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PR#PriorityPesticide(MFG)Commodity (Crop Group)Project Status
13705 A NAA ( AMVAC ) HAZELNUT (FILBERT) ( 14-12 = TREE NUT GROUP ) COMPLETE WITH ON-GOING TRIALS

Reduced Risk Status:
IPM Compatibility: Per Requester: Very Good Fit; NAA has lower volatility when compared to 2,4-D, and can be used safely in season with reduced concerns of crop damage. As it suppresses sucker growth for up to four weeks, it can help reduce the number of applications per season targeting suckers. We are also mixing NAA with latex paint and applying to the trunk to suppress suckers and water sprouts; VERY GOOD FIT: SAME: WSR
Reasons for need: Hazelnut suckers control, NAA has lower volatility when compared to 2,4-D, and can be used safely in season with reduced concerns of crop damage. As it suppresses sucker growth for up to four weeks, it can help reduce the number of applications per season targeting suckers. We are also mixing NAA with latex paint and applying to the trunk to suppress suckers and water sprouts:08/23
Requesting State(s): OR:Moretti, M* ;
PCR Use Pattern: Copied from PR# 13065; USE THE TREE-HOLD SPROUT INHIBITOR A-112 PRODUCT; MAKE 2 SOIL DIRECTED BASAL APPLIC OF A 1% AI SOLUTION, V/V, 28-DAY INTERVAL; NO PHI NOTED; APPLY AS A DIRECTED SPRAY TO THE LOWER TREE TRUNKS AND IMMEDIATE SURROUNDING AREA; MAKE 1ST APPPLIC WHEN SUCKERS ARE LESS THAN 1 INCH (USUALLY APRIL TO EARLY MAY IN THE WILLLAMETTE VALLEY); APPLY IN A DILUTE VOLUME OF UP TO 44 GPA, USING A NOZZLE THAT GENERATES COARSE DROPLETS, AND DIRECT THE SPRAY TO THE BASE OF THE TREES; IF NEEDED RE-APPLY IN 28 DAYS; DO NOT APPLY BY AIR; DO NOT ALLOW SPRAY TO SPLASH OR DRIP ONTO OTHER PARTS OF THE TREE; CHANGE IN THE USE PATTER AS AGREED BY REQUESTER AND REGISTRANT- 2 APPLIC, 30 DAYS RETREATMENT INTERVAL; 45 DAYS PHI:04/22; Based on guidance on NAA from EPA, MFG suggests the use pattern include the following: Apply product as a directed spray to the lower tree trunks and up to 12 inches (1 foot) around the base of the tree:09/23
EPA Default Residue Trials:
IR-4 Residue Trial Plan: Any 4
Residue Protocol Use Pattern: USE THE TREE-HOLD A-112 SPROUT INHIBITOR PRODUCT (15.1% 1-NAPHTHALENE ACETIC ACID, ETHYL ESTER 1-NAPHTHALENE ACETIC ACID [NAA] EQUIVALENT, 1 LB AI/GAL OR 13.2% BY WEIGHT); PRUNE SUCKERS (SPROUTS) PRIOR TO EACH APPLIC AND MAKE APPLIC PER GROWER PRACTICES WITHIN 2 DAYS OF PRUNING; MAKE 2 APPLIC OF 1% W/V AI SOLUTION, IN 44 GPA, 30-DAY INTERVAL, 45-DAY PHI; TAPERED NOZZLES THAT DELIVER AT LEAST COARSE DROPLETS ARE REQUIRED; CONCENTRATE THE TEST SUBSTANCE IN THE TREATED AREA; APPLY THE SOLUTION TO THE PRUNED SUCKERS AT THE LOWER 2 FT OF THE TREE TRUNK, WITH A SMALL HAND-HELD SPRAYER, BACKPACK SPRAYER OR POWER OPERATED HERBICIDE SPRAY EQUIPMENT WITH ATTACHED HAND GUN OR TRUNK DIRECTED NOZZLE; MAINTAIN LOW SPRAY PRESSURE NOT TO EXCEED 25 PSI TO AVOID SPRAY DRIFT; ALL APPLC SHALL INCLUDE NONIONIC SURFACTANT (NIS) AT 0.25% V/V
Efficacy/Crop Safety (E/CS) Data Required:
E/CS Research Comments:
Label Use Pattern Submitted To EPA:
EPA PIF Status: Green 12/23
EPA Status:
EPA PRIA Date:
MRID:
Comments: The residue project for this study was canceled under PR# 13065, with performance still ongoing, and a new pcr & # was needed to review for residue again, which was rec'd:8/23; Mfg supports as "Researchable, Residue & E/CS Data Needed:08/23; Mfg updated support at 2023 FUW from Researchable, Residue & E/CS data Needed to "Residue only", but with phyto observations with the residue:09/23/sb; EPA Green 12/23; Status updated to complete w ongoing trials 05/24/drs; E/CS completed under PR# P13065, which will now be covered under this PR# 13705:06/24/sb
International Status:
Archive Location:
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Field Research DirectorExpediteTrial DelayField ID#RFCTO QAHQ RECD.Lab ID#Lab RECDLab CompProc. IDProc. ShippedProc. ReportRaw DataS Dir./Auditor
Robinson, Matthew 24-OR268 24-CAR15 MARCONI WSR
Robinson, Matthew 24-OR269 24-CAR15 MARCONI WSR
Robinson, Matthew 24-OR270 24-CAR15 MARCONI WSR
Lightle, Dani 24-OR271 24-CAR15 DISCARD MARCONI WSR
Robinson, Matthew 25-OR02 24-CAR15 MARCONI WSR


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