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the claim

Halosulfuron-methyl kills nutsedge through selective ALS enzyme inhibition

the verdict
SUPPORTED
the evidence backs this
Recorded sources
4 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Halosulfuron-methyl is well-documented as an effective postemergence herbicide for controlling yellow and purple nutsedge by targeting the acetolactate synthase (ALS) enzyme.

The analysis

The claim is specific and empirical, addressing the mechanism and target weed of halosulfuron-methyl. Retrieved papers consistently discuss halosulfuron as an effective agent against nutsedge species, and studies on resistant populations (such as Paper 8) confirm that the mechanism is indeed targeted at the ALS enzyme. Therefore, the evidence supports the claim.

Evidence for · 4
Control of yellow and purple nutsedge in elevated CO2 environments with glyphosate and halosulfuron.
Recorded source metadata

Marble SC, Prior SA, Runion GB, Torbert HA. Control of yellow and purple nutsedge in elevated CO2 environments with glyphosate and halosulfuron.. 2015. https://doi.org/10.3389/fpls.2015.00001

Paper 2 studies halosulfuron efficacy for postemergence control of purple and yellow nutsedge.

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More for · 3
Halosulfuron Reduced Purple Nutsedge (<i>Cyperus rotundus</i>) Tuber Production and Viability
Recorded source metadata

Theodore M. Webster, Timothy L. Grey. Halosulfuron Reduced Purple Nutsedge (<i>Cyperus rotundus</i>) Tuber Production and Viability. 2014. https://doi.org/10.1614/ws-d-14-00032.1

Paper 3 demonstrates that halosulfuron is an effective herbicide for controlling purple nutsedge foliage and reducing tuber viability.

PRE herbicides and POST halosulfuron for purple nutsedge control in tomato grown in plasticulture systems
Recorded source metadata

Jialin Yu, Shaun S. Sharpe, Nathan S. Boyd. PRE herbicides and POST halosulfuron for purple nutsedge control in tomato grown in plasticulture systems. 2020. https://doi.org/10.1017/wet.2020.24

Paper 5 confirms halosulfuron applied post-transplantation provides season-long purple nutsedge control.

Occurrence of Resistance to ALS Inhibitors in European Cyperus esculentus L.: Characterisation and Implications for Management
Recorded source metadata

L. Scarabel, S. Farinati, M. Sattin. Occurrence of Resistance to ALS Inhibitors in European Cyperus esculentus L.: Characterisation and Implications for Management. 2020. https://doi.org/10.3390/agronomy10081133

Paper 8 analyzes resistance to halosulfuron and azimsulfuron through target-site acetolactate synthase (ALS) mutations, confirming the herbicide's mode of action.

The paper trail · every fact has a biography
first checked01 Aug 2026
judged → SUPPORTED · 8601 Aug 2026
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