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IffcoHerbicides

Tokachi

Penoxsulam 2.67% OD · IFFCO-MC

Tokachi by IFFCO contains Penoxsulam 2.7% SC, a selective post-emergence herbicide that effectively controls broadleaf weeds and sedges in rice crops, supporting healthy plant growth and better yield.

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Product guide

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Tokachi

Herbicides
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Tokachi Herbicide (Penoxsulam) – Expert Guide for Rice

The Japanese-technology solution for "hard-to-kill" weeds in Paddy.

Note on Concentration: You searched for "2.7% SC," but Tokachi is primarily available as 2.5% OD (Oil Dispersion) or 21.7% SC. The "2.7%" is likely a typo for the 2.5% OD formulation. This guide focuses on the benefits of the Penoxsulam molecule used in these IFFCO-MC products.

Tokachi is a broad-spectrum, post-emergence herbicide designed for transplanted and Direct Seeded Rice (DSR). It effectively eliminates grasses, sedges, and broadleaf weeds in a single spray, ensuring your crop gets all the nutrition it needs without competition.

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8 topics
Why farmers choose itWhy Choose This Product? Key Benefits
  • ⏱️ Stops Weed Growth Instantly: While visual death takes time, the weeds stop growing and competing for fertilizer within 48 hours of spraying.
  • ?️ Excellent Crop Safety: Advanced selectivity ensures your rice plants (Paddy) remain healthy while the weeds are targeted.
  • ⏳ Systemic Root Kill: The herbicide travels down to the roots and tubers, preventing tough weeds like Sedges from regrowing.
  • ?️ Rainfast OD Technology: The Oil Dispersion (OD) formulation sticks to leaves better, offering resistance to wash-off from rain shortly after application.
  • ? Broad Spectrum Control: A "One-Shot" solution that kills Grasses (like Barnyard grass), Sedges, and Broadleaf weeds simultaneously.
Product scienceTechnical Specifications
ParameterDetails
Brand NameTokachi (IFFCO-MC)
Technical NamePenoxsulam 2.5% OD (or 21.7% SC)
IRAC MoA CodeGroup 2 (ALS Inhibitor)
Chemical GroupTriazolopyrimidine Sulfonamide
FormulationOD (Oil Dispersion) or SC (Suspension Concentrate)
Toxicity LabelBlue/Green Triangle (Moderate Caution)
Product scienceHow It Works: Mode of Action

Tokachi works by starving the weed of essential amino acids required for life.

  1. Systemic Absorption: The herbicide is absorbed through both leaves and roots, moving rapidly throughout the plant via the xylem and phloem.
  2. Enzyme Blockade: It targets the ALS enzyme, which acts as a factory for creating vital proteins (Valine, Leucine, Isoleucine).
  3. Slow Death: Without these proteins, cell division stops. The weed stops growing immediately, turns yellow (chlorosis) in 7 days, and dies completely in 2-3 weeks.

Rice plants are safe because they contain natural enzymes that break down Penoxsulam before it can hurt them.

Useful detailsTarget Crops & Pests
CropTarget Pest(s)
Rice (Transplanted & DSR)Barnyard Grass (Sawa), Jungle Rice
Rice (Nursery)Sedges (Motha, Cyperus species)
Paddy FieldsBroadleaf Weeds (Monochoria, Eclipta)
How to applyDosage & Application Guide

The Golden Rule: Always follow the "Dose per Acre" for accurate results.

⚠️ IMPORTANT: The dosage below is for the 2.5% OD formulation (closest to your "2.7%" query). If you have the 21.7% SC bottle, the dose is much lower (approx 36-40ml/acre). Check your bottle label!

How to applyDosage per Acre (For Tokachi 2.5% OD)
CropDose (ml / Acre)Water (L / Acre)Dose (ml / Litre)PHI (Days)
Rice (Transplanted)350 - 400 ml120 - 150 L~ 2.5 ml60
Direct Seeded Rice (DSR)350 - 400 ml120 - 150 L~ 2.5 ml60
(If using 21.7% SC Formulation)36 - 40 ml120 - 150 L0.3 ml60

*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting.

Useful detailsHow to Apply: Best Practices

[Image of farmer spraying rice field with knapsack sprayer]

  • Timing: Apply when weeds are young (2 to 4 leaf stage), usually 10-15 days after transplanting or sowing. Do not delay beyond the 5-leaf stage.
  • Water Management: Drain the water from the field before spraying so the chemical hits the weeds. Re-flood the field 48-72 hours after spraying and maintain water for 5-7 days.
  • Coverage: Use a Flat Fan or Flood Jet nozzle on your knapsack sprayer for even coverage. Avoid drift to nearby non-paddy crops.
  • Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use.
Use with careSafety & Disclaimer

Always read and follow the instructions on the official product label. The information provided here is for guidance only. Use personal protective equipment (PPE) during application.

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