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SyngentaFungicides

Ridomil Gold

Fungicide

Buy Ridomil Gold by Syngenta online at ManaAgriMart. Fungicide with product details, available pack sizes and usage information.

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Product guide

Understand before you apply

Ridomil Gold

Fungicides
Product typeFungicides
BrandSyngenta
Active compositionFungicide
Available packs100 gms · 250 gms · 500 gms · 1 kg
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Ridomil Gold Fungicide (Syngenta): The Ultimate Control for Late Blight & Downy Mildew

Ridomil Gold is a world-class fungicide that combines systemic healing power with a protective contact shield. It is the industry standard for controlling Oomycete diseases like Blight and Downy Mildew.

Developed by Syngenta, this advanced formula uses Metalaxyl-M (Mefenoxam) and Mancozeb. Unlike older fungicides, it doesn't just sit on the leaf; it penetrates the plant to cure infection from the inside while protecting the outside. It is specifically designed to save Potato, Tomato, and Grape crops from devastating fungal attacks.

Best For: Late Blight in Potatoes/Tomatoes, Downy Mildew in Grapes/Cucurbits, and Damping Off in nurseries.

Detailed guidance

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8 topics
Why farmers choose itWhy Choose This Product? Key Benefits
  • ⏱️ Rapid Absorption (Kick-Back Action): It penetrates leaves within 30 minutes. If applied early (within 24-48 hours of infection), it can stop the disease inside the plant tissue.
  • ?️ Dual-Action Protection: Contains Mancozeb (Contact) to kill spores on the surface and Metalaxyl-M (Systemic) to kill fungus inside the stem and leaves.
  • Protects New Growth: The medicine moves upward (acropetally) in the plant sap, protecting new leaves and shoots that grow after you spray.
  • ?️ Superior Rainfastness: The "Pepite" WG formulation ensures the product sticks better to leaves and resists washing off during light rains better than standard powders.
  • ? Hyper-Active Purity: Uses "Resolved Isomer" technology (Metalaxyl-M), which is 2x more potent than generic Metalaxyl, placing less chemical load on the soil.
Product scienceTechnical Specifications
ParameterDetails
Brand NameRidomil Gold MZ
Technical NameMetalaxyl-M 4% + Mancozeb 64% w/w WG
IRAC MoA CodeGroup 4 (Phenylamide) + Group M03 (Multi-site)
Chemical GroupAcylalanine + Dithiocarbamate
FormulationWG (Wettable Granules) - Pepite Technology
Toxicity LabelBlue Triangle (Moderately Toxic)
Product scienceHow It Works: Mode of Action

Ridomil Gold uses a "Two-Pronged Attack" to manage resistance and ensure complete crop safety.

  1. The External Shield (Mancozeb): It creates a protective film on the leaf surface. When fungal spores land, this layer disrupts their respiration and energy production, killing them instantly before they can germinate.
  2. The Internal Cure (Metalaxyl-M): It is rapidly absorbed by the plant (xylem action). It inhibits RNA polymerase synthesis in the fungus, effectively stopping the pathogen from multiplying inside the plant tissues.
  3. Acropetal Movement: The systemic medicine travels upwards to the growing tips, automatically protecting new leaves that sprout days after spraying.

Note: This product is effective against the Oomycete class of fungi (Water Molds) only.

Useful detailsTarget Crops & Pests
CropTarget Pest(s)
Potato & TomatoLate Blight ( Phytophthora infestans ), Early Blight
GrapesDowny Mildew ( Plasmopara viticola )
Veg Nurseries / Black PepperDamping Off, Foot Rot / Quick Wilt
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 (ml/g / Acre)Water (L / Acre)Dose (g / Litre)PHI (Days)
Potato / Tomato500g - 700g (High Risk)250 - 350 Litres2.0g - 2.5g24 Days
Grapes400g - 1000g400+ Litres (Dip/Spray)2.0g66 Days (Strict)
Black Pepper (Wilt)1000g (Soil Drench)Via Drenching2.0g-

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

Useful detailsHow to Apply: Best Practices
  • Timing: Apply preventatively (before disease appears) or at the very first sign of disease. Do not wait for severe outbreaks.
  • Mixing: Add Ridomil Gold granules to the water first and stir well. Do not mix with Copper formulations (Bordeaux Mixture) or highly alkaline substances.
  • Coverage: Ensure full coverage of the plant canopy. For potatoes, stop sprinkler irrigation if Late Blight is detected to keep leaves dry.
  • Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use. Do not re-enter the field for 48 hours after spraying.
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. Pregnant women should avoid exposure to this product due to the Mancozeb component.

Frequently Asked Questions

1. What is the difference between Metalaxyl and Metalaxyl-M?


Metalaxyl-M (Mefenoxam) is the purified, biologically active form of Metalaxyl. It is twice as strong gram-for-gram, meaning you need less chemical to get better results.

2. Can I use Ridomil Gold for Powdery Mildew?


No. Ridomil Gold is a specialist for "wet" diseases like Downy Mildew, Blights, and Pythium. For Powdery Mildew, use Sulphur or Triazole-based fungicides.

3. Is Ridomil Gold rainfast?


Yes, thanks to its high-quality WG formulation, it sticks well. However, avoid spraying if heavy rain is forecast within the next 2-3 hours.

4. How many times can I spray it in one season?


Do not exceed 3 to 4 sprays per crop season. Rotate with other fungicides (like Curzate or Revus) to prevent the fungus from becoming resistant.

5. Can I mix it with insecticides?


Yes, it is generally compatible with common insecticides like Thiamethoxam or Imidacloprid. Always do a small jar test first.

Agricultural-use productsAlways follow the product label and local agricultural guidance.
Genuine pack details
Brands
Syngenta
Categories
Fungicides
Pack
100 gms, 250 gms, 500 gms, 1 kg
Delivery
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Size1 kg, 100 gms, 250 gms, 500 gms
FungicideFungicides
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Selected pack100 gmsOrder total₹234
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