| Reduced Risk Status: |
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| IPM Compatibility: |
PER REQUESTER: VERY GOOD FIT; THIS PRODUCT PROVIDES A NEW FRAC CODE AND PROVIDES EFFECTIVE, LONG-LASTING PROTECTION:08/22
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| Reasons for need: |
STEMPHYLIUM VESICARIUM; CURRENTLY REGISTERED PRODUCTS INCLUDE PROTECTANTS AND STROBILURINS. NEW, MORE EFFECTIVE ACTIVES ARE NEEDED; CA: CA growers have problems with Stemphylium on spears during harvest if weather is rainy. The pathogen reproduces and carries over the fall/winter on infected fern. Controlling the disease during the fern phase is critical to preventing problems during harvest, when nothing can be sprayed:01/25; NJ: Very similar to CA, Stemphylium causes spears to be unmarketable due to appearance. If disease is not controlled in fern stage, yields are greatly reduced in the following harvest season:01/25; DE: there are not many products available for purple spot on asparagus and rotational products are important for disease. our current products are not as good as they once were:01/25;
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| Requesting State(s): |
CA:Aegerter, B ; DE:Fifer, R ; MI:Hausbeck, M* ; NJ:Walker, S, Wyenandt, A ;
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| PCR Use Pattern: |
MERIVON SC; DOSAGE-11 FL OZ/A; FOLIAR APPLICATION, 5 APPLICATIONS, RTI 14 DAYS, PHI 7 MONTHS
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| EPA Default Residue Trials: |
2 5-2 10-3 11-2
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| IR-4 Residue Trial Plan: |
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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: |
PR# 13489 (MIRAVIS PRIME [PYDIFLUMETOFEN + FLUDIOXONIL]) E/CS WORK IS COVERED UNDER THIS PROJECT; PER 2023 PERFORMANCE PROTOCOL: TESTING MERIVON XEMIUM (FLUXAPYROXAD 21.26% + PYRACLOSTROBIN 21.26%) AND MIRAVIS PRIME (PYDIFLUMETOFEN 12.8% + FLUDIOXONIL 21.4%) FOR PURPLE SPOT CONTROL ON ASPARAGUS FERNS; MAKE 3 FOLIAR APPLIC OF MERIVON XEMIUM TREATMENTS (2 RATES, WITH/WITHOUT NIS, 7-DAY INTERVAL) VS 2 APPLIC OF MIRAVIS PRIME + NIS (14-DAY INTERVAL), ALL IN 20-60 GPA; COMPARE VS A CHLOROTHALONIL STANDARD; BEGIN SPRAYS WHEN WEATHER IS FAVORABLE FOR INFECTION OR AT FIRST SIGNS OF DISEASE; EVALUATE EFFICACY AND CROP SAFETY; SEE PROTOCOL FOR MUCH MORE TREATMENT DETAIL;
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| Label Use Pattern Submitted To EPA: |
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| EPA PIF Status: |
YELLOW 08/23
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| EPA Status: |
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| EPA PRIA Date: |
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| MRID: |
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| Comments: |
ORIGINALLY, POTENTIAL: E/CS DATA BEFORE APPROVAL FOR RESIDUE, CHANGED TO E/CS DATA ONGOING: 03/23, JPB; THE PERFORMANCE PROTOCOL FOR THIS PR# IS ASSOCIATED WITH PR# 13489 RESULTS FROM TEH PROTOCOL WILL BE POSTED TO BOTH PR#'S: 03/23, JPB; YELLOW 08/23; Two Performance trials completed 2023, awaiting decisions for moving forward with Residue studies from MFG.: 01/24, JPB;
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| International Status: |
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| Archive Location: |
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| QA Archive: |
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