| Reduced Risk Status: |
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| IPM Compatibility: |
Per Requester: Very Good Fit; Vegetable growers have limited weed management tools and this herbicide is critical to a sustainable management program;02/26;
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| Reasons for need: |
Broadleaf weeds such as morningglory, amaranth and ragweed parthenium as well as small annual grasses. Few herbicide options are available and challenges with glyphosate and paraquat highlight the importance of making this tool available for farmers:02/26; TN: broadleaf weeds, limited herbicide options:06/26; TX: Broccoli producers struggle with weed control, particularly ragweed, amaranth, and morning glory:07/26;
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| Requesting State(s): |
GA:Culpepper, S* ; MS:Henn, A ; NC:Jennings, K ; TN:Wright-Smith, H ; TX:Cochran, K ;
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| PCR Use Pattern: |
Use Liberty Ultra. Make up to 3 apps per crop as broadcast preplant burndown and/or hooded row mid sprays in bareground/plastic mulch systems. In plastic mulch systems, make 1 or 2 apps preplant burndown over mulch before planting plus a max of 2 hooded apps, again not to exceed 3 apps in total. Do not apply more than 1.17 lb ai/a in a single apps & no more than 1.59 lb ai/a per crop season. Apps should be at least 14 days apart & no closer than 14 days prior to harvest. Follow 2025 Liberty 280SL supplemental label for Georgia fruiting veg for guidelines on preplant interval in different soil types, requirements for removing product from mulch surface, & minimum distance between row mid spray solution & crop. BASF supports proposed use pattern preplant burndown (PPB) targeting 0.40 lb ai/A of Glufosinate-P (use rate of LIBERTY ULTRA at 29 fl ozs/A). BASF requests at least 3 crop safety trials in prominent broccoli growing areas (AZ, CA, FL, GA, muck ?) when glufosinate-P is applied PPB at exaggerated rates
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| EPA Default Residue Trials: |
6 10-6 12
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| IR-4 Residue Trial Plan: |
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| Residue Protocol Use Pattern: |
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| Efficacy/Crop Safety (E/CS) Data Required: |
The PCR also mentions “hooded postemergence row middles application”. BASF is fully supportive of the PPB application, but is hesitant to fully support row middles application because no crop safety data has been made available for that particular application in broccoli. The crop safety data developed for this PCR will need to include the row middles application (targeting a 1X use rate of LIBERTY ULTRA at 29 fl ozs/A):06/26/sb;
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| E/CS Research Comments: |
Per BASF, no efficacy data is needed, but crop safety data using the Glufosinate-P based formulated product LIBERTY ULTRA is requested:06/26/sb;
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| Label Use Pattern Submitted To EPA: |
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| EPA PIF Status: |
Green:08/26;
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| EPA Status: |
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| EPA PRIA Date: |
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| MRID: |
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| Comments: |
BASF supports as Researchable, Res & E/CS data needed, with the proposed use pattern added to PCR Use Pattern field:08/26/sb;
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| International Status: |
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| Archive Location: |
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| QA Archive: |
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