WSU Cougar Head Logo Washington State University
Menu
';

isofetamid (Kenja 400SC)

Do not make consecutive applications of FRAC 7-containing fungicides. Apply with sufficient water to  allow for penetration into the foliage to obtain complete coverage using 50 to 100 gallons of spray volume per acre.  Do not make more than 3 total applications per year.

Effect on Beneficials: Unknown
Material Type: Fungicide
Signal Word: Caution
Formulation: Liquid
EPA Number: 71512-22-88783

Usage for isofetamid on Grapes

Bloom to Pea Size Fruit

Target Rate of application REI PHI MOA Eff. Notes
Botrytis Bunch Rot 20.0-22.0 fl oz 12 14 7 Best Good spray coverage of the clusters is essential for efficacy. Resistance Management: Do not make sequential FRAC 7-containing fungicide applications targeting Botrytis. Key phenological stages for management are early bloom, bunch closure, and veraison to harvest.
Powdery Mildew 20.0-22.0 fl oz 12 14 7 Best Resistance Management: To not use sequential applications of FRAC 7-containing fungicides targeting Powdery Mildew.

Pea Size Fruit to Véraison

Target Rate of application REI PHI MOA Eff. Notes
Botrytis Bunch Rot 20.0-22.0 fl oz 12 14 7 Best Good spray coverage of the clusters is essential for efficacy. Resistance Management: Do not make sequential FRAC 7-containing fungicide applications targeting Botrytis. Key phenological stages for management are early bloom, bunch closure, and veraison to harvest.
Powdery Mildew 20.0-22.0 fl oz 12 14 7 Best Resistance Management: To not use sequential applications of FRAC 7-containing fungicides targeting Powdery Mildew.

Véraison to Preharvest

Target Rate of application REI PHI MOA Eff. Notes
Botrytis Bunch Rot 20.0-22.0 fl oz 12 14 7 Best Good spray coverage of the clusters is essential for efficacy. Resistance Management: Do not make sequential FRAC 7-containing fungicide applications targeting Botrytis. Key phenological stages for management are early bloom, bunch closure, and veraison to harvest.