Active ingredient and biochemical mode of action
Pydiflumetofen is a succinate dehydrogenase inhibitor (SDHI, FRAC Group 7). It binds tightly to the complex II enzyme in fungal mitochondrial respiratory chains, shutting down cellular energy generation. Its distinct lipophilic chemical structure enables rapid leaf cuticle binding, creating a rainfast chemical depot that releases slowly over weeks.
- Active constituent: Pydiflumetofen (ADEPIDYN molecule, SDHI Group 7)
- Action spectrum: High potency against Ascomycetes pathogens including Cercospora, Alternaria, and powdery mildews
- Rainfastness: Binds to wax layers within one hour, delivering extended residual defense
Target crops and major fungal diseases
- Tomato and potato: Early blight (Alternaria solani) and target leaf spot.
- Chili: Powdery mildew and fruit anthracnose.
- Grapes: Powdery mildew (Uncinula necator) on foliage and fruit bunches.
- Pomegranate: Cercospora fruit and leaf spot.
Application guidance and resistance stewardship
Apply at the early onset of disease symptoms using sufficient water volume for thorough canopy coverage. To preserve SDHI sensitivity, avoid applying more than two consecutive sprays of Vaniva, alternating with multi-site contact fungicides. Always follow CIBRC label-approved rates and pre-harvest intervals.
Official source
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Central Insecticides Board & Registration Committee ↗Related on KisanPe
Common questions
What is the active molecule in Syngenta Vaniva?
Vaniva is powered by Pydiflumetofen, representing the ADEPIDYN SDHI fungicide family.
How does SDHI chemistry control fungal diseases?
It inhibits the succinate dehydrogenase enzyme in fungal mitochondria, shutting down cellular energy production.
Why does Vaniva offer long residual protection?
Its lipophilic structure locks into plant leaf wax, resisting wash-off and continuously diffusing active protection over several weeks.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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