Ir 4 national meeting sept 2007
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IR-4 National Meeting Sept 2007. Nichino America Inc. Jim Adams, Manager, Product Development Marie Maks-Regulatory Affairs Manager Web site: www.nichino.net. ET® Herbicide/Defoliant (Pyraflufen-Ethyl) . Commercial Brands. ET® 2.5 % EC Edict ® 2% SC Venue ® 2SC Octane Venue.

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IR-4 National Meeting Sept 2007

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Ir 4 national meeting sept 2007

IR-4 National Meeting Sept 2007

Nichino America Inc.

Jim Adams, Manager, Product Development

Marie Maks-Regulatory Affairs Manager

Web site: www.nichino.net


Et herbicide defoliant pyraflufen ethyl

ET® Herbicide/Defoliant(Pyraflufen-Ethyl)


Commercial brands

Commercial Brands

  • ET® 2.5 % EC

  • Edict ® 2% SC

  • Venue ® 2SC

  • Octane

  • Venue


Structure activity

Structure/Activity

  • Chemical Name: ethyl 2-chloro-5-[4-chloro-(5-difluoromethoxy)-1-methyl-1H-pyrazol-3-yl]-4-fluorophenoxyacetate

  • CAS Number: 129630-19-9

  • Formula: C15H13Cl2F3N2O4

  • Molecular Weight: 413.18

  • Common Name: Pyraflufen-ethyl

  • Code Number: ET-751

  • Trade Name: ET

  • Mode of Action: Protox inhibitor

  • 30 day plantback based on confined crop rotation study; very quick degradation in environment seen in field soil dissipation studies


Use pattern

Use Pattern

  • Generally used in mixtures

    • Defoliants

    • Glyphosate

    • 2,4-D

    • SU’s

    • Others

  • Fallow/Eco-fallow

  • Pre-plant / Post-harvest weed control

  • Post directed weed control (cotton)

  • Cotton Defoliation


Et broadens adoption of ipm

ET Broadens Adoption of IPM

Chemistry: Structure different from other protox inhibitors

Excellent activity on morningglory, Amaranthus spp., wild buckwheat, Russian thistle, prickly lettuce and field bindweed, as well as other broadleaf weeds

Controls ALS-resistant kochia, hemp sesbania, and tall water hemp

Used in place of tribufos and in combination with defoliants and desiccants in cotton.


2008 9 expected section 3

2008/9 Expected Section 3

  • In-crop use in wheat, corn, soybeans (ET® 2.5 EC)

    • Tolerances mid-2008, commercial launch 2009

  • Pasture / rangeland mid-2008 (Edict® SC)

    • Probable launch 2008

    • Excellent activity mixed with 2,4-D against leafy spurge for grass release programs in the western USA


Future label additions

Future label additions

  • Preplant to all major annual crops (ET)

  • Post-bloom use in TNV (Venue)


Ir 4 interests

IR-4 Interests

  • Hops (WA)

  • Sesame oil Priority C (TX)

  • Watercress Priority C (FL)

  • Leafy greens ( ) Priority ?


Nichino america inc

Nichino America Inc.

Website: www.nichino.net


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