Current Minor Use Registrations, Priorities and Projects for Sweet Corn

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Current Minor Use Registrations, Priorities
and Projects for Sweet Corn

Author:	Jim Chaput - Provincial Minor Use Coordinator/OMAFRA
Creation Date:	01 March 2002
Last Reviewed:	14 October 2009

Registrations Achieved
Priorities for Ontario
Historical & Active URMULE Projects
Canadian National Minor Use Priorities
Related Links

Crop(s)	Active ingredient	Product	Target Pest(s)	Sponsor	Date
Sweet corn	atrazine + s-metolachlor +linuron	Atrazine + Dual Magnum + Lorox	weeds	P. Sikkema	2001
Sweet corn	Bacillus thuringiensis	Dipel 2X DF	Corn borer	R. Pitblado	2001
Sweet corn	linuron + atrazine + s-metolachlor	Afolan + Dual + Atrazine	weeds	P. Sikkema	2001
Sweet corn and seed corn	imidacloprid	Gaucho	Flea beetles and wireworms	J. Chaput	March 2002
Sweet corn	spinosad	Success	Corn borer	V. Brookes	Feb. 2003
Sweet corn	nicosulfuron	Accent	Weeds for 5 new varieties	D. Robinson	April, 2003
Sweet corn and seed corn	difenoconazole	Dividend XL, Dividend XL RTA	3-leaf dieback	J. Chaput	March, 2004
Sweet corn var. GG214	nicosulfuron	Accent	Weeds	D. Robinson	Aug. 2004
3 sweet corn varieties in western Canada	nicosulfuron	Accent	Weeds	Alberta Veg. growers	March 2005
All corn types	pyraclostrobin	Headline	Rust and gray leaf spot	J. Chaput	April 2005
Sweet corn	spinosad	Entrust	Corn borer	Dow Agro	June 2005
Sweet corn and field corn	azoxystrobin	Quadris	Rust	OPVG	Feb. 2006
Field corn and sweet corn	cyhalothrin-lambda	Matador, Warrior	Armyworm (Pseudaletia unipuncta)	CQH	June 2007, Feb. 2008
Sweet corn (ON)	chlorantraniliprole	Coragen	Corn earworm	FVGO	EMERGENCY USE granted until Oct. 31, 2008; renewed to Oct. 31, 2009
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
Sweet corn, seed corn	topramezone + atrazine	Impact + atrazine	Weeds	D. Robinson, AAFC-PMC	April 2009
Sweet corn, seed corn	mesotrione (post)	Callisto	Weeds	AAFC-PMC	May 2009

Priorities for Ontario

Group 15: Cereal Grains
Entomology: Sweet Corn
Target Pest(s)	Priority Ranking	Potential Solutions (Active Ingredient)	Potential Solutions (Product[s])	Registrant	Eligibility*	URMULE # or IR-4 Status	Justifications**
Corn borer, corn earworm	1	methoxyfenozide	Intrepid	Dow Agro	URMULE		3, 4
		metaflumizone	Alverde	BASF	URMUR		3, 4
		flubendiamide	Synapse	Bayer	Cat. A		3, 4
		novaluron	Rimon	Mahkteshim	URMULE		3, 4
		spinetoram	Delegate	Dow Agro	URMULE		3, 4
Aphids	2	pymetrozine	Fulfill	Syngenta	URMULE		3, 4
		cyantraniliprole	HGW (cyazypyr)	Dupont	Cat. A		3, 4
		tolfenpyrad	NAI-2302	Nichino	Cat. A		3, 4
Wireworm	3	thiamethoxam	Cruiser	Syngenta	URMULE	07610	3

Group 15: Cereal Grains
Pathology: Sweet Corn
Target Pest(s)	Priority Ranking	Potential Solutions (Active Ingredient)	Potential Solutions (Product[s])	Registrant	Eligibility*	URMULE # or IR-4 Status	Justifications**
Rust	1	tebuconazole	Folicur	Bayer	URMULE		3, 4
Northern corn leaf blight	2						3, 4

Group 15: Cereal Grains
Weed Priorities: Sweet Corn
Target Pest(s)	Priority Ranking	Potential Solutions (Active Ingredient)	Potential Solutions (Product[s])	Registrant	Eligibility*	Justifications**
Fall panicum, crabgrass, proso millet	1	sethoxydim	Poast Ultra	BASF	URMULE	1 (Poast tolerant varieties)
Proso millet	2	pendimethalin	Prowl H2O	BASF	Cat. B	1
Ragweed, thistle	3					1

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

* Eligibility:

URMULE = User Requested Minor Use Label Expansion; product already available in Canada on other commodities
URMUR = User Requested Minor Use Registration; product not registered in Canada yet, but available for same use in USA or EU.
Other = Is not eligible for either of the above
Cat. A = Registrant submission
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:

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

Historical & Active URMULE Projects

Group 15: Cereal Grains

Sweet corn

Target Pest(s): Flea beetles
Active Ingredient: imidacloprid
Product(s): Gaucho ST
Company: Gustafson
Sponsor: J. Chaput
URMULE PSC Number (D.3.1): 2000-1898
URMULE Sub. Number (D.3.2): 2001-3648
Status: Rationale submitted July 2001;Registered as per letter from PMRA, Mar. 19, 2002:

Target Pest(s): Weeds
Active Ingredient: nicosulfuron
Product(s): Accent
Company: Dupont
Sponsor: P. Sikkema
URMULE PSC Number (D.3.1): 2001-0642
URMULE Sub. Number (D.3.2): 2002-3492
Status: 2 new sweet corn varieties, submitted March 2001; June 2001, additional tolerance trials required; data submitted Dec. 02; registered April 2003

Target Pest(s): Weeds
Active Ingredient: nicosulfuron
Product(s): Accent
Company: Dupont
Sponsor: D. Robinson
URMULE PSC Number (D.3.1): 2002-1008
URMULE Sub. Number (D.3.2): 2002-3416
Status: Several new varieties requested; submitted May 2002; denied by PMRA Nov. 2002, more data req'd; data submitted Dec. 02; registered April 2003

Target Pest(s): Weeds
Active Ingredient: nicosulfuron
Product(s): Accent
Company: Dupont
Sponsor: D. Robinson
URMULE PSC Number (D.3.1): 2003-0645
URMULE Sub. Number (D.3.2): 2003-1281
Status: Request to add 4 new varieties, submitted March 2003; registered Aug. 2003

Target Pest(s): Weeds
Active Ingredient: nicosulfuron
Product(s): Accent
Company: Dupont
Sponsor: D. Robinson
URMULE PSC Number (D.3.1): 2004-1045
URMULE Sub. Number (D.3.2): 2004-1651
Status: Request for variety GG 214; registered Aug. 2004

Target Pest(s): Corn borer, armyworm
Active Ingredient: spinosad
Product(s): Success
Company: Dow Agro
Sponsor: V. Brookes
URMULE PSC Number (D.3.1): N/A
URMULE Sub. Number (D.3.2): 2002-1049
Status: Submitted May, 2002; registered for corn borer, Feb. 2003

Target Pest(s): 3-leaf dieback
Active Ingredient: difenoconazole
Product(s): Dividend
Company: Syngenta
Sponsor: J. Chaput
URMULE PSC Number (D.3.1): 2003-0931, 2003-0932
URMULE Sub. Number (D.3.2): 2003-1168, 2003-1169
Status: Submitted with seed corn, April, 2003; email July 21, 2003 seeking clarification of seed uses. Registered March 2004

Target Pest(s): Rust on sweet corn & field 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): Aphids
Active Ingredient: acetamiprid
Product(s): Assail
Company: Nisso
Sponsor: AAFC06-034
URMULE PSC Number (D.3.1): 2005-2528
URMULE Sub. Number (D.3.2):
Status: 2006 Project; DACO issued Dec. 15, 2005; residue data required zones 5, 5B, 7A, 12. Reporting phase 3/08.

Target Pest(s): Weeds
Active Ingredient: clopyralid
Product(s): Lontrel
Company: Dow Agro
Sponsor: D. Robinson
URMULE PSC Number (D.3.1): 2005-1020
URMULE Sub. Number (D.3.2):
Status: Submitted late May 2005. DACO issued Sept. 12, 2005; 6 residue trials required in zones 5, 5B, 7A, 12. Submission WITHDRAWN December 2007.

Target Pest(s): Weeds
Active Ingredient: nicosulfuron
Product(s): Accent
Company: E. I. du Pont
Sponsor: J. Chaput
URMULE PSC Number (D.3.1): 2006-0435
URMULE Sub. Number (D.3.2): 2006-3522
Status: Submitted Jan. 2006; Request for national label covering all sweet corn varieties. Registered September 2006.

Target Pest(s): Corn borer, earworm
Active Ingredient: chlorantraniliprole
Product(s): Coragen
Company: E. I. du Pont
Sponsor: AAFC07-037
URMULE PSC Number (D.3.1): 2008-5986
URMULE Sub. Number (D.3.2): 2009-4032
Status: 2007 Project. D.3.1 assigned Dec. 24, 2008. D.3.2 assigned Oct. 1, 2009.

Target Pest(s): Corn earworm
Active Ingredient: novaluron
Product(s): Rimon
Company: Mahkteshim
Sponsor: AAFC07-051
URMULE PSC Number (D.3.1): 2007-0812
URMULE Sub. Number (D.3.2):
Status: 2007 Project, joint with IR-4 (09838). DACO issued Aug. 2, 2007; efficacy and residue data required.

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.

Target Pest(s): Weeds
Active Ingredient: topramezone + atrazine
Product(s): Impact + Atrazine
Company: AmVac
Sponsor: D. Robinson, D. Bilyea
URMULE PSC Number (D.3.1): 2007-6037, 2007-6851
URMULE Sub. Number (D.3.2): 2008-0355, 2008-0356
Status: Submitted August 2007. D.3.2 assigned Jan. 24, 2008. D.3.2 approval granted Sept. 30, 2008. C.6.3 2008-5387 label approved March 27, 2009.

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. Matador 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): 2008-1404, 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): Aphids
Active Ingredient: spirotetramat
Product(s): Movento
Company: Bayer
Sponsor: AAFC09-027
URMULE PSC Number (D.3.1):
URMULE Sub. Number (D.3.2):
Status: 2009 project.

Target Pest(s): Weeds, seed and sweet corn
Active Ingredient: mesotrione (POST)
Product(s): Callisto
Company: Syngenta
Sponsor: AAFC08-071, AAFC08-072
URMULE PSC Number (D.3.1): 2008-1541, 2008-1542
URMULE Sub. Number (D.3.2): 2008-3015
Status: submitted May 2008. D.3.2 assigned Aug. 7, 2008. D.3.2 approval granted April 14, 2009. C.6.3 2009-1203 label approved May 28, 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.

Sweet corn in Quebec

Target Pest(s): flea beetles, wireworm
Active Ingredient: imidacloprid
Product(s): Gaucho
Company: Bayer
Sponsor: D. Savoie
URMULE PSC Number (D.3.1): 2003-1358
URMULE Sub. Number (D.3.2): 2004-0561
Status: Submitted July, 2003; registered April 2005

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 not accepted or rust on sorghum, millet; residue 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.

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