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Prnum Pesticide(MFG) Commodity (Crop Group) Category (Code) EPA Status 12868 A S-METOLACHLOR/METOLACHLOR SYNGEN,UPL NA FIELD PENNYCRESS (OIL SEED) (99 = MISC GROUP) COMPLETE WITH ON-GOING TRIALS (CC) Reasons for need: GRASS AND SOME BROADLEAF WEEDS; THIS IS ONE OF THE ONLY OPTIONS FOR FAIR-GOOD CONTROL OF PIGWEED AND WATERHEMP, TWO OF THE MOST PROBLEMATIC WEEDS OF THE REGION Efficacy/Crop Safety (E/CS) Data Required: E/CS Research Comments: Comments: NO KEY EXPORT MARKET NOTED; MFG CHANGED STATUS TO RESIDUE ONLY:05/20; EPA GREEN: 08/20; PER MFG. PSOT EMERGENCE ONLY AT 0.665 PT/A: 03/22; STUDY DELAYED UNTIL 2022 FIELD SEASON. 4/22;UPON FURTHER DISCUSSION WITH STAKEHOLDERS, THIS NEEDS TO BE REPRIORITIZED AT A FUTURE FOOD USE WORKSHOP BASED ON CURRENT USE PATTERNS: 04/22; EPA GREEN 08/22, 08/23; 2021 field trials (CA22, ID166, ID167, SD300 and SD301) not conducted. New A Priority obtained at 2023 FUW”:09/23/sb; Status changed from "Researchable, only res data needed" to "Complete w ongoing trials" 04/24/DRS; Field Res.Dir (FRD) Field ID# Field Data Track# Raw Data Data to MFG Performance Results & Comments Betts, Kevin 19-MN-DMP RECD 4920.pdf TWO TRIALS IN 2017 AND 2019. DUAL MAGNUM AT 2 PT/A APPLIED PRE-BOLT; GOOD CROP TOLERANCE. Betts, Kevin 21-MN-DMP RECD 5131.pdf 10/21 DUAL II MAGNUM APPLIED PREEMERGENCE, FALL POSTEMERGENCE, OR SPRING POSTEMERGENCE AT 0.665 TO 2.66 PT/A (0.64 TO 2.54 LB AI/A) TO FALL SEEDED PENNYCRESS GROWN ON A SILT LOAM: STAND REDUCTIONS WITH HIGHEST RATE. NO IMPACT ON HEIGHT. NO YIELD REDUCTION COMPARED TO UTC.