| Reduced Risk Status: |
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| IPM Compatibility: |
PER REQUESTOR, GOODFIT. POWDERY MILDEW IS THE MOST ECONOMICALLY IMPORTANT DISEASE OF STRAWBERRY FOLIAGE IN CA. GF-4031 IS A SECOND MEMBER OF FRAC 13. ALTHOUGH SOME RESISTANCE TO FRAC 13 HAS BEEN REPORTED IN CA, CROSS RESISTANCE TO GF-4031 IA REPORTED TO BE LESS LIKELY. EFFICACY IS AMONG THE BEST PRODUCTS AVAILABLE. THE REI AND PHI ARE COMPATIBLE WITH CA STRAWBERRY GROWING PRACTICES.
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| Reasons for need: |
EFFECTIVE FUNGICIDES ARE NEEDED FOR POWDERY MILDEW CONTROL.
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| Requesting State(s): |
CA:Holmes, G* ;
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| PCR Use Pattern: |
GF-4031, 0.03 TO 0.04 LB AI/A (EQUIVALENT TO 35 TO 50 G AI/HA. APPLY FOLIARLY WITH 3 APPLICATIONS MAX PER SEASON (NO MORE THAN 2 CONSECUTIVE APPLICATIONS BEFORE ROTATING TO AN EFFECTIVE FUNGICIDE WITH A DIFFERENT MODE OF ACTION). PHI OF 1 DAY. GF-4031 IS A PROTECTANT FUNGICIDE FOR THE CONTROL OF POWDERY MILDEW ONLY. FOR OPTIMUM EFFICACY, APPLY GF-4031 PRIOR TO VISIBLE SYMPTOMS OF POWDERY MILDEW. USE SHORT APPLICATION INTERVAL WHEN DISASE PRESSURE IS HIGH. APPLY BY GROUND APPLLICATION IN A MINIMUM SPRAY VOLUME OF 30 GAL/A. DO NOT APPLY BY AIR OR CHEMIGATION.
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| EPA Default Residue Trials: |
1 2 3 5 10-3 12
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| IR-4 Residue Trial Plan: |
1 2 3 5 10-3 12
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| Residue Protocol Use Pattern: |
USE THE GF-4031 FUNGICIDE PRODUCT (1.67 LB AI/GAL); MAKE 3 FOLIAR APPLIC OF 0.0669 LB AI/A, IN 30-50 GPA, 7-DAY INTERVAL, 1-DAY PHI; ALL APPLIC SHALL INCLUDE A LABELED RATE OF AN ADJUVANT
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| Efficacy/Crop Safety (E/CS) Data Required: |
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| E/CS Research Comments: |
IN THE 2023 PERFORMANCE PROTOCOL: TESTING TWO RATES OF GF-4031 (3.42 AND 5.13 FL OZ PRODUCT/A) COMPARED WITH A CYFLUFENAMID [OR OTHER] STANDARD, FOR POWDERY MILDEW CONTROL; ADD AN NIS AT 0.125% TO EACH TRMT; APPLY TRMTS BEFORE OR AT FIRST SIGN OF DISEASE, AND CONTINUE APPLIC AT 10-14 DAY INTERVALS UNTIL THERE ARE NO MORE TRMT DIFFERENCES OR 10-14 DAYS TO FINAL HARVEST; EVALUATE DISEASE INCIDENCE AND SEVERITY, AND CROP INJURY; COLLECTION OF YIELD DATA IS OPTIONAL; at NRPM, it was noted 23-CAP11 was unable to be conducted in '23 so will be done in '24 (same ft id#, no add'l $):10/23/sb,
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| Label Use Pattern Submitted To EPA: |
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| EPA PIF Status: |
Blue 12/21
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| MRID: |
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| Comments: |
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| International Status: |
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