Pesticide
Product Reference
Reference data for fungicides, herbicides, insecticides, and nematicides used in published TPMR efficacy trials. Always read the current product label before use.
Product Type
Fungicide
Disease control
Reference Data Only — Always Read the Current Product Label Before Use
Information on this page is provided for general reference purposes and may not reflect the most current label, registration status, approved use sites, application rates, or restrictions for your state or region. Pesticide registrations, use patterns, and label language are subject to change without notice. It is the applicator's legal responsibility to read and follow the current product label in its entirety prior to each use. TPMR assumes no liability for errors, omissions, or decisions made based on this reference data.
Velista
Penthiopyrad 20.6% · Suspension Concentrate (SC)
Manufactured by Syngenta · EPA Reg. No. 100-1192
Penthiopyrad
Pyrazole-4-carboxamide (SDHI)
12 hours
WARNING
Mode of Action
Succinate Dehydrogenase Inhibitor (SDHI)
Inhibits succinate dehydrogenase (complex II) in the mitochondrial electron transport chain, blocking the conversion of succinate to fumarate and reducing ATP production. This disrupts fungal energy metabolism and spore germination.
Labeled Disease Targets
Application
Rate Range
0.5 – 0.7
fl oz / 1,000 sq ft
Interval
14 – 28 days
days between applications
Resistance Management
Medium resistance risk (FRAC classification). Point mutations in the sdh gene conferring reduced sensitivity have been documented in Clarireedia jacksonii populations. Limit applications to 2–3 per season and rotate with non-SDHI, non-QoI fungicides.
TPMR Reports Using This Product
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