Reviewed March 2010

Rice Foliar Fungicides

Allen Wrather (University of Missouri, 573-379-5431)

This table was prepared using current company product label books. However, label registrations can change at any time. Before using any agricultural pesticide, read and follow directions on label accompanying that product. Product trade names have been used for clarity. Reference to specific trade names does not imply endorsement of these products by the University of Missouri; discrimination is not intended against similar products not listed.

Trade Name and Company
% Active Ingredient(s)
Rate
Additional Information
Quadris

Syngenta

azoxystrobin 22.9% 9.0-12.5 fl. oz./a for sheath and stem diseases.

12.5-15.5 fl. oz./a for blast and other diseases.

For control of aggregate sheath spot, crown sheath rot, sheath blight, sheath spot, stem rot, brown leaf spot, leaf smut, narrow brown leaf spot, kernel smut, and panicle blast
Quilt

Syngenta

azoxystrobin 7% plus
propiconazole 11.7%

14-34.5 fl. oz/a
Consult label about time of application.

Should not be applied once head has emerged. Do not drain water from treated fields into catfish ponds or used for irrigating other crops.
Tilt

Syngenta

propiconazole 41.8% 6 -10 fl. oz/a For control of sheath blight, brown leaf spot, narrow brown leaf spot and brown blotch, leaf smut, sheath spot, kernal smut, and black sheath rot. Tilt also suppresses stem rot and false smut.
Moncut 70 DF

Gowan

flutolanil 70.0% 0.5 - 1.0 lb/acre. Apply at internode elongation and follow with a second application at the same rate 10 to 14 days later. Use the high rate where disease pressure is heavy. For control of sheath blight. Do not apply more than 1.43 lbs/acre per year. Do not apply 30 days prior to harvest. Buffer the water in the spray tank.
Gem

Bayer Crop Science

trifloxystrobin 25% Use 8.0 to 9.8 fl. oz./acre for management of sheath blight and 6.4 to 9.8 fl. oz./acre for management of blast. Use higher rates when disease pressure is severe. Do not apply within 35 days of harvest.
Stratego

Bayer Crop Science

trifloxystrobin (11.4%) and propiconazole (11.4%) per gallon Use 14.0-19.0 fl. oz./acre for management of sheath blight, sheath spot, black sheath rot, brown spot, narrow brown leaf spot, leaf smut, leaf blast, neck blast, kernal smut, and suppression of false smut and stem rot. Use higher rates when disease pressure is severe. Do not apply Stratego once the rice seed head has emerged.
Rovral 4F

Bayer Crop Science

iprodine (41.6%) Use 1 pt./acre for management of sheath blight, brown spot, sheath spot, and narrow brown leaf spot.  
Propimax EC

Dow

propiconazole (41.8%) Use 6 fl oz per acre at IE and again 10-14 days later. Use 10 fl oz per acre at IE For control of sheath blight, brown leaf spot, narrow brown leaf spot and brown blotch, leaf smut, sheath spot, and black sheath rot. It also suppresses stem rot.
Bumper

Makhteshim

propiconazole (41.8%) Use 6 fl oz per acre at IE and again 10-14 days later or use 10 fl oz per acre at IE. For control of sheath blight, brown leaf spot, narrow brown leaf spot and brown blotch, leaf smut, sheath spot, and black sheath rot. It also suppresses stem rot.


* Issued in furtherance of Cooperative Extension Work Acts of May 8 and June 30, 1914, in cooperation with the United States Department of Agriculture. Ronald J. Turner, Director, Cooperative Extension Service, University of Missouri and Lincoln University, Columbia, Missouri 65211. * University Extension does not discriminate on the basis of race, color, national origin, sex, religion, age, disability or status as a Vietnam-era veteran in employment or programs. * If you have special needs as addressed by the Americans with Disabilities Act and need this publication in an alternative format, write ADA Officer, Extension and Agricultural Information, 1-98 Agriculture Building, Columbia, MO 65211, or call (573) 882-8237. Reasonable efforts will be made to accommodate your special needs.

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