Active ingredient and systemic DMI mode of action
Hexaconazole is absorbed through plant leaves and translocated acropetally to protect existing foliage and new vegetative shoots.
- Demethylation inhibitor (DMI, FRAC Group 3): Inhibits ergosterol biosynthesis in fungal cell membranes.
- Arrests fungal hyphal growth and spore development, providing both preventative and curative efficacy.
- Suspension concentrate (5% SC) formulation: Features fine micronized particles for superior leaf surface coverage and rainfastness.
- Imparts positive plant physiological responses, enhancing foliar greening and plant vigor.
Target crops and major fungal disease spectrum
Contaf Plus is registered across multiple field, orchard, and vegetable crops in India.
- Rice (Paddy): Highly effective for preventing and suppressing sheath blight (Rhizoctonia solani).
- Apple and Mango: Control of powdery mildew and apple scab during vegetative flushes and fruit set.
- Groundnut: Management of early and late leaf spots (Tikka disease) and rust.
- Chilli and Vegetables: Control of powdery mildew, die-back, and Cercospora leaf spots.
Spraying guidelines, dosage, and safety precautions
Apply Contaf Plus at the first appearance of fungal lesions using knapsack or power sprayers equipped with hollow cone nozzles. Ensure uniform canopy coverage. Operators should wear standard personal protective equipment including rubber gloves and eye protection. Observe the pre-harvest interval indicated on the container label.
Official source
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Central Insecticides Board and Registration Committee ↗Related on KisanPe
Common questions
What is the technical chemical in Contaf Plus fungicide?
Contaf Plus contains Hexaconazole 5% SC, a systemic triazole fungicide.
Which rice disease is most commonly treated with Hexaconazole 5% SC?
It is widely used to prevent and control sheath blight (Rhizoctonia solani) in paddy fields.
Is Hexaconazole curative or purely preventive?
Hexaconazole offers preventative protection along with systemic curative action that halts existing fungal infections inside plant tissues.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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