| Reduced Risk Status: |
THIS AI HAS BEEN CLASSIFIED AS RR FOR ONE OR MORE FOOD USES.
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| IPM Compatibility: |
PER REQUESTER: GOOD IPM FIT; THE MATERIAL IS USED ON AT-RISK SOIL TYPES AND ON VARIETIES THAT ARE HIGHLY SUSCEPTIBLE TO PYTHIUM WILT; RESISTANT VARIETIES CAN BE USED WHERE APPROPRIATE TO ALSO MANAGE THIS DISEASE:01/21
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| Reasons for need: |
PYTHIUM UNCINULATUM; TO CONTROL PYTHIUM WILT
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| Requesting State(s): |
CA:Smith, R* ;
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| PCR Use Pattern: |
USE RIDOMIL GOLD SL PRODUCT; MAKE 1-2 SOIL APPLIED DRIP OR SHANK APPLIC; 0.5-1.0 LB AI/A; RETREAT 7 DAYS; 7-DAY PHI; APPLIC UP TO THINNING (28 DAYS AFTER SEEDING LETTUCE) OR UP TO 14 DAYS AFTER TRANSPLANTING LETTUCE SEEDLINGS; THIS USE REQUEST IS FOR A SOIL APPLIC; RATES PROPOSED HERE ARE NOT FOR FOLIAR APPLIC; MATERIAL MUST BE MOVED INTO THE ROOT ZONE OF THE PLANT WITH SUFFICIENT WATER TO PROTECT ROOTS:02/21
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| EPA Default Residue Trials: |
HEAD: 1/2 3 10-6 LEAF: 1/2 3 10-6
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| IR-4 Residue Trial Plan: |
HEAD: 1/2 3 10-6 LEAF: 1/2 3 10-6 (2 trials necessary for 2023)
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| Residue Protocol Use Pattern: |
USE THE RIDOMIL GOLD SC (or METALAXYL-M SC (480)) PRODUCT (4 LB AI OF MEFENOXAM ACTIVE INGREDIENT/GAL OF PRODUCT); MAKE 2 BANDED APPLIC OF 1 LB AI/A TO THE GROUND, IN 20-50 GPA, 30-DAY INTERVAL, 30-DAY PHI; THE APPLIC BAND SHOULD BE ABOUT 7 INCHES WIDE ALONG EACH SIDE OF THE LETTUCE PLANTS, DIRECTING THE SOLUTION TO THE SOIL NEAR THE BASE OF THE PLANTS; CALCULATE THE RATE USING THE BAND WIDTH; WITHIN 24 HR AFTER APPLIC, APPLY 0.5-1.0 INCH OF IRRIGATION WATER TO MOVE THE PRODUCT INTO THE ROOT ZONE
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| Efficacy/Crop Safety (E/CS) Data Required: |
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| E/CS Research Comments: |
IN THE 2022 PERFORMANCE PROTOCOL: EVALUATING PRODUCT PERFORMANCE ON COMMERCIAL VARIETIES SUSCEPTIBLE TO PYTHIUM WILT; TEST RIDOMIL GOLD SL AT 2.0 PT/A IN 20-50 GPA, WITH EITHER 2 BANDED APPLIC OR 2 DRIP APPLIC (AT A 30-DAY INTERVAL, STARTING AT FIRST SIGNS OF DISEASE DEVELOPMENT); OR 1 DRIP APPLIC PRIOR TO PLANTING OR AT PLANTING (SEE PROTOCOL FOR MORE DETAILED DIRECTIONS ABOUT APPLIC TIMING AND OTHER USE PATTERN REQUIREMENTS); EVALUATE USING DISEASE RATINGS MULTIPLE TIMES, AND ASSESS CROP INJURY; SEE THE 2023 PERFORMANCE PROTOCOL FOR SIMILAR TREATMENT DETAILS AND EVALUATIONS AS IN THE 2022 PROTOCOL
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| Label Use Pattern Submitted To EPA: |
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| EPA PIF Status: |
GREEN:08/21
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| EPA Status: |
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| EPA PRIA Date: |
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| MRID: |
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| Comments: |
CANADA IS THE KEY EXPORT MARKET; EPA GREEN:08/21
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| International Status: |
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| Archive Location: |
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| QA Archive: |
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