Key facts
From KisanPe's verified data. Confirm prices and doses with the seller, label or official source before acting.
- Category
- Fungicide
- Mode of action
- Systemic & Contact
- Target crops
- Groundnut, Paddy, Chilly, Potato
- Target pests
- Tikka Disease, Blast, Early & Late Blight, Anthracnose
Chemical Class and Benzimidazole Mode of Action
Carbendazim (methyl benzimidazol-2-ylcarbamate) is classified under FRAC Group 1 (beta-tubulin assembly in mitosis). It acts by binding to fungal beta-tubulin monomers, preventing microtubule assembly during nuclear division.
This disruption terminates cellular mitosis and fungal spore germination. It exhibits acropetal systemic movement within the plant, moving upward through xylem vessels to safeguard newly expanding leaves.
- FRAC Group 1 Inhibitor: Inhibits fungal microtubule polymerisation during mitotic cell division.
- Acropetal Translocation: Rapidly absorbed through roots and foliage, translocating upward to new growth.
- Formulation Type: Wettable Powder (50% WP) that disperses easily in water for foliar and seed applications.
Target Fungal Diseases and Approved Crops
Carbendazim 50% WP is officially labeled under CIBRC standards across major field, fruit, and plantation crops. It is renowned for managing rice blast (Pyricularia oryzae), sheath blight, and seedling rot in paddy.
In pulse and oilseed farming, it protects groundnut against tikka leaf spot (Cercospora arachidicola), controls anthracnose in mango and beans, and prevents loose smut in wheat when used as a dry seed dressing.
- Paddy Diseases: Controls leaf blast, neck blast, and sheath blight infections.
- Seed Dressing Defense: Prevents seed-borne damping-off, collar rot, and root rot in pulses and cotton.
- Horticultural Protection: Manages anthracnose, powdery mildew, and blossom blight in fruit orchards.
Application Guidelines and Resistance Stewardship
Carbendazim 50 WP can be applied as a dry or slurry seed dressing, seedling root dip prior to transplanting, or foliar spray at the initial sign of disease. Ensure adequate water volume to achieve uniform leaf wetting.
Because benzimidazoles have a single-site mode of action, continuous unrotated use can lead to fungal resistance. Agronomists recommend alternating Carbendazim with multisite contact fungicides like Mancozeb or Copper Oxychloride.
- Seed Treatment Protocol: Coat seeds thoroughly using clean water slurry before sowing.
- Tank Mixes: Often paired with Mancozeb (e.g., Carbendazim 12% + Mancozeb 63% WP) for broader resistance management.
- Pre-Harvest Interval (PHI): Observe crop-specific safety waiting periods on the registered CIBRC container label.
Official source
Check the latest rules, benefits and forms here. KisanPe is an independent platform and is not a government website.
Central Insecticides Board & Registration Committee (CIBRC) ↗Related on KisanPe
Common questions
What type of fungicide is Carbendazim 50% WP?
Carbendazim 50% WP is a broad-spectrum systemic fungicide belonging to the benzimidazole chemical group.
How does Carbendazim act against fungal pathogens?
It inhibits beta-tubulin synthesis during mitotic cell division, halting fungal growth, cell multiplication, and spore germination.
Can Carbendazim 50 WP be used for seed treatment?
Yes, it is widely utilized as a dry or wet seed treatment to protect emerging crops against seed-borne and soil-borne fungal pathogens.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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