Cuman L Fungicide
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Syngenta Cuman L Fungicide (Ziram 27% SC)
The Advanced Liquid Shield for Apples, Grapes, and Vegetables.
Syngenta Cuman L is a modern, broad-spectrum contact fungicide designed to protect your crops from fungal diseases before they start. Unlike old-fashioned powders that are dusty and hard to mix, Cuman L comes in a smooth Suspension Concentrate (SC) liquid.
Powered by Ziram 27%, it forms a protective layer on leaves and fruits, effectively stopping diseases like Scab, Downy Mildew, and Early Blight. It also provides essential Zinc nutrition to your plants, keeping leaves lush and green.
Best For: Farmers seeking a cost-effective, resistance-fighting partner for high-value crops like Apple, Grape, Tomato, and Potato.
Why Choose This Product? Key Benefits
- ⏱️Instant Mixing (No Dust): As a colloidal liquid, it dissolves instantly in water without the dangerous dust clouds caused by wettable powders.
- ?️Resistance Fighter: Acts as a "Multi-Site" shield. It kills fungi in multiple ways, making it impossible for diseases to develop resistance.
- ⏳Superior Coverage: The microscopic particles cover more leaf surface area, ensuring no gaps are left for the fungus to enter.
- ?️Rainfast Protection: Contains special stickers that help the medicine stick to the leaf, resisting wash-off from light rain or irrigation.
- ?Zinc Nutrition Boost: Supplies trace Zinc to the crop, correcting deficiencies and providing a visible "greening effect" for healthier plants.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Syngenta Cuman L |
| Technical Name | Ziram 27% SC |
| IRAC MoA Code | Group M03 (Multi-Site Contact) |
| Chemical Group | Dimethyldithiocarbamate |
| Formulation | Suspension Concentrate (Liquid) |
| Toxicity Label | Blue / Yellow (Harmful/Toxic) |
How It Works: Mode of Action
Cuman L acts as a "chemical barrier." It does not enter the plant but stays on the surface to kill spores on contact.
- Contact Inhibition: When fungal spores land on a treated leaf, they absorb the Ziram particles.
- Metabolic Shutdown: The active ingredient attacks multiple parts of the fungus simultaneously, stopping it from breathing (respiration) and producing energy.
- Germination Block: The spore cannot grow its "roots" (germ tubes) to penetrate the plant, causing the fungus to die before infection begins.
Note: Because it attacks many sites at once, fungi cannot easily adapt or become resistant to it.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Apple & Pear | Apple Scab , Shot Hole |
| Grapes | Downy Mildew, Anthracnose (Bird's Eye Rot) |
| Tomato & Potato | Early Blight (Alternaria) |
Dosage & Application Guide
The Golden Rule: Always follow the "Dose per Acre" for accurate results. Contact fungicides require high water volume for full coverage.
Dosage per Acre, Litre, & Pre-Harvest Interval (PHI)
| Crop | Dose (ml / Acre) | Water (L / Acre) | Dose (ml / Litre) | PHI (Days) |
|---|---|---|---|---|
| Apple / Pear | 900 – 1400 ml | 300 – 400 L | 3.0 – 3.5 ml | 21 Days |
| Grapes | 800 – 1200 ml | 300 – 400 L | 2.0 – 3.0 ml | 21 Days* |
| Vegetables (Tomato/Potato) | 600 – 900 ml | 200 – 300 L | 2.0 – 3.0 ml | 3 Days |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting. *Grape PHI depends on export regulations, typically stop usage after fruit set.
How to Apply: Best Practices
- Timing: Apply Preventatively. Start spraying before you see disease spots (e.g., at Green Tip stage for Apples or Shoot Emergence for Grapes).
- Mixing: Fill tank 1/2 with water. Shake the Cuman L bottle. Pour it in. Add remaining water.
- Coverage: Use "Hollow Cone" nozzles. Ensure the spray covers both the top and bottom of the leaves.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use. Avoid spraying near fish ponds or water bodies.
Frequently Asked Questions
1. Is Cuman L better than Ziram Powder (WP)?
Yes. Cuman L is a liquid (SC) formulation. It generates no dust, mixes instantly, and has better stickers for rainfastness compared to older powders.
2. Can I mix Cuman L with other medicines?
Yes, it is compatible with most insecticides and systemic fungicides (like Metalaxyl). Do NOT mix with Lime Sulfur or Bordeaux mixture as they react negatively.
3. Does this product cure the disease after it starts?
No. Cuman L is a "Protectant." It works best when sprayed before infection appears. If the disease is already severe, mix it with a curative systemic fungicide.
4. Can I use it on export grapes?
Yes, but be careful with timing. It is often used in the early stages (shoot growth) and stopped after fruit set to meet strict European residue limits (MRLs).
5. Why do my plants look greener after spraying?
Cuman L contains Zinc. This provides a micronutrient boost to the crop, correcting zinc deficiency and resulting in greener, healthier foliage.
Safety & 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. Danger: Causes serious eye irritation. Toxic to aquatic life with long-lasting effects.