| Reduced Risk Status: |
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| IPM Compatibility: |
Per Requester: Very Good Fit; Data from field trials indicate good efficacy against small kochia. There is no residual impact in soil. A single application should be sufficient. We intend to always tank mix the product with another mode of action for product stewardship.
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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 residual that could damage the crop:07/24; TX-Sunflower producers need additional tools for managing broadleaf weeds for preventing and managing resistance among weeds to currently labelled products:08/24; ND-Sunflower growers need herbicides that will control resistant kochia and other weeds prior to crop emergenc:09/24;
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| Requesting State(s): |
ND:Jenks, B*, Sandbakken, J, ; TX:Cochran, K ;
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| PCR Use Pattern: |
Make one broadcast application of bromoxynil at 0.25 lb ai/a prior to seeding sunflower or after seeding but prior to sunflower emergence.
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| EPA Default Residue Trials: |
5-3 7-4 8
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| IR-4 Residue Trial Plan: |
5-3 7-4 8; 1 DECLINE & 1 PROCESSING (MEAL, OIL); NAFTA: 5-3 7-3 8 14 (1 DECLINE & 1 PROCESSING MEAL, REFINED OIL)
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| Residue Protocol Use Pattern: |
USE THE MAESTRO 4EC PRODUCT (4.0 LB AE/GAL); MAKE A SINGLE SOIL BROADCAST APPLIC OF 0.312 LB AE/A, PRIOR TO SEEDING, OR AFTER SEEDING BUT BEFORE EMERGENCE, IN 10-20 GPA, INCLUDING A LABEL RATE OF AN ADJUVANT; IN THE TRIAL FOR PROCESSING SAMPLES, INCLUDE A SECOND TREATED PLOT WITH A 5X RATE OF TEST SUBSTANCE (1.56 LB AE/A)
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| Efficacy/Crop Safety (E/CS) Data Required: |
YES - TBD
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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: |
YELLOW:01/25
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| EPA Status: |
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| EPA PRIA Date: |
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| MRID: |
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| Comments: |
Key Export Markets: Canada, Mexico, Spain & South Korea:07/24; NuFarm supports as Researchable, Residue & E/CS Data Needed:09/24/sb; Canada must work with Bayer:10/24/sb; NuFarm supports as Researchable, Residue & E/CS Data Needed:09/24/sb; Nufarm advised status update from Researchable, Residue & E/CS Data Needed to Researchable, Only Residue Data Needed:10/24/sb; EPA Caution:01/25/sb; Status updated to "Complete w ongoing trials" 04/25/ds;
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| International Status: |
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| Archive Location: |
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| QA Archive: |
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