WSU Cougar Head Logo Washington State University
Menu
';

myclobutanil (Rally 40WSP)

Do not make consecutive applications with another FRAC 3-containing fungicide. It is recommended to apply Rally 40 WSP with a contact product such as oil or sulfur.

Apply Rally 40WSP in 50 gallons of water per acre using power-operated ground application equipment to protect pruning wounds from vine diseases. Apply as a directed spray immediately after pruning (within 24 hours). See label for additional information on pruning wound protection.

Effect on Beneficials: Safe
Material Type: Fungicide
Signal Word: Caution
Formulation: Soluble Packet
EPA Number: 62719-410

Usage for myclobutanil on Grapes

Budbreak to Prebloom

Target Rate of application REI PHI MOA Eff. Notes
Powdery Mildew 3.0-5.0 oz 24 14 3 Better Resistance Management: Do not use FRAC 3 fungicides sequentially. In early-season, we recommend tank mixing with a multi-site fungicide. Do not exceed 14 day intervals.

Bloom to Pea Size Fruit

Target Rate of application REI PHI MOA Eff. Notes
Powdery Mildew 3.0-5.0 oz 24 14 3 Better Resistance Management: Do not use FRAC 3 fungicides sequentially. In early-season, we recommend tank mixing with a multi-site fungicide. Do not exceed 14 day intervals.