Chemical profile and multi-site mode of action
- Formulated as Propineb 70% Wettable Powder (WP), categorized under FRAC Group M03 (Multi-site contact activity).
- Inactivates multiple sulfhydryl groups and enzymes in fungal cells, preventing spore germination and germ tube penetration.
- Pathogen resistance risk is exceptionally low due to multi-site biochemical inhibition, making it an ideal partner for systemic fungicide rotations.
- Contains approximately 15 to 20 percent elemental zinc, aiding chlorophyll synthesis and giving plants a pronounced greening effect.
Target diseases and approved crops
- Solanaceous crops: Early blight (Alternaria solani) and late blight (Phytophthora infestans) in potato and tomato.
- Fruit orchards: Scab (Venturia inaequalis) in apples, and downy mildew and anthracnose in grapes.
- Vegetables and spices: Fruit rot / dieback in chilli, and downy mildew in cucurbits.
- Rice and oilseeds: Brown spot in paddy and tikka leaf spot in groundnut crops.
Application timing and spraying precautions
- Spray preventively prior to disease onset or immediately when humid weather conditions favor fungal development.
- Use hollow-cone nozzles with sufficient water volume to ensure thorough coverage across upper and lower leaf surfaces.
- Follow CIBRC approved label recommendations, wear personal protective equipment, and observe the prescribed pre-harvest interval.
Official source
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Central Insecticides Board & Registration Committee (CIBRC) ↗Related on KisanPe
Common questions
What is Propineb 70 WP?
It is a broad-spectrum contact fungicide with multi-site activity containing 70% Propineb wettable powder.
Why does Propineb 70 WP have low fungal resistance risk?
It inhibits multiple cellular enzyme sites simultaneously in fungal spores, preventing resistance development.
Does Propineb 70 WP contribute to plant nutrition?
Yes, it contains plant-available zinc that aids chlorophyll synthesis and enhances leaf greening.
When should Propineb 70 WP be sprayed?
Apply preventively before fungal spores infect plant tissues or at the first sign of disease spots.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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