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General Search of Food Request Database. IR-4 Food Use Request.
This page includes all the trials related to the PR#.
      

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PR#PriorityPesticide(MFG)Commodity (Crop Group)Project Status
13741 A MEFENTRIFLUCONAZOLE ( BASF ) BROCCOLI ( 05-16 = BRASSICA HEAD AND STEM VEGETABLE GROUP ) RESEARCHABLE, RESIDUE & E/CS DATA NEEDED

Reduced Risk Status:
IPM Compatibility: Per Req: Very Good Fit; Some fungal pathogens have figured out how to “sneak” past other DMI’s (triazoles) by altering the shape of their binding pockets. Conventional DMIs are rigid and cannot bind as easily to the altered shape of these binding pockets. They fail to control the disease effectively. This shows up in the field as fungicide resistance. Cevya Fungicide from BASF molecular flexibility can overcome these changes in binding pockets, providing strong performance even on some fungicide-resistant or shifted strains. If you have a molecule, like Cevya (mefentrufluconazole) fungicide that has this capability, you can use lower concentrations (i.e. lower EC50 values, higher intrinsic activity) If you have a molecule that has a poorer fit, you need to overload the system to have the same impact. This new fungicide from BASF appears to provide a long residual efficacy, excellent perf & a favorable environmental profile to give growers the flexibility they need to combat the pathogen resistance:08/23
Reasons for need: Alternaria leaf spot (ALS); The disease is of growing concern to growers nationwide particularly in the Southwestern US/Coastal CA because of decreasing efficacy of narrow number of chemical fungicides available to control the disease. Furthermore due to the limited available chemistries the risk of pathogen resistance to the limited modes of action is considerably large. The goal of this study shall be to generate efficacy and phytotoxicity data to support the registration of Cevya (mefentrifluconazole) to control ALS:08/23; VA/Disease is of high concern for Southeastern growers. Limited availability of chemistries for resistance management:09/23
Requesting State(s): AZ:Hu, J* ; OR:Ocamb, C ; VA:Higgins, D ;
PCR Use Pattern: Apply Cevya at 5 fl oz/A as a foliar spray 3 times every 7 days, PHI = 0 days.
EPA Default Residue Trials: 6 10-6 12
IR-4 Residue Trial Plan: 6 10-4 12 (decline); NAFTA, 5-2, 10-6
Residue Protocol Use Pattern:
Efficacy/Crop Safety (E/CS) Data Required: MFG requires both E and CS data from at least 3-4 trials in California to generate the required data to secure registration with CA-DPR
E/CS Research Comments:
Label Use Pattern Submitted To EPA:
EPA PIF Status:
EPA Status:
EPA PRIA Date:
MRID:
Comments: Requester is looking for CA registration:08/23; Mfg supports as "Researchable, Residue and E/CS data needed" & mfg suggests adding additional decline sampling points for the RAC in the MOR trials to evaluate residue data from multiple PHI and offers to conduct the analytical phase of the residue program.:08/23/sb
International Status:
Archive Location:
QA Archive:

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Field Research DirectorExpediteTrial DelayField ID#RFCTO QAHQ RECD.Lab ID#Lab RECDLab CompProc. IDProc. ShippedProc. ReportRaw DataS Dir./Auditor
MARCONI


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