCPA phenoxy herbicides.
Fungicides - Herbicide & fungicide resistance - Knockdown & pre-emergent herbicides - Post-emergent herbicides

Advice for farmers on resistance management now available online

June 13, 2020 | 2 min read
CropLife Australia has released its updated Resistance Management Strategies for fungicides, herbicides and insecticides.
Fungicides - Herbicide & fungicide resistance - Knockdown & pre-emergent herbicides - Post-emergent herbicides - Seed treatments & coatings - Seeds

Independent science based regulation needs defending from activist attacks and community ignorance

Feb. 19, 2020 | 3 min read
In an address to the inaugural international conference on the regulation of agvet chemicals and technologies at the University of New England, Chief Executive Officer of the peak industry organisation for the plant science sector, Matthew Cossey, declared that Independent science-based regulation needs defending from activist attacks and community ignorance.
Knockdown & pre-emergent herbicides - Post-emergent herbicides - Winter cropping

Update on late-season glyphosate use

Aug. 13, 2019 | 2 min read
The late-season use of glyphosate on barley, under emergency use permit (PER82594), is no longer permitted

Current issue

Inside this issue
Academia and industry working together
New taskforce for livestock transport
Managing stubble for improved weed control
Sowing rates to maintain yield and suppress weeds
Why leaders need to approach work with sensitvity and action
Supply fragility creates volatility in urea market
Academia and industry working together
New taskforce for livestock transport
Farmers to cash in on EOFY offers
Managing stubble for improved weed control
Sowing rates to maintain yield and suppress weeds
Why leaders need to approach work with sensitivity and action
Supply fragility creates volatility in urea market
Insights: Post-emergent herbicides; Rodent & pest control; Tropical agriculture & sugar cane
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