Vegetable Disease of the Week

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Spinach White Rust (and Downy Mildew) Recommendations
Foliage Application:
Prior to symptom development, apply the following on a 7 to 10 day schedule:

Quadris (azoxystrobin, 11) at 12.0 to 15.5 fl oz 2.08SC/A, or 

Cabrio (pyraclostrobin, 11) at 12.0 to 16.0 oz 20EG/A, or 

Reason (fenimadone, 11) at 5.5 to 8.2 fl oz 500SC/A, or 

Tanos (famoxodone + cymoxanil, 11 + 27 ) at 8.0 to 10.0 oz 50W/A. 

Rotate to one of the following fungicides:
Ranman (cyazofamid, 21) at 2.75 fl oz 400F/A, or

Revus (mandipropamid, 40) at 8.0 fl oz 2.08F, or 

Presidio (fluopicolide, 43) at 3.0 to 4.0 fl oz 4SC/A, or 

Actigard (acibenzolar-S-methyl, P) at 0.50 to 0.75 oz 50WG/A, or 

Aliette (fosetyl Al, 33) at 3.0 lb 80WDG/A, or 

Fixed copper (FRAC code M1) at labeled rates (Copper containing fungicides may cause some phytotoxicity), or 

Ridomil Gold Copper (mefenoxam + copper, 4 + M1) at 2.5 lb 65WP/A (on 14-day schedule).

White Rust on underside of spinach.

For more information, see
2012 NJ Commercial Vegetable Production Recommendations.

-Andy Wyenandt