Active Ingredient and Benzimidazole Mode of Action
Bavistin powder contains Carbendazim (50% WP), a broad-spectrum systemic fungicide belonging to the methyl benzimidazole carbamate (MBC) group.
It binds to beta-tubulin subunits in fungal cells, preventing microtubule assembly during mitosis and halting cell division and hyphal growth.
Its systemic xylem mobility allows it to translocate acropetally to protect newly expanding leaves and shoots.
- Formulation: 50 percent Wettable Powder (WP)
- Acropetal translocation: Absorbed by seeds, roots, and leaves to protect expanding vegetative tissues
- Multi-application: Suitable for seed dressing, seedling dip, nursery drenching, and foliar spraying
Target Diseases and Approved Crop Applications
Bavistin is registered across field cereals, pulses, oilseeds, and horticultural crops.
It is especially valued for seed treatment to prevent seed-borne and soil-borne fungal rots during germination.
- Seed treatment: Protects wheat, cotton, pulses, and vegetables against loose smut, collar rot, and damping-off
- Paddy: Controls blast (Pyricularia oryzae) and sheath blight
- Grapes and vegetables: Suppresses powdery mildew and anthracnose leaf spots
Application Practices, Slurry Preparation, and Resistance Avoidance
Always make a smooth pre-slurry in clean water before pouring into the primary spray tank to ensure complete powder suspension.
Because single-site MBC fungicides carry a risk of pathogen resistance, rotate with multi-site contact protectants like Mancozeb.
Observe recommended pre-harvest intervals before picking commercial horticultural produce.
- Slurry mixing: Dissolve powder in a bucket of clean water before diluting into the sprayer tank
- Resistance rotation: Rotate with contact protectants or triazole fungicides across the cropping cycle
- Personal protection: Wear protective rubber gloves, dust mask, and safety goggles during handling
Official source
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Central Insecticides Board & Registration Committee ↗Related on KisanPe
Common questions
What is the active chemical in Bavistin powder?
Bavistin powder contains Carbendazim 50% WP, a broad-spectrum systemic benzimidazole fungicide.
How does Bavistin protect crops when used as a seed treatment?
It penetrates the seed coat and translocates into emerging seedlings, protecting them from seed-borne smuts and soil-borne collar rots.
Can Bavistin be mixed with other fungicides?
Yes, it is often combined with contact protectants like Mancozeb to broaden disease control and mitigate resistance.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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