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EPA registration data for Reg. 5481-621 →
AbbA Ultra is a restricted-use insecticide containing the active ingredient Abamectin (Group 6). This product is specifically a FIFRA 24(c) Special Local Need Label (SLN) intended for use on alfalfa grown for seed to control spider mites. It is designed for use within the state of Washington. Application can be performed via ground or aerial methods. When applying via ground, use 4-8 fl oz per acre in a minimum of 20 gallons of water. For aerial applications, use 6-8 fl oz per acre in a minimum of 10 gallons of water per acre. Users must adhere to a restricted-entry interval (REI) of 12 hours. This product is highly toxic to fish, mammals, and aquatic organisms. It is critical to avoid application through irrigation systems and to prevent drift onto blooming crops or weeds. Do not apply within 21 days of a last treatment or if an alternative miticide with a different mode of action has been used. Users must follow all Worker Protection Standard requirements and ensure the EPA-registered label is present during application. Note that this specific SLN registration expires after December 31, 2027.
Pests covered (2)
spider mitesMites, Spiders
Areas treatable (1)
alfalfa grown for seed
How to treat each type of area 2
alfalfa grown for seed
| Target pest |
Location |
Rate |
Unit |
Dilution |
Label notes |
| spider mites |
Outdoor |
4-8 |
fl oz/acre |
minimum 20 gallons of water per acre (ground) |
Ground application |
| spider mites |
Outdoor |
6-8 |
fl oz/acre |
minimum 10 gallons of water per acre (aerial) |
Aerial application |
Mixing instructions 2
| For pests |
Amount |
Per |
Label notes |
| spider mites |
4-8 |
fl oz/acre |
Ground application: minimum 20 gallons of water per acre |
| spider mites |
6-8 |
fl oz/acre |
Aerial application: minimum 10 gallons of water per acre |
Worker safety
Re-entry interval (REI)
12
PPE required
Follow all Worker Protection Standard requirements.
Timing & weather
- Do not apply if product is likely to drift to blooming crops or weeds.
Use restrictions 9
- Restricted Use Pesticide: For use only by certified applicators or persons under their direct supervision.
- Do not apply through any irrigation system.
- Do not apply to blooming crops or weeds; product is highly toxic to bees.
- Do not apply within 21 days of the last treatment or after an alternative miticide with a different mode of action.
- Do not apply ground application within 25 ft of or aerial application within 150 ft of lakes, reservoirs, rivers, permanent streams, marshes, pot holes, natural ponds, estuaries, or commercial fish farm ponds.
- Do not cultivate within 25 ft of the aquatic area to allow growth of vegetative filter strip.
- Do not apply more than 2 applications per cropping season.
- Do not apply more than 16 fl oz/a (0.038 lb ai/a) per cropping season.
- Alfalfa seed treated with this product may not be distributed for human or animal food/feed.
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