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Current Minor Use Registrations, Priorities
and Projects for Field Corn

Author: Jim Chaput - Provincial Minor Use Coordinator/OMAFRA
Creation Date: 01 March 2002
Last Reviewed: 19 November 2009

Table of Contents

  1. Registrations Achieved
  2. Priorities for Ontario
  3. Historical & Active URMULE Projects
  4. Canadian National Minor Use Priorities
  5. Related Links

Registrations Achieved
Crop(s) Active ingredient Product Target Pest(s) Sponsor Date
Field corn Bacillus thuringiensis Dipel 2X DF Corn borer R. Pitblado 2001
Field corn dicamba Banvel II Canada fleabane P. Sikkema 2001
Field corn rimsulfuron + nicosulfuron Ultim weeds in Manitoba Manitoba Jan. 2002
Field corn nicosulfuron + bromoxynil Accent + Pardner weeds in Prairies Manitoba Jan. 2002
Field corn dicamba + nicosulfuron Banvel II + Accent as above as above as above
Field corn dicamba/ diflufenzopyr Distinct Canada thistle, E. Canada P. Sikkema April, 2003
Field corn nicosulfuron/rimsulfuron Ultim 25 DF, 75 DF, 37.4 DF Sandbur P. Sikkema Sept. 2003
Field corn glufosinate ammonium Liberty Weeds in Manitoba Manitoba corn growers Dec. 2003
Field corn in E. Canada dicamba/ diflufenzopyr + nicosulfuron/ rimsulfuron Distinct + Ultim Horsenettle P. Sikkema Sept. 2004
All corn types pyraclostrobin Headline Rust and gray leaf spot J. Chaput April 2005
Field corn in Manitoba dicamba + foramsulfuron Banvel II + Option Weeds Manitoba Corn Growers June 2005
Field corn in E. Canada dicamba + diflufezopyr Distinct Tall Waterhemp P. Sikkema, T. Cowan July 2005
Field corn in E. Canada mesotrione + s-metolachlor + atrazine Callisto + Primextra II Magnum Tall Waterhemp P. Sikkema, T. Cowan July 2005
Field corn in E. Canada dicamba/diflufenzopyr + nicosulfuron/rimsulfuron Distinct + Ultim Field Horsetail P. Sikkema, T. Cowan August 2005
Field corn in E. Canada mesotrione + atrazine Callisto + Aatrex Tall Waterhemp P. Sikkema, T. Cowan August 2005
Field corn in AB & SK glufosinate ammonium Liberty Weeds AB Corn Committee Sept. 2005
Field corn and sweet corn azoxystrobin Quadris Rust OPVG Feb. 2006
Field corn in E. Canada and BC isoxaflutole + atrazine Converge Pro Tall Waterhemp P. Sikkema, T. Cowan March 2006
Field corn nicosulfuron Accent Long-spined sandbur P. Sikkema, T. Cowan Sept. 2006
Field corn in E. Canada and Manitoba foramsulfuron Option Wirestem muhly P. Sikkema, T. Cowan Feb. 2007
Field corn in E. Canada and Manitoba foramsulfuron Option Long-spined sandbur P. Sikkema, T. Cowan March 2007
Field corn atrazine + dicamba Marksman Waterhemp, volunteer adzuki beans P. Sikkema, T. Cowan March, Nov. 2007
Field corn atrazine + s-metolachlor Primextra II Magnum Waterhemp P. Sikkema, T. Cowan March 2007
Field corn spiromesifen Forbid Banks grass mite, 2 spotted mites Bayer March 2007
Field corn in Manitoba rimsulfuron + dicamba + s-metolachlor Elim + Banvel + Dual Magnum Labeled weeds Manitoba May 2007
Field corn and sweet corn cyhalothrin-lambda Matador, Warrior Armyworm (Pseudaletia unipuncta) CQH June 2007, Feb. 2008
Field corn atrazine + mesotrione Aatrex + Callisto Volunteer adzuki bean P. Sikkema, T. Cowan Dec. 2007
Field corn and sweet corn atrazine + bromoxynil Aatrex + Pardner Volunteer adzuki bean P. Sikkema, T. Cowan Aug. 2008
Field corn, seed corn and sweet corn cyhalothrin-lambda (rate increase) Matador, Warrior ECB, CEW J. Chaput Dec. 2008
Field corn atrazine + dicamba Marksman Common cocklebur P. Sikkema, T. Cowan Aug. 2009
Field corn atrazine + mesotrione Aatrex + Callisto Giant ragweed P. Sikkema, T. Cowan Aug. 2009

 

Priorities for Ontario

Group 15: Cereal Grains
Entomology: Field Corn
Target Pest(s) Priority Ranking Potential Solutions (Active Ingredient) Potential Solutions (Product[s]) Registrant Eligibility* URMULE or IR-4 Status Justifications**
Western bean cutworm 1 flubendiamide Belt Bayer Cat. A  
2
cyhalothrin-lambda Matador, Warrior Syngenta URMULE  
2
Millipedes 2          
1

 


Group 15: Cereal Grains
Pathology: Field Corn
Target Pest(s) Priority Ranking Potential Solutions (Active Ingredient) Potential Solutions (Product[s]) Registrant Eligibility* URMULE or IR-4 Status Justifications**
Nematodes 1 abamectin Avicta Syngenta Cat. A  
1
iodomethane Midas Arysta Cat. A  
1
Ear molds 2          
1

 

Group 15: Cereal Grains
Weed Priorities: Field Corn
Target Pest(s) Priority Ranking Potential Solutions (Active Ingredient) Potential Solutions (Product[s]) Registrant Eligibility* URMULE or IR-4 Status Justifications**
Bur cucumber  1 s-metolachlor + bromoxynil + atrazine Primextra (pre) + Pardner + Aatrex (post) Syngenta + Bayer URMULE   1
isoxaflutole + bromoxynil + atrazine Converge (pre) + Pardner + Aatrex (post) Bayer + Syngenta URMULE   1
Spreading atriplex 2 bromoxynil + atrazine (post) Pardner + Aatrex BASF + Syngenta URMULE   1
Horsenettle 3 primisulfuron/ rimsulfuron + dicamba + nicosulfuron Summit Extra Syngenta URMULE   1
nicosulfuron/ rimsulfuron + dicamba Ultim + Banvel Dupont + BASF URMULE   1
nicosulfuron/ rimsulfuron + dicamba/ diflufenzopyr Ultim Total Dupont URMULE   1
nicosulfuron/ rimsulfuron + dicamba/ atrazine Ultim + Marksman Dupont + BASF URMULE   1
nicosulfuron + prosulfuron + dicamba Accent 1 Pass Dupont URMULE   1
Common Waterhemp 4 dicamba Banvel BASF URMULE   1
dicamba + diflufenzopyr Distinct BASF URMULE   1
Biennial wormwood 5 dicamba/ diflufenzopyr Distinct BASF URMULE   1
dicamba Banvel BASF URMULE   1
dicamba + atrazine Marksman BASF URMULE   1
Wild carrot 6 dicamba/ diflufenzopyr Distinct BASF URMULE   1
Sandbur 7 nicosulfuron/ rimsulfuron Ultim Dupont URMULE   1
Canada fleabane 8 dicamba/ diflufenzopyr Distinct BASF URMULE   1
Tufted vetch 9 clopyralid Lontrel Dow Agro URMULE   1
Prickly lettuce 10 dicamba/ diflufenzopyr Distinct BASF URMULE   1
dicamba + atrazine Marksman BASF URMULE   1

Ontario’s minor use priorities are established annually by various service committees and minor use commodity liaison committees.

* Eligibility:

  1. URMULE = User Requested Minor Use Label Expansion; product already available in Canada on other commodities
  2. URMUR = User Requested Minor Use Registration; product not registered in Canada yet, but available for same use in USA or EU.
  3. Other = Is not eligible for either of the above
  4. Cat. A = Registrant submission
  5. Cat. B = Registrant submissions for new or amended product chemistry, new MRLs for previously assessed actives, new or amended label statements, reinstatement of registered products, extension of limited term registrations and emergency use registrations.

** Justifications:

  1. No pest control product registered to control this pest (insect, disease, weed)
  2. New introduced or invasive pest problem
  3. Old technology (organophosphate, carbamate, EBDC, etc.) replacement
  4. Resistance management /IPM strategy tool
  5. Reduced risk, biopesticide, pheromone or GRAS (generally regarded as safe) product
  6. Export crop with need for harmonized pest control options and crop tolerances
  7. New crop

Historical & Active URMULE Projects

Group 15: Cereal Grains

Field Corn

Target Pest(s): Sandbur
Active Ingredient: nicosulfuron + rimsulfuron
Product(s): Ultim
Company: Dupont
Sponsor: P. Sikkema
URMULE PSC Number (D.3.1): 2001-0392
URMULE Sub. Number (D.3.2): 2003-0102
Status: Submitted Feb. 2001; June 2001 -8 additional efficacy trials required; data submitted Jan. 2003; registered Sept. 2003 as stand-alone treatment only

Target Pest(s): Weeds in Manitoba
Active Ingredient: nicosulfuron + dicamba
Product(s): Accent + Banvel
Company: Dupont
Sponsor: Manitoba
URMULE PSC Number (D.3.1): 2001-2079
URMULE Sub. Number (D.3.2):
Status: 10 efficacy and 4 tolerance trials required. Appears registered on Canadian label.

Target Pest(s): Weeds in Manitoba
Active Ingredient: nicosulfuron
Product(s): Accent
Company: Dupont
Sponsor: Manitoba
URMULE PSC Number (D.3.1): 2001-2271
URMULE Sub. Number (D.3.2):
Status: 4 efficacy and 4 tolerance trials required. Appears registered on Canadian label.

Target Pest(s): Weeds in Manitoba
Active Ingredient: glufosinate ammonium
Product(s): Liberty
Company: Bayer
Sponsor: Manitoba corn growers
URMULE PSC Number (D.3.1): 2002-1757
URMULE Sub. Number (D.3.2): 2003-0963
Status: DACO issued May 2, 2003; residue data ok for review, efficacy accepted, supplemental label required; registered Dec. 2003

Target Pest(s): Weeds in AB and SK
Active Ingredient: glufosinate ammonium
Product(s): Liberty
Company: Bayer
Sponsor: E. Tokariuk, AB Corn growers
URMULE PSC Number (D.3.1): 2003-2004
URMULE Sub. Number (D.3.2): 2004-4162
Status: Submitted Sept. 2003; DACO issued Jan. 5, 2004; efficacy and crop tolerance data required. Registered September 2005.

Target Pest(s): Prickly lettuce, Canada thistle, perennial sowthistle
Active Ingredient: dicamba-diflufenzopyr
Product(s): Distinct
Company: BASF
Sponsor: P. Sikkema
URMULE PSC Number (D.3.1): 2001-1223
URMULE Sub. Number (D.3.2):
Status: 4 Additional efficacy trials required over 2 years; DROP request for Prickly lettuce and sowthistle, data for Can. thistle submitted Feb. 2003

Target Pest(s): Weeds in Manitoba
Active Ingredient: isoxaflutole + atrazine
Product(s): Converge
Company: Bayer
Sponsor: Manitoba
URMULE PSC Number (D.3.1): 2002-0702
URMULE Sub. Number (D.3.2):
Status: Crop tolerance data needed, letter Oct. 2002. Withdrawn Nov. 2005 due to lack of registrant support.

Target Pest(s): Horsenettle in E. Canada
Active Ingredient: nicosulfuron/ rimsulfuron + dicamba/ diflufenzopyr
Product(s): Ultim + Distinct
Company: Dupont + BASF
Sponsor: P. Sikkema
URMULE PSC Number (D.3.1): 2004-1036
URMULE Sub. Number (D.3.2): 2004-1737
Status: Submitted late April 2004; D.3.2 assigned Aug. 5, 2004. Registered Sept. 2004

Target Pest(s): Field horsetail in E. Canada
Active Ingredient: nicosulfuron/ rimsulfuron + dicamba/ diflufenzopyr
Product(s): Ultim + Distinct
Company: Dupont + BASF
Sponsor: P. Sikkema
URMULE PSC Number (D.3.1): 2005-0490
URMULE Sub. Number (D.3.2): 2005-1175
Status: Submitted March 2005. Registered August 2005.

Target Pest(s): Rust on field and sweet corn
Active Ingredient: azoxystrobin
Product(s): Quadris
Company: Syngenta
Sponsor: OPVG
URMULE PSC Number (D.3.1): 2005-0252
URMULE Sub. Number (D.3.2): 2005-0914
Status: Submitted Feb. 2, 2005. D.3.2 assigned May 27, 2005. Registered Feb. 2006.

Target Pest(s): Waterhemp
Active Ingredient: mesotrione + atrazine
Product(s): Callisto + Aatrex
Company: Syngenta
Sponsor: P. Sikkema
URMULE PSC Number (D.3.1): 2005-0444
URMULE Sub. Number (D.3.2): 2005-1092
Status: Submitted March 2005. Email questions from PMRA regarding weed growth stage and level of control, May 12, 2005. Registered August 2005.

Target Pest(s): Waterhemp
Active Ingredient: mesotrione + s-metolachlor/atrazine
Product(s): Callisto + Primextra II Magnum
Company: Syngenta
Sponsor: P. Sikkema
URMULE PSC Number (D.3.1): 2005-0594
URMULE Sub. Number (D.3.2): 2005-1089
Status: Submitted early April 2005. Registered July 2005.

Target Pest(s): Waterhemp
Active Ingredient: diflufenzopyr + dicamba
Product(s): Distinct
Company: BASF
Sponsor: P. Sikkema
URMULE PSC Number (D.3.1): 2005-0595
URMULE Sub. Number (D.3.2): 2005-1090
Status: Submitted early April 2005. Email questions from PMRA regarding weed growth stage and level of control, May 12, 2005. Registered July 2005.

Target Pest(s): Waterhemp
Active Ingredient: isoxaflutole + atrazine
Product(s): Converge Pro + Aatrex
Company: Bayer + Syngenta
Sponsor: P. Sikkema, T. Cowan
URMULE PSC Number (D.3.1): 2005-3746
URMULE Sub. Number (D.3.2): 2006-0389
Status: Submitted Fall 2005. Registered March 2006.

Target Pest(s): Labelled weeds in Manitoba
Active Ingredient: dicamba + foramsulfuron
Product(s): Banvel + Option
Company: BASF + Bayer
Sponsor: Manitoba Corn Growers
URMULE PSC Number (D.3.1): 2005-0070
URMULE Sub. Number (D.3.2): 2005-0696
Status: Registered June 2005

Target Pest(s): Wirestem muhly (Manitoba and E. Canada)
Active Ingredient: foramsulfuron
Product(s): Option
Company: Bayer
Sponsor: P. Sikkema, T. Cowan
URMULE PSC Number (D.3.1): 2006-0387
URMULE Sub. Number (D.3.2): 2006-3358
Status: Submitted Jan. 2006; Rate clarification requested March 1, 2006. Registered Feb. 2007

Target Pest(s): Bur cucumber (E. Canada)
Active Ingredient: bromoxynil + atrazine
Product(s): Pardner + Aatrex
Company: Bayer + Syngenta
Sponsor: P. Sikkema, T. Cowan
URMULE PSC Number (D.3.1): 2006-0693
URMULE Sub. Number (D.3.2): 2006-3618
Status: Submitted Feb. 2006; D.3.2 assigned May 31, 2006. Registered July 2006.

Target Pest(s): Waterhemp
Active Ingredient: dicamba + atrazine
Product(s): Marksman
Company: BASF
Sponsor: P. Sikkema, T. Cowan
URMULE PSC Number (D.3.1): 2006-1498
URMULE Sub. Number (D.3.2): 2006-4822
Status: Submitted March 2006. D.3.2 assigned Aug. 10, 2006. Registered March 2007.

Target Pest(s): Sandbur
Active Ingredient: foramsulfuron
Product(s): Option
Company: Bayer
Sponsor: P. Sikkema, T. Cowan
URMULE PSC Number (D.3.1): 2006-2301
URMULE Sub. Number (D.3.2): 2006-3806
Status: Submitted March 2006. D.3.2 assigned June 20, 2006. Registered March 2007.

Target Pest(s): Sandbur
Active Ingredient: nicosulfuron
Product(s): Accent
Company: Dupont
Sponsor: P. Sikkema, T. Cowan
URMULE PSC Number (D.3.1): 2006-2785
URMULE Sub. Number (D.3.2): 2006-3769
Status: Submitted March 2006. Registered September 2006.

Target Pest(s): Waterhemp
Active Ingredient: atrazine + s-metolachlor
Product(s): Primextra II Magnum
Company: Syngenta
Sponsor: P. Sikkema, T. Cowan
URMULE PSC Number (D.3.1): 2006-3210
URMULE Sub. Number (D.3.2): 2006-4683
Status: Submitted April 2006. D.3.2 assigned Aug. 1, 2006. Registered March 2007.

Target Pest(s): Wild oats and labeled weeds
Active Ingredient: rimsulfuron + dicamba + s-metolachlor
Product(s): Elim + Banvel II + Dual Magnum
Company: E. I. du Pont + BASF + Syngenta
Sponsor: Manitoba
URMULE PSC Number (D.3.1): 2006-3282
URMULE Sub. Number (D.3.2): 2006-6500
Status: Submitted May 2006. Registered May 2007.

Target Pest(s): Volunteer adzuki bean in E. Canada
Active Ingredient: atrazine + mesotrione
Product(s): Aatrex + Callisto
Company: Syngenta
Sponsor: P. Sikkema, T. Cowan
URMULE PSC Number (D.3.1): 2007-2169
URMULE Sub. Number (D.3.2): 2007-4467
Status: Submitted February 2007. D.3.2 assigned June 27, 2007. D.3.2 approval granted Aug. 27, 2007. Final labels approved Nov. 28, 2007.

Target Pest(s): Volunteer adzuki bean
Active Ingredient: atrazine + dicamba
Product(s): Marksman
Company: BASF
Sponsor: P. Sikkema, T. Cowan
URMULE PSC Number (D.3.1): 2007-2782
URMULE Sub. Number (D.3.2): 2007-4108
Status: Submitted March 2007. D.3.2 assigned May 18, 2007. D.3.2 approval granted July 26, 2007; final label approved Nov. 1, 2007.

Target Pest(s): Corn borer, corn earworm
Active Ingredient: cyhalothrin lambda (rate increase)
Product(s): Matador, Warrior
Company: Syngenta
Sponsor: J. Chaput
URMULE PSC Number (D.3.1): 2007-4249, 2007-6848
URMULE Sub. Number (D.3.2): 2007-7628, 2007-7629
Status: Submitted end of April 2007. PMRA requests detailed study reports Sept. 2007. D.3.2 assigned Oct. 17, 2007. D.3.2 approval granted Aug. 28, 2008. C.6.3 2008-4876 registered Dec. 22, 2008.

Target Pest(s): Armyworm (Pseudaletia unipuncta)
Active Ingredient: cyhalothrin lambda
Product(s): Matador/Warrior
Company: Syngenta
Sponsor: CQH
URMULE PSC Number (D.3.1): 2007-4439, 2007-5343
URMULE Sub. Number (D.3.2): 2007-4493, 2007-8121
Status: Submitted June 2007. Registered end of June 2007. (converted from emergency use). Warrior registered Feb. 2008.

Target Pest(s): Volunteer adzuki bean in E. Canada
Active Ingredient: atrazine + bromoxynil
Product(s): Aatrex + Pardner
Company: Syngenta + Bayer
Sponsor: P. Sikkema, T. Cowan
URMULE PSC Number (D.3.1): 2008-1405, 2008-1405
URMULE Sub. Number (D.3.2): 2008-2450, 2008-2451
Status: Submitted April 2008. D.3.2 assigned June 26, 2008. D.3.2 approval granted July 3, 2008. C.6.3 2008-2679 label approved Aug. 12, 2008.

Target Pest(s): Common cocklebur
Active Ingredient: atrazine + dicamba
Product(s): Marksman
Company: BASF
Sponsor: P. Sikkema, T. Cowan
URMULE PSC Number (D.3.1): 2009-0333
URMULE Sub. Number (D.3.2): 2009-1316
Status: Submitted Feb. 2009. D.3.2 approval granted May 1, 2009. C.6.3 2009-1497 label approved Aug. 6, 2009.

Target Pest(s): Common cocklebur in E. Canada
Active Ingredient: atrazine + mesotrione
Product(s): Aatrex + Callisto
Company: Syngenta
Sponsor: P. Sikkema, T. Cowan
URMULE PSC Number (D.3.1): 2009-0761, 2009-0762
URMULE Sub. Number (D.3.2): 2009-1432, 2009-1433
Status: Submitted March 2009. D.3.2 assigned May 1, 2009.

Target Pest(s): Giant ragweed in E. Canada
Active Ingredient: atrazine + mesotrione
Product(s): Aatrex + Callisto
Company: Syngenta
Sponsor: P. Sikkema, T. Cowan
URMULE PSC Number (D.3.1): 2009-0863, 2009-0864
URMULE Sub. Number (D.3.2): 2009-1320, 2009-1321
Status: Submitted March 2009. D.3.2 approval granted May 1, 2009. C.6.3 2009-2040 label approved Aug. 20, 2009.

Target Pest(s): Common cocklebur in E. Canada
Active Ingredient: diflufenzopyr + dicamba
Product(s): Distinct
Company: BASF
Sponsor: P. Sikkema, T. Cowan
URMULE PSC Number (D.3.1): 2009-0865
URMULE Sub. Number (D.3.2): 2009-2103
Status: Submitted March 2009. D.3.2 assigned June 30, 2009. D.3.2 approval granted Nov. 16, 2009.

Target Pest(s): Western bean cutworm (all corn types)
Active Ingredient: cyhalothrin-lambda
Product(s): Matador, Warrior
Company: Syngenta
Sponsor: J. Chaput
URMULE PSC Number (D.3.1): 2009-1156, 2009-1157
URMULE  Sub.Number (D.3.2): 2009-4030, 2009-4031
Status: Submitted April 2009. D.3.2 assigned Oct. 1, 2009.

Target Pest(s): Western bean cutworm (all corn types)
Active Ingredient: deltamethrin
Product(s): Decis
Company: Bayer
Sponsor: J. Chaput
URMULE PSC Number (D.3.1): 2009-1499, 2009-1500
URMULE  Sub.Number (D.3.2): 2009-3001, 2009-3002
Status: Submitted May 2009. D.3.2 assigned August 19, 2009.

Target Pest(s): Giant ragweed in E. Canada
Active Ingredient: atrazine + bromoxynil
Product(s): Aatrex + Pardner
Company: Syngenta + Bayer
Sponsor: P. Sikkema, T. Cowan
URMULE PSC Number (D.3.1): 2009-1181, 2009-1182
URMULE Sub. Number (D.3.2): 2009-2318, 2009-2319
Status: Submitted April 2009. D.3.2 assigned July 15, 2009.

Crop Group

Target Pest(s): Rust, gray leaf spot
Active Ingredient: pyraclostrobin
Product(s): Headline
Company: BASF
Sponsor: J. Chaput
URMULE PSC Number (D.3.1): N/A
URMULE Sub. Number (D.3.2): 2003-2093
Status: Submitted Sept. 2003; DACO issued May 6, 2004; efficacy for gray leaf spot on corn and rust on sorghum/millet not accepted; residue data not accepted for sorghum/millet. June 14, 2004, submission amended to corn only with complete gray leaf spot data provided to PMRA for review. Registered April 2005.

Canadian National Minor Use Priorities

Visit the Agriculture and Agri-Food Canada website (Pesticide Risk Reduction and Minor Use Programs) or contact your provincial minor use coordinator.

Related Links

 

For more information:
Toll Free: 1-877-424-1300
Local: (519) 826-4047
E-mail: ag.info.omafra@ontario.ca