Description
Guard Force Herbicide | 1L is a pre-emergent/post-emergent selective herbicide primarily used in transplanted and direct-seeded rice to control grasses, sedges, and some broadleaf weeds.
KEY FEATURES & CHARACTERISTICS:
| Property | Details |
|---|---|
| Mode of Action | Inhibits cell division in germinating weeds (fatty acid synthesis inhibitor). |
| Spectrum | Selective (safe for rice, toxic to weeds). |
| Key Target Weeds | Grasses: Echinochloa crus-galli (barnyard grass), Leptochloa chinensis • Sedges: Cyperus difformis, Cyperus iria • Broadleaf: Monochoria vaginalis, Ludwigia spp. |
| Application Timing | Critical: Apply 3–7 days after transplanting (DAT) or 1–4 days after direct seeding. |
| Rainfastness | Requires water stagnation (3–5 cm depth) for 48–72 hours post-application. |
| Residual Activity | 25–40 days (controls new germinations). |
| Formulation | Emulsifiable Concentrate (EC). |
ADVANTAGES:
✓ Highly effective against grass weeds (major rice pests).
✓ Safe for rice seedlings when applied correctly.
✓ Extends residual control, reducing need for re-spray.
✓ Often pre-mixed with safeners (e.g., fenclorim) to enhance rice safety.
APPLICATION GUIDE (RICE FOCUSED):
| Rice Type | Dosage (per acre) | Water Management |
|---|---|---|
| Transplanted rice | 500–600 mL | Maintain 3–5 cm water for 72 hours |
| Wet direct-seeded rice | 400–500 mL | Saturated soil; standing water essential |
| Dry-seeded rice | Not recommended | (Use pendimethalin instead) |
Critical Tips:
-
Apply to moist/muddy soil – water stagnation is mandatory.
-
Avoid drainage for 3 days post-spray.
-
Do NOT spray if rain is forecast within 6 hours.
SAFETY & HANDLING:
| Aspect | Guidance |
|---|---|
| Toxicity | Moderately hazardous (WHO Class III) – skin/eye irritant. |
| PPE | Gloves, boots, mask, long sleeves. |
| Environmental | Highly toxic to fish/algae – never contaminate aquatic systems. |
| First Aid | Rinse eyes/skin immediately. If swallowed, seek medical help. |
| Storage | Store away from food, feed, and water sources. Keep container sealed. |
Additional information
| Weight | 7 kg |
|---|
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