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Prnum Pesticide(MFG) Commodity (Crop Group) Category (Code) EPA Status 14033 METAMITRON ADAMA,BAYER BEET (GARDEN) (01AB = ROOT VEGETABLES SUBGROUPS) UNDER EVALUATION (06) Reasons for need: WEEDS. Pigweed species (AMAXX), common lambsquarters (CHEAL), other weed species. CHEAL needs PRE control options, AMAPA control demonstrated in sugar beet. There are few beet herbicides, they have narrow spectrums of control, and are often used at low rates, which can limit performance:06/25; Efficacy/Crop Safety (E/CS) Data Required: E/CS Research Comments: Comments: XH198 dmp only was converted to this new pr# 14033. Metamitron 24c labels exist for preemergence use in sugarbeets in parts of CO, ID, NE, OR and WY. Field Res.Dir (FRD) Field ID# Field Data Track# Raw Data Data to MFG Performance Results & Comments Brandenberger, L. 04-OK-DMP RECD 700.pdf 11.4 LB AI/A PRE; RELATIVELY SAFE, EQUAL TO PYRAZON; EQUAL CONTROL OF WEEDS (PIGWEED, GOOSEGRASS, CARPETWEED AND HENBIT), LOWER YIELD. Brandenberger, L. 04-OK-DMP RECD 738.pdf 1.4 AND 4.3 LB AI/A POST; RELATIVELY SAFE, EQUAL TO PHENMEDIPHAM; GENERALLY EQUAL CONTROL OF WEEDS (PIGWEED, GOOSEGRASS, CARPETWEED AND HENBIT) Besancon, Thierry 24-NJ-DMP RECD 5937.pdf 07/25 Metamitron (as a component of Terero) was PRE and/or POST to ‘Ruby Queen’ beets growing in a Honeoye loam. Metamitron was applied PRE at 1.46, 2.2, or 2.92 lb ai/a with and without s-metolachlor. Each metamitron PRE treatment was followed with a postemergence grower standard. Sequential metamitron treatments included 1.0 lb ai/a applied PRE with or without s-metolachlor followed by metamitron POST at 1.0 lb ai/a. Metamitron POST did not injure beets. Stunting from metamitron applied PRE without s-metolachlor ranged from 0 to 9% three weeks after planting (WAP). The addition of s-metolachlor with the higher rates of metamitron significantly increased crop injury 3WAP to 24 and 28%. All herbicide treatments provided excellent levels of weed cover reduction and yields were not statistically different across herbicide treatments. Sosnoskie, Lynn 23-NY-DMP RECD 5937.pdf 07/25 Metamitron (as a component of Terero) was PRE and/or POST to ‘Ruby Queen’ beets growing in a Honeoye loam. Metamitron was applied PRE at 1.46, 2.2, or 2.92 lb ai/a with and without s-metolachlor. Each metamitron PRE treatment was followed with a postemergence grower standard. Sequential metamitron treatments included 1.0 lb ai/a applied PRE with or without s-metolachlor followed by metamitron POST at 1.0 lb ai/a. Metamitron POST did not injure beets. Stunting from metamitron applied PRE without s-metolachlor ranged from 0 to 19% three weeks after planting (WAP). The addition of s-metolachlor with the two lower rates of metamitron significantly increased crop injury 3WAP, but was still only 16% or less. All herbicide treatments provided excellent levels of weed cover reduction and yields were generally equal across herbicide treatments.