Carbendazim is a systemic, broad-spectrum benzimidazole fungicide widely used in agriculture to control fungal diseases in a variety of crops. It belongs to the FRAC Group 1 (mitosis inhibitors) and acts by disrupting microtubule formation in fungal cells, preventing mitosis and growth.
Carbendazim is effective against a wide range of ascomycete, basidiomycete, and deuteromycete fungi, including leaf spots, rusts, smuts, powdery mildew, and rots. Its systemic nature allows it to protect both treated and new growth.
Cereal Crops (Wheat, Barley, Rice):
Controls smuts, bunts, leaf spots, and Fusarium head blight.
Fruit Crops (Apple, Citrus, Grapes, Banana):
Protects against scab, powdery mildew, anthracnose, and post-harvest rots.
Vegetables (Tomatoes, Cucurbits, Onions, Peppers):
Effective against leaf spots, anthracnose, and damping-off.
Ornamentals:
Used for powdery mildew and leaf spot control in flowers and nursery plants.
Seed Treatment:
Widely applied to cereals, vegetables, and pulses to protect seeds from soil-borne pathogens and early damping-off diseases.
Broad-Spectrum Activity: Effective against numerous fungal pathogens across different crops.
Systemic Protection: Absorbed by plants and transported to new tissues, offering long-lasting protection.
Curative and Preventive: Controls both existing infections and prevents new ones.
Seed Treatment Efficiency: Provides early protection against soil-borne fungi.
Compatibility: Can be mixed with other fungicides and fertilizers for integrated disease management.
Cost-Effective: One of the most economical fungicides for large-scale agricultural use.
Parameter | Description | Typical Value |
---|---|---|
Chemical Name | Methyl benzimidazol-2-yl carbamate | Carbendazim |
Chemical Formula | Molecular composition | C₉H₉N₃O₂ |
Molecular Weight | ~191.19 g/mol | |
Appearance | Physical state | White to off-white crystalline powder |
Formulation Types | Wettable Powder (WP), Suspension Concentrate (SC), Granules (GR) | Common: 50% WP, 20% SC, 50% GR |
Solubility | In water (25°C) | ~8 mg/L |
Stability | Stable under normal conditions | Sensitive to strong acids and alkaline hydrolysis |
Mode of Action | Inhibits microtubule formation, blocking fungal cell division | Systemic fungicide |
Q1: What crops benefit most from Carbendazim?
A: Cereals (wheat, rice, barley), fruits (apple, grapes, citrus), vegetables (tomato, cucurbits), ornamentals, and seed crops.
Q2: Is Carbendazim systemic?
A: Yes, it is systemic, absorbed into plant tissues and transported to new growth.
Q3: Does Carbendazim have curative action?
A: Yes, it can control early-stage infections as well as prevent new infections.
Q4: Can Carbendazim be used as a seed treatment?
A: Yes, it is highly effective in protecting seeds from soil-borne fungi and damping-off diseases.
Q5: Is resistance to Carbendazim a concern?
A: Yes, fungi can develop resistance if overused. It should be rotated with fungicides of different modes of action.
Q6: Can Carbendazim be mixed with other chemicals?
A: Yes, it is compatible with many fungicides, insecticides, and fertilizers, but always follow label instructions.