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iprodione (Rovral 4 )

Apply in a minimum of 50 gallons / A water. Thorough coverage of clusters is essential. Application timing should align with mid-bloom, bunch closure, and again at start of veraison (if weather is conducive for disease).  Must be used in conjunction with good cultural practices to reduce disease pressure.

Do not graze animals in vineyards treated with Rovral.

Effect on Beneficials: Unknown
Material Type: Fungicide
Signal Word: Caution
Formulation: Liquid
EPA Number: 279-9564

Usage for iprodione on Grapes

Bloom to Pea Size Fruit

Target Rate of application REI PHI MOA Eff. Notes
Botrytis Bunch Rot 1.0-2.0 pt 48 7 2 Good Good coverage of clusters is essential to efficacy. Key phenological stages for management are early bloom, bunch closure, and veraison to harvest.

Pea Size Fruit to Véraison

Target Rate of application REI PHI MOA Eff. Notes
Botrytis Bunch Rot 1.0-2.0 pt 48 7 2 Good Good coverage of clusters is essential to efficacy. Key phenological stages for management are early bloom, bunch closure, and veraison to harvest.

Véraison to Preharvest

Target Rate of application REI PHI MOA Eff. Notes
Botrytis Bunch Rot 1.0-2.0 pt 48 7 2 Good Good coverage of clusters is essential to efficacy. Key phenological stages for management are early bloom, bunch closure, and veraison to harvest.