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Prnum Pesticide(MFG) Commodity (Crop Group) Category (Code) EPA Status 13156 B PYROXASULFONE KICHEM CABBAGE (DIRECT SEEDED) (05-16 = BRASSICA HEAD AND STEM VEGETABLE GROUP ) UNDER EVALUATION (06) Reasons for need: WILD BUCKWHEAT, NIGHTSHADES, SMARTWEEDS; VERY LIMITED OPTIONS FOR RESIDUAL WEED CONTROL IN CABBAGE; CURRENT PRODUCTS AVAILABLE DO NOT CONTROL WILD BUCKWHEAT, NIGHTSHADES OR SMARTWEEDS Efficacy/Crop Safety (E/CS) Data Required: E/CS Research Comments: Comments: NO KEY EXPORT MARKET NOTED:08/20; MFG CONFIRMED THIS NEEDS TO REMAIN UNDER EVAL:09/20; EPA GREEN:08/21, 08/22, 08/23 Field Res.Dir (FRD) Field ID# Field Data Track# Raw Data Data to MFG Performance Results & Comments Heider, Daniel J. 20-WI-DMP RECD 4966.pdf ZIDUA AT 1 AND 2 OZ PROD/A POSPRE; EXCELLENT CROP TOLERANCE AND WEED CONTROL; YIELD COMPARABLE TO HANDWEEDED CHECK. Heider, Daniel J. 21-WI-DMP RECD 5608.pdf 04/23 ZIDUA WG APPLIED BROADCAST AT 1.0 OR 2.0 OZ/A (0.053 OR 0.11 LB AI/A) OVER 1-LF ‘KAITLIN’ CABBAGE SEEDED IN A SANDY LOAM 19 DAYS EARLIER. LITTLE TO NO INJURY FROM LOW RATE. INJURY FROM HIGH RATE PEAKED AT 22% 28 DAYS AFTER APPLICATION. GOOD TO EXCELLENT WEED CONTROL FROM BOTH RATES. YIELD PER ACRE REDUCED 42 AND 52% BY LOW AND HIGH RATES, RESPECTIVELY, WHEN COMPARED TO WEED-FREE.