What Is Carbendazim and Why Is It Widely Used as a Broad-Spectrum Fungicide?

2025-08-19 17:04

Technical Introduction

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.


Applications

  • 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.


Advantages

  • 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.


Specifications (Typical Parameters)

ParameterDescriptionTypical Value
Chemical NameMethyl benzimidazol-2-yl carbamateCarbendazim
Chemical FormulaMolecular compositionC₉H₉N₃O₂
Molecular Weight
~191.19 g/mol
AppearancePhysical stateWhite to off-white crystalline powder
Formulation TypesWettable Powder (WP), Suspension Concentrate (SC), Granules (GR)Common: 50% WP, 20% SC, 50% GR
SolubilityIn water (25°C)~8 mg/L
StabilityStable under normal conditionsSensitive to strong acids and alkaline hydrolysis
Mode of ActionInhibits microtubule formation, blocking fungal cell divisionSystemic fungicide

FAQ

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.

Free Consultation

  • Name*

  • E-Mail*

  • TEL

  • Message*

TEL:86-574-87739182 E-Mail:infoi@jindunchemical.cn Address:Floor 19, Portman TOWER, No. 48 Caihong North Road, Yinzhou District, Ningbo China
YOU CAN CONTACT US HEER