| Reduced Risk Status: |
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| IPM Compatibility: |
Per Requester: Very Good Fit; Data from field trials indicate good efficacy against small kochia. We have not observed crop injury from soil residual. A single application should be sufficient. We intend to always tank mix the product with another mode of action for product stewardship:11/24;
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| Reasons for need: |
Broadleaf weeds, especially kochia. Kochia has developed resistance to key herbicides used for preplant/preemergence burndown applications, including Express (Group 2), Roundup (Group 9), and Sharpen/Aim Group 14. The only effective burndown herbicide remaining is paraquat, which some growers prefer not to use. We need another burndown product that effectively controls kochia, but yet has little to no soil residual that could damage the crop:11/24; SD: SD also needs additional options to control kochia, which has become resistant to several herbicides:09/25;
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| Requesting State(s): |
ND:Jenks, B* ; SD:Reicks, G ;
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| PCR Use Pattern: |
Make one broadcast application of Armezon at 0.25 to 0.5 fl oz/a to emerged weeds just prior to seeding sunflower or just after seeding and prior to emergence;
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| EPA Default Residue Trials: |
5-3 7-4 8
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| IR-4 Residue Trial Plan: |
5-2 7-3 8 (1 processing). NAFTA: 5-3 7-3 8 14 (1 processing; 1 decline)
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| Residue Protocol Use Pattern: |
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| Efficacy/Crop Safety (E/CS) Data Required: |
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| E/CS Research Comments: |
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| Label Use Pattern Submitted To EPA: |
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| EPA PIF Status: |
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| EPA Status: |
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| EPA PRIA Date: |
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| MRID: |
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| Comments: |
XH692 dmp rpts forwarded to BASF:08/24. On 10/17/24, a new PCR was submitted from ND for Topramezone / Sunflower, but was withdrawn the same day. Therefore, this PR# was not converted, nor a new # established:10/24/sb; original dmp XH692 was converted to PR# 13920 when yet another new pcr was submitted:11/24/sb; Key Exports noted in Canada, Mexico, Spain South Korea; BASF approves as Potential, ECS before residue. Only crop safety data is needed 05/25/ds; BASF has updated their support from Potential to Researchable, Only Residue Data Needed:09/25/sb; since the intent was for the crop group to be covered, the 2025 FUW priority B has been changed to an A, to replace PR# 13917 / Safflower that will be covered by this Sunflower (rep crop) project:10/25/sb; Status updated to COMPLETE WITH ON-GOING TRIALS 03/26/ds
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| International Status: |
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| Archive Location: |
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| QA Archive: |
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