Comprehensive DSR Weed Control Schedule
Effective weed management in DSR requires a two-tier chemical strategy combining pre-emergence and post-emergence herbicides:
| Application Stage | Timing (DAS) | Recommended Herbicide & Dose | Target Weed Spectrum |
|---|---|---|---|
| Pre-Emergence Spray | 0 - 2 days after sowing | Pendimethalin 30 EC @ 1.0 kg a.i./ha or Pendimethalin 38.7 CS | Annual grasses (Echinochloa) & small-seeded broadleaf weeds |
| Early Post-Emergence | 18 - 22 DAS (2-3 leaf stage of weeds) | Bispyribac-sodium 10 SC @ 25 g a.i./ha (100 ml/acre) | Echinochloa crus-galli, E. colonum, broadleaf weeds |
| Broadleaf & Sedge Post | 20 - 25 DAS | Pyrazosulfuron-ethyl 10 WP @ 20 g a.i./ha or Almix (Metsulfuron + Chlorimuron) | Cyperus rotundus, Cyperus difformis, Eclipta alba |
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