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Prnum Pesticide(MFG) Commodity (Crop Group) Category (Code) EPA Status 12535 A FLUXAPYROXAD + PYRACLOSTROBIN BASF STEVIA (25AB = HERB FRESH AND DRIED LEAVES SUBGROUP) USE REGISTERED (24) 1E8980 PEND:11/21 QA:01/21 SUB:12/21 PROP:04/22 RULE:08/23 LABEL:10/23 Reasons for need: SEPTORIA STEVIAE; NEEDED TO REDUCE LEAF LESIONS AND YIELD LOSS; SEPTORIA LEAF SPOT IS ONE OF THE MOST IMPORTANT PATHOGENS OF STEVIA IN THE U.S.; STEVIA IS HARVESTED FOR ITS LEAVES AND SEPTORIA LEAF SPOT CAN COMPLETELY DEFOLIATE PLANTS PRIOR TO HARVEST LEADING TO HUGE YIELD LOSSES; THERE ARE NO FUNGICIDES REGISTERED FOR STEVIA AND HAVING PRODUCTS TO MANAGE S. STEVIAE IS CRITICAL TO EXPANDED PRODUCTION OF THIS CROP IN THE U.S. Efficacy/Crop Safety (E/CS) Data Required: MFG REQUIRES 2 PRODUCT PERFORMANCE TRIALS (BOTH CROP SAFETY AND EFFICACY), WITH MULTIPLE TREATMENTS TO COVER 1X, 2X AND 4X USE RATES:09/18; BASF CONFIRMED THAT SUFFICIENT EFFICACY/CROP SAFETY DATA HAS BEEN PROVIDED, AND NO MORE IS NEEDED:01/08/20 E/CS Research Comments: PER 2019 PERFORMANCE PROTOCOL: TESTING PRIAXOR XEMIUM BRAND FUNGICIDE AT 8, 16 AND 32 FL OZ PRODUCT/A (1X, 2X, 4X) VS THE STANDARD ELATUS (AZOXYSTROBIN + BENZOVINDIFLUPYR), 2 FOLIAR APPLIC AT A 14-DAY INTERVAL STARTING WHEN FAVORABLE CONDITIONS BEGIN FOR SEPTORIA LEAF SPOT, 30-100 GPA; EVALUATE DISEASE INCIDENCE AND SEVERITY ON FOLIAGE AT EACH APPLIC AND AT 2-WK INTERVALS TILL TRIAL CONCLUSION; ASSESS CROP SAFETY (AT 1, 2, 4 WK AFTER 1ST APPLIC AND AT TRIAL CONCLUSION); AND ASSESS YIELD, SIMULATING A STANDARD HARVEST AND A LATE-SEASON HARVEST Comments: NO EXPORT MARKET NOTED; WOULD LIKELY NEED RESIDUE DATA ON EACH AI:06/18; MFG SUPPORTSEPA GREEN:09/18 THIS USE OF PRIAXOR, RESIDUE AND E/CS (MFG WILL PROVIDE SOME FINANCIAL HELP FOR THE E/CS RESEARCH):09/18; EPA GREEN:09/18; ADDED TO 2019 RESEARCH PLAN VIA AN ACCEPTED SOR REGIONAL UPGRADE:10/18; based on an email from BASF, they have secured EPA approval and have now released product labels into the marketplace for fungicide product PRIAXOR:10/23/sb Field Res.Dir (FRD) Field ID# Field Data Track# Raw Data Data to MFG Performance Results & Comments Shew, H. David 17-NC-DMP RECD 4554.pdf FOUR TRIALS IN 2 LOCATIONS IN 2016 AND 2017. PRIAXOR AT 8 FL OZ/A APPLIED FOLIAR TWICE AT 14- OR 21-DAY INTERVALS; EFFECTIVE CONTROL OF HIGH SEPTORIA LEAF SPOT PRESSURES, RESULTING IN YIELD INCREASES. NO PHYTOTOXICITY. Koehler, Alyssa 19-DE-DMP RECD 4859.pdf TRIAL 3 IN UNIVERSITY OF DELAWARE. PRIAXOR AT 1X, 2X AND 4X RATES; EFFECTIVE CONTROL OF SEPTORIA LEAF SPOT. NO PHYTOTOXICITY. Shew, H. David 19-NCP06 RECD 4859.pdf TRIAL 1 IN ROCKY MOUNT. PRIAXOR AT 1X, 2X AND 4X RATES; EFFECTIVE CONTROL OF HIGH SEPTORIA LEAF SPOT PRESSURE, RESULTING IN YIELD INCREASES. NO PHYTOTOXICITY. Shew, H. David 19-NCP07 RECD 4859.pdf TRIAL 2 IN LAURINBURG. PRIAXOR AT 1X, 2X AND 4X RATES; EFFECTIVE CONTROL OF SEPTORIA LEAF SPOT. NO PHYTOTOXICITY.