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EPA registration data for Reg. 5481-619 →
Equus 720 SST is a Group M5 fungicide containing 54.0% Chlorothalonil. It is used to control various fungal diseases including Cercospora blight, purple spot, rust, and anthracnose in crops such as asparagus, dry beans, snap beans, and blueberries. The product can be applied via ground spray, air spray, or chemigation. For agricultural use, it is applied at rates ranging from 2.0 to 40.0 pints per acre depending on the crop and target disease. When using chemigation, specific instructions must be followed to ensure proper distribution and prevent system damage. Users must follow strict PPE requirements, including long-sleeved shirts, long pants, chemical-resistant gloves (nitrile, natural rubber, or butyl rubber), protective eyewear, and shoes plus socks. For certain applications, a NIOSH-approved respirator may be required. The label notes that the product is toxic to aquatic invertebrates and wildlife; avoid application near water bodies or areas where runoff could enter them. Always ensure uniform coverage for effective disease control.
Pests covered (6)
Cercospora Blight, Purple Spot, RustAnthracnose, Ascochyta Blight, Cercospora Leaf Blotch, Downy Mildew, RustRustBotrytis Blight (Gray Mold)Anthracnose (Ripe Rot) [suppression], Mummy Berry [suppression]Rust, Septoria Leaf Spot
Areas treatable (4)
AsparagusBeans, Dry (except soybeans)Beans, SnapBlueberries
How to treat each type of area 6
Asparagus
| Target pest |
Location |
Rate |
Unit |
Label notes |
| Cercospora Blight, Purple Spot, Rust |
Outdoor |
2.0-4.0 |
pints/acre |
Apply in 25 to 50 gallons per acre by ground equipment only. Begin application after harvest of spears. Repeat at 2- to 4-week intervals until ferns are no longer productive. Do not apply within 190 days (120 days in CA and AZ) before harvest. |
Beans, Dry (except soybeans)
| Target pest |
Location |
Rate |
Unit |
Label notes |
| Anthracnose, Ascochyta Blight, Cercospora Leaf Blotch, Downy Mildew, Rust |
Outdoor |
1.37-2.0 |
pints/acre |
Use in sufficient water to obtain adequate coverage. Begin applications at first onset of disease (2 to 4 weeks before flowering). Repeat at 7- to 10-day intervals. For use only on beans to be harvested with dry pods removed. Do not apply within 14 days of harvest. |
Beans, Snap
| Target pest |
Location |
Rate |
Unit |
Label notes |
| Rust |
Outdoor |
1.37-3.0 |
pints/acre |
Use in sufficient water to obtain adequate coverage. Begin applications during early bloom stage or when disease first threatens. Repeat as necessary, but do not apply at less than 7-day intervals. |
| Botrytis Blight (Gray Mold) |
Outdoor |
3.0 |
pints/acre |
Use in sufficient water to obtain adequate coverage. Begin applications during early bloom stage or when disease first threatens. Repeat as necessary, but do not apply at less than 7-day intervals. |
Blueberries
| Target pest |
Location |
Rate |
Unit |
Label notes |
| Anthracnose (Ripe Rot) [suppression], Mummy Berry [suppression] |
Outdoor |
3.0-4.0 |
pints/acre |
Use in sufficient water to obtain adequate coverage, normally 20 to 100 gallons per acre. Begin applications at budbreak (green tip). Repeat at 10-day intervals until early bloom, but do not apply at less than 10-day intervals. Do not apply after full bloom; phytotoxicity may occur. Do not apply within 42 days before harvest. |
| Rust, Septoria Leaf Spot |
Outdoor |
3.0-4.0 |
pints/acre |
Use in sufficient water to obtain adequate coverage, normally 20 to 100 gallons per acre. Begin applications at budbreak (green tip). Repeat at 10- to 14-day intervals, but do not apply at less than 10-day intervals. |
Mixing instructions 1
| For pests |
Label notes |
| General |
Can be used effectively in dilute or concentrate sprays. Ensure uniform coverage. |
Worker safety
Re-entry interval (REI)
12
PPE required
Long-sleeved shirt and long pants; Chemical-resistant gloves (nitrile, natural rubber, or butyl rubber); Shoes plus socks; Protective eyewear (goggles, safety glasses, or face shield). For certain applications, a NIOSH-approved respirator may be required.
Timing & weather
- Avoid application during temperature inversions.
- Avoid application when wind speeds are high to prevent drift.
Use restrictions 4
- Do not apply near water bodies or areas where runoff may enter them.
- Do not apply within 14 days of harvest for dry beans.
- Do not apply within 42 days before harvest for blueberries.
- Do not apply within 190 days (120 days in CA and AZ) before harvest for asparagus.