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NichinoFungicides

Rainbow

Boscalid 25.2% + Pyraclostrobin 12.8% WG

Nichino Rainbow (Boscalid 25.2% + Pyraclostrobin 12.8% WG) is a dual-action fungicide that provides long-lasting protection against major fungal diseases, improving crop quality and yield.

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Product guide

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Rainbow

Fungicides
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Rainbow Fungicide (Boscalid 25.2% + Pyraclostrobin 12.8% WG)

Premium Dual-Action Protection for Grapes, Apples, and Vegetables

Rainbow Fungicide is a technologically advanced, broad-spectrum solution designed for modern Integrated Crop Management. By combining two powerful active ingredients—Boscalid and Pyraclostrobin—it offers a "double-lock" mechanism that stops fungal diseases inside and out.

Beyond just killing fungus, Rainbow is famous for its "AgCelence" effect. It improves plant health by reducing stress (ethylene) and boosting photosynthesis, resulting in greener leaves and higher quality produce at harvest.

Detailed guidance

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8 topics
Why farmers choose itWhy Choose This Product? Key Benefits
  • ⏱️ Dual-Action Power: Combines Systemic (Boscalid) and Translaminar (Pyraclostrobin) action to kill spores and stop fungal growth simultaneously.
  • ?️ Broad Spectrum Control: Excellent efficacy against Downy Mildew, Powdery Mildew, Botrytis, Apple Scab, and Early Blight.
  • Long-Lasting Protection: Stays active in the plant system for 10 to 14 days, reducing the number of sprays needed.
  • ?️ Superior Rainfastness: The high-quality WG formulation sticks to waxy leaves and becomes rainfast within 1 to 3 hours.
  • ? The "Greening Effect": Delays aging and keeps leaves green longer, leading to better fruit finish and higher market value.
Product scienceTechnical Specifications
ParameterDetails
Brand NameRainbow
Technical NameBoscalid 25.2% + Pyraclostrobin 12.8% WG
IRAC MoA CodeGroup 7 (Boscalid) + Group 11 (Pyraclostrobin)
Chemical GroupSDHI (Carboxamide) + QoI (Strobilurin)
FormulationWater Dispersible Granules (WG)
Toxicity LabelBlue/Green (Slightly Toxic - Safe for Applicators)
Product scienceHow It Works: Mode of Action

Rainbow works by attacking the fungal respiratory system at two different "checkpoints" (Complex II and Complex III), causing energy failure in the pathogen.

  1. Spore Germination Block (Protectant): Pyraclostrobin sits on the leaf surface and stops spores from germinating, acting as a shield against new infections.
  2. Mycelial Growth Arrest (Curative): Boscalid penetrates the leaf tissue (systemic action) and halts the growth of fungus that has already entered the plant.
  3. Stress Reduction (Plant Health): The formulation suppresses ethylene (stress hormone) production, allowing the plant to withstand heat and drought better while focusing on fruit development.

This combination creates a high barrier against resistance development, making it a reliable choice for professional growers.

Useful detailsTarget Crops & Pests
CropTarget Pest(s)
GrapesDowny Mildew, Powdery Mildew, Botrytis (Grey Mold)
ApplePowdery Mildew, Apple Scab, Alternaria
Tomato, Chilli, OnionEarly Blight, Purple Blotch, Stemphylium Blight
How to applyDosage & Application Guide

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

How to applyDosage per Acre, Litre, & Pre-Harvest Interval (PHI)
CropDose (g / Acre)Water (L / Acre)Dose (g / Litre)PHI (Days)
Grapes240 g400 L0.6 g34
Apple300 g400 L0.75 g41
Tomato / Chilli / Onion240 g200 L1.2 g10 - 24

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

Useful detailsHow to Apply: Best Practices
  • Timing: Apply preventively or at the very early stages of disease appearance. For Grapes, the ideal window is Pre-bloom to Fruit Set. For Apples, apply during Pink Bud to Petal Fall.
  • Mixing: Fill the spray tank 1/2 with water, add the required quantity of Rainbow granules, and mix well. The WG formulation disperses rapidly without dust.
  • Coverage: Ensure thorough coverage of the canopy, especially the undersides of leaves where stomata are located.
  • Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use. Avoid spraying during peak bee foraging hours (mid-day).
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.

Selected pack120 gmsOrder total₹673
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