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Bispyribac Sodium 10% W/W SC (Selective Herbicide)
Bispyribac sodium 10% SC is a post emergence broad-spectrum herbicide effective against grasses, sedges and broad leaf weeds of rice crop.
Recommendation:
| Crop |
Common name of insect - pest |
Dosage per Hectare |
Dilution in water (liter) |
Crop Stage | Pre Harvest | |
|---|---|---|---|---|---|---|
|
A.I. (g) |
Formulation (g) |
|||||
|
Rice (direct seeded) |
Fimbristylis miliacca, Eclipta alba, Ludwigia parviflora, Monochoria vaginalis, Alternanthera philoxeroides, Sphenocicea zeylenica |
20- 25 |
200-250 | 300 |
15-25 days after sowing. |
waiting period has been redundant as period between spray and harvest has been >78 days |
|
Rice (nursery) |
Echinochloa crusgalli, Echinochloa colonum, |
20 | 200 | 300 |
at 10-12 days after sowing |
waiting period has been redundant as period between spray and harvest has been >78 days |
|
Rice (trans- planted) |
Ischaemum rugosum, cyperus difformis, cyperus iria |
20- 25 |
200-250 | 300 |
at 10-14 days after transplanting sowing. |
waiting period has been redundant as period between spray and harvest has been >78 days |
*Multiple weeds include: Echinochloa crus-galli, Echinochloa colona, Ischaemum rugosum, Cyperus difformis, Cyperus iria, Fimbristylis miliacea, Ludwigia parviflora, Monochoria vaginalis, Amaranthus viridis, Alternanthera sessilis, Sphenoclea zeylanica
Benefit:
- Provides broad-spectrum control of tough weeds (grasses, broadleaf weeds, and sedges), reducing competition for nutrients, water, and light in rice fields.
- Improves rice crop yield and quality by eliminating weed interference early, leading to healthier plants and higher harvests.
- Long-lasting weed suppression with systemic action, preventing regrowth and offering residual effects for cleaner fields.
- Reduces labour costs associated with manual weeding or multiple herbicide applications.
- Enhances water use efficiency in paddy fields by minimizing weed competition.
- Selective action that is safe for rice when applied as directed (does not harm the crop at recommended stages and doses).
- Quick visible results: Weeds stop growing immediately, turn yellow, and die completely within days to weeks.
Features:
- Bispyribac sodium 10% SC (Suspension Concentrate) – selective, systemic, post-emergence broad-spectrum herbicide.
- Systemic uptake: Absorbed through leaves and roots, translocates within the plant to kill it from the inside.
- Fine particle size for easy dilution, good sprayability, and high bioefficiency.
- Rainfast properties: Good absorption even if light rain occurs after application.
- Compatible with various rice systems: Transplanted, direct-seeded (wet or dry), and nursery stages.
Usage:
- Spray uniformly in the direction of wind and ensure proper coverage of the weeds. It is recommended to use Flat fan flood jet nozzle against the target weeds.
- Timing: Apply post-emergence when weeds are at the 2-5 leaf stage (typically 15-20 days after sowing/transplanting in rice). Optimal for active weed growth.
- Dosage: 80-120 ml per acre (up to 150 ml in heavy infestation cases); dilute in appropriate water volume
- Frequency: One spray only in a crop cycle
