Synergistic Dual Chemistry and Modes of Action
Taqat unites two distinct fungicidal classes: Hexaconazole belongs to the triazole group (FRAC Group 3 - DMI), which inhibits C-14 demethylation in fungal ergosterol synthesis. It is absorbed rapidly by green tissues and translocated acropetally via xylem vessels to protect new foliage.
Captan belongs to the phthalimide group (FRAC Group M04 - Multisite contact activity), which reacts non-specifically with cellular thiols and proteins in fungal spores. This dual action provides both therapeutic internal healing and external protective surface barrier.
- Systemic & Multisite Synergy: Delivers internal therapeutic control alongside an external protective foliar shield.
- Multisite Resistance Barrier: The high Captan component prevents fungal pathogens from developing resistance to triazole chemistry.
- Formulation Type: Wettable Powder (70% WP) providing a tenacious, weather-resistant protective barrier on foliage and fruit.
Target Fungal Pathogens and Major Crops
Taqat is registered under CIBRC standards for controlling critical disease complexes in apple orchards, chilli, grapes, tomato, and black pepper. In apples, it delivers control against apple scab (Venturia inaequalis) and powdery mildew.
In chilli and vegetables, it manages fruit rot / anthracnose (Colletotrichum capsici) and powdery mildew, preventing blossom drop and fruit lesion spotting that causes market downgrades.
- Apple Scab Management: Controls primary ascospores and secondary conidial infections on leaves and developing fruitlets.
- Chilli Anthracnose & Powdery Mildew: Prevents fruit rot and powdery foliar mildew in commercial chilli fields.
- Black Pepper Protection: Controls fungal pollu and leaf rot under wet monsoon conditions.
Application Guidelines and Spray Timing
Apply Taqat at the first visual appearance of disease lesions or preventively during weather conditions favorable to fungal epidemics. Maintain good agitation during spray tank mixing to keep the wettable powder evenly suspended.
Do not mix Taqat with alkaline compounds (such as Bordeaux mixture or lime sulphur) or oil-based insecticides, as chemical interactions can reduce fungicidal efficacy and trigger leaf phytotoxicity.
- Preventive Timing: Spray at early vegetative or bloom onset before fungal colonies cover leaves.
- Tank Mix Precautions: Avoid alkaline mixtures and oil-based foliar products.
- Pre-Harvest Interval (PHI): Observe recommended harvest waiting windows as prescribed on the product label.
Official source
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Central Insecticides Board & Registration Committee (CIBRC) ↗Related on KisanPe
Common questions
What is the active technical composition of Taqat fungicide?
Taqat contains Hexaconazole 5% + Captan 70% WP (Wettable Powder), manufactured by Rallis India.
Why is Taqat effective against both scab and powdery mildew?
It combines systemic Hexaconazole (which cures powdery mildew internally) with multisite contact Captan (which prevents scab spore penetration externally).
Can Taqat be mixed with alkaline sprays like Bordeaux mixture?
No, Captan degrades rapidly in alkaline conditions; do not mix Taqat with Bordeaux mixture, lime, or alkaline chemicals.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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