Active ingredients and dual mode of action
The two active chemistries complement each other to eradicate fungal infections and prevent pathogen resistance. Azoxystrobin (FRAC Group 11 QoI) inhibits fungal mitochondrial respiration, preventing spore germination and promoting crop vitality. Difenoconazole (FRAC Group 3 DMI) blocks fungal cell membrane ergosterol biosynthesis, halting established mycelial expansion.
- Azoxystrobin (18.2%): Strobilurin fungicide providing preventive action and physiological greening effect.
- Difenoconazole (11.4%): Triazole systemic fungicide providing strong curative and eradicant action.
- Formulation: Suspension Concentrate (SC) ensuring smooth mixing and uniform foliar deposition.
Target crops and major fungal pathogens
- Paddy (rice): Sheath blight (Rhizoctonia solani) and blast disease (Pyricularia oryzae).
- Chili: Anthracnose fruit rot (Colletotrichum capsici) and powdery mildew.
- Tomato: Early blight (Alternaria solani).
- Maize: Maydis leaf blight and banded leaf and sheath blight.
Application instructions and safety rules
Apply as a foliar spray at the initial appearance of disease symptoms using clean water and calibrated knapsack or power sprayers. Do not apply under high winds or impending rain. Wear protective gear including gloves and masks, and strictly observe CIBRC label-recommended dosages and pre-harvest intervals.
Official source
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Central Insecticides Board & Registration Committee ↗Related on KisanPe
Common questions
What are the active ingredients in Syngenta Amistar Top?
Amistar Top contains Azoxystrobin 18.2% and Difenoconazole 11.4% in a suspension concentrate formulation.
Which major disease does Amistar Top manage in paddy?
It provides exceptional control against sheath blight and blast diseases in paddy crops.
Does Amistar Top have curative disease activity?
Yes, its systemic triazole component (Difenoconazole) provides strong curative action against established fungal mycelia.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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