Reviewed March 2009

Rice Seed Treatment Fungicides

Allen Wrather(573-379-5401)

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
Allegiance - FL

Bayer Crop Science

metalaxyl 28.35% 0.75 - 1.5 fl. oz. per 100 lbs. of seed. For Pythium caused seed rot and damping-off control. For use as a commercial seed treatment.
Trilex F

Bayer Crop Science

Tri floxystrobin 22% 0.32 - 0.64 fl. oz./cwt For Rhizoctonia solani control
Apron XL LS

Syngenta

mefenoxam 33.3% Apply 0.0425 to 0.085 oz. per 100 lbs. of seed for Pythium seed rot and damping-off control in rice when applied in combination with Vitavax-200, 42-S Thiram, or RTU-Vitavax-Thiram at labeled rates. For Pythium seed rot and damping-off control. If using Apron XL LS treated rice seed, do not use Ridomil Gold for control of Pythium in water-seeded rice. For use as a commercial seed treatment.
Maxim 4FS

Syngenta

fludioxonil 40.3% 0.08 - 0.16 fl oz/cwt Provides protection against certain soil-borne and seed-bourne diseases.
Dynasty

Syngenta

azoxystrobin 9.6% 0.153 - 1.53 fl oz/100 lbs seed For control of various seed and seedling diseases especially Rhizoctonia. For use as a commercial seed treatment.
42-S Thiram

Bayer Crop Science

thiram 42% 1.5 fl oz/bu For seed decay, damping off, and seedling blights
Grain Guard

Chemtura

mancozeb 50% 4 oz. per 100 lbs. of seed. For control of damping-off, seed rots, and seedling blights. Drill box treatment.
Manzate Flowable

DuPont

mancozeb 37% 3.4 to 6.7 oz. per 100 lbs. of seed. For control of Achlya and other soilborne and seedborne fungi causing seed rot and reduced seedling vigor. Apply before, during, or after soaking in water.
RTU-Vitavax-Thiram

Bayer Incorporated

carboxin 10% +
thiram 10%
5 to 6.8 fl. oz. per 100 lbs. of seed. For control of various seed and seedling diseases. The higher rate is recommended for control of Helminthosporium oryzae. Ready to use seed treatment which may be applied as a commercial seed treatment or as a pour-on hopper box application.
Vitavax M

Helena

carboxin 5.7% + thiram 5.7% 9 to 12 fl. oz. per 100 lbs. of seed. To control various seed and seedling diseases, especially effective against Rhizoctonia solani and Helminthosporium oryzae. The higher rate is recommended for control or Helminthosporium oryzae. Apply as a pour-on treatment or by machine.

  • Do not use treated seed for food, feed, or oil purposes.
  • All treated seed must be colored with an EPA-approved dye which imparts an unnatural color to the seed.
  • Federal law requires that bags containing treated seeds shall be labeled with the following information: "This seed has been treated with (common chemical names of active ingredients) fungicide(s). Do not use treated seed for feed, food, or oil purposes."
  • Store away from feed and foodstuffs.

* 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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