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Bacillus subtilis strain QST 713 (Serenade OPTI)

Apply in sufficient water to provide thorough coverage.

Organic Requires Respirator
Effect on Beneficials: Unknown
Material Type: Fungicide
Signal Word: Caution
Formulation: Spray Powder
EPA Number: 264-1160

Usage for Bacillus subtilis strain QST 713 on Grapes

Budbreak to Prebloom

Target Rate of application REI PHI MOA Eff. Notes
Powdery Mildew 14-20 oz 4 0 BM02 Good Good spray coverage is essential.
Organic

Bloom to Pea Size Fruit

Target Rate of application REI PHI MOA Eff. Notes
Powdery Mildew 14-20 oz 4 0 BM02 Good Good spray coverage is essential.
Organic

Pea Size Fruit to Véraison

Target Rate of application REI PHI MOA Eff. Notes
Powdery Mildew 14-20 oz 4 0 BM02 Good Good spray coverage is essential.
Organic