| Reduced Risk Status: |
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| IPM Compatibility: |
Per Requester: Very Good Fit; This is an exceptionally good fit for beets. There are few beet herbicides, they have narrow spectrums of control, and are often used at low rates, which can limit performance. Preliminary data from NY and NY demonstrate weed control and crop safety when used PRE (0.70-2.30 kg ai/ha, 0.62-2.05 lb ai/A) and POST (0.70 kg ai/ha, 0.62 lb ai/A) as a pre-mix with ethofumesate. The use of metamitron could provide effective and safe weed control in beets, which may reduce the number of sprays required during the season:06/25
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| 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;
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| Requesting State(s): |
NY:Sosnoskie, L* ;
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| PCR Use Pattern: |
After reviewing the Goltix label from the United Kingdom and discussing with requester, IR-4 suggests the following: Make 3 broadcast applications of metamitron at 1.03 lb ai/a. The first shall be made preemergence (PRE) after seeding but prior to crop emergence, while the second and third shall be 7-10 days apart, beginning when weeds are in cotyledon stage. Alternatively, the PRE application may be 1.25 lb ai/a followed by postemergence applications of 0.94 lb ai/a. A total postemergence program is also allowed; three applications at 1.03 lb ai/a, 7-10 days apart, beginning when weeds are cotyledon stage. Registrant advice is needed on appropriate adjuvant(s) for postemergence applications.
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| EPA Default Residue Trials: |
1 5-2 6 12, 1 DECLINE TRIAL
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| Efficacy/Crop Safety (E/CS) Data Required: |
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| Label Use Pattern Submitted To EPA: |
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| 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.
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| International Status: |
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