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Prnum Pesticide(MFG) Commodity (Crop Group) Category (Code) EPA Status 10974 LINURON TKI CARINATA (BRASSICA CARINATA) (20A = RAPESEED SUBGROUP) RESEARCHABLE, ONLY RESIDUE DATA NEEDED (03) Reasons for need: SEE IF BRASSICA CAN BE PLANTED IN THE FALL AFTER USE IN SUMMER APPLIC THE SAME YEAR (CURRENTLY 16-18 MONTH PLANT-BACK RESTRICTION); PER NC ME-TOO REQUEST: RESEARCH IN NC HAS SHOWN HIGH SENSITIVITY OF BRASSICA CARINATA TO PSII INHIBITORS; ROTATIONAL CROP RESTRICTIONS TO PROPERLY DESIGN CROP ROTATIONS IN THE SOUTHEASTERN US, WHERE CARINATA WILL BE GROWN AS A WINTER CROP Efficacy/Crop Safety (E/CS) Data Required: E/CS Research Comments: IN IR-4 2021 AND 2022 PERFORMANCE PROTOCOLS: COLLECTING PERFORMANCE DATA TO SUPPORT REDUCTION OF THE REGISTERED ROTATIONAL INTERVAL FOR BRASSICA CARINATA FOLLOWING APPLIC OF LINURON; IN 2021, TESTING 1.0 AND 1.5 LB AI/A RATES OF LINEX 4L, WITH EACH RATE APPLIED SOIL BROADCAST AT 30, 60, 90 AND 120 DAYS PRIOR TO SEEDING, IN AT LEAST 15 GPA; COLLECT DATA ON PLANT STAND AND PLANT VIGOR (WEED CONTROL AND CROP YIELD DATA NOT REQUIRED); THE 2022 PERFORMANCE PROTOCOL INCLUDES USE PATTERN AND EVALUATION REQUIREMENTS SIMILAR TO DETAILS IN THE 2021 PROTOCOL Comments: IS NOT CURRENTLY LABELED ON CANOLA; REQUEST IS TO REDUCE ROTATIONAL CROP RESTRICTION ON THE CURRENT LABEL:06/12; MFG OK:02/13; POTENTIAL CHANGED TO E/CS DATA ON-GOING:12/20; STATUS UPDATED TO RESEARCHABLE, E/CS ON-GOING; RESIDUE DATA NEEDED:10/22; YELLOW 08/23, 08/24; per TKI, category updated to RESEARCHABLE,ONLY RESIDUE DATA NEEDED now:02/24/sb Field Res.Dir (FRD) Field ID# Field Data Track# Raw Data Data to MFG Performance Results & Comments Devkota, Pratap 21-FLP09 NA TRIAL NOT COMPLETED DUE TO WEATHER RELATED POOR STAND ESTABLISHMENT, WILL BE CONTINUED IN 2022. Devkota, Pratap 22-FLP08 RECD 5630.pdf 10/23 LINEX 4L APPLIED BROADCAST AT 2 OR 3 PT/A (1.0 OR 1.5 LB AI/A) AT 120, 90, 60, OR 30 DAYS BEFORE PLANTING (DBP) OF BRASSICA CARINATA IN A RED BAY FINE SANDY LOAM. SOME LOW LEVEL CROP INJURY (≤13%) 2 WEEKS AFTER PLANTING (WAP). MODERATE TO SEVERE INJURY SEEN 4 WAP FROM BOTH RATES 30 DBP (34 AND 90%) AND HIGH RATE 60 DBP (58%). THESE NUMBERS WERE SIMILAR TO STAND REDUCTIONS CAUSED BY THESE TREATMENTS. CROP KILLED BY SEVERE COLD WEATHER, NO YIELD DATA COLLECTED. Performance Summary 23-HQ-SUM RECD 5640.pdf 10/23 SUMMARY OF IR-4 PRODUCT PERFORMANCE PREPARED BY RBB. INCLUDES DATA FROM FT ID# 21-FLP09, 21-NCP04 & 22-FLP08. FORWARDED TO TKI:10/23 Leon, Ramon G 21-NCP04 RECD 5190.pdf 12/21 LINEX 4L APPLIED BROADCAST AT 2 OR 3 PT/A (1.0 OR 1.5 LB AI/A) AT 120, 90, 60, OR 30 DAYS BEFORE PLANTING (DBP) OF BRASSICA CARINATA IN A WICKHAM LOAMY SAND. NO PHYTO OR PLANT VIGOR IMPACTS. THOUGH NOT STATISTICALLY DIFFERENT, LINURON REDUCED CROP DENSITY 13 – 28% AND 37 – 55% BY 2 AND 3 PT/A, RESPECTIVELY, 39 DAYS AFTER PLANTING.