Saflufenacil

Action/Use:

Herbicide

Use: Selective herbicide for control of broadleaf weeds, used preplant, preemergence and as a defoliant. Eragon* for use on corn, soybeans, wheat. Heat* for use on cereals and corn. Integrity* for use on corn. OpTill* for use on soybeans, chickpeas, and peas. Sharpen* for use on cereals, corn, cotton, fallow, grain sorghum, soybeans, and sunflower. Sharpen* can also be used for preplant burndown on rice. OpTill* PRO for use on soybeans. Treevix* for use on bearing and nonbearing fruit crops including citrus, pome fruit, and tree nuts. Verdict* for use on corn, grain sorghum and soybeans.

Identification

Common Name(s): Saflufenacil (BSI, ISOE)

Chemistry

Class: Pyrimidindione

Formula: C₁₇H₁₇CIF₄N₄O₅S

Mode of Action / Resistance Management

Chemical Group: Pyrimidinedione

Mode of Action: Inhibits protoporphyrinogen oxidase (PPO) that disrupts cell membranes

Action Group: HRAC Group E; WSSA Group 14

Registration

Outside U.S.A.: Heat* in Argentina and Chile; Eragon*, Integrity* in Canada. Sharpen* in Australia.

Environmental Guidelines

Water Solubility: 0.14 ppm at pH 4, 0.25 ppm at pH 5, and 21 ppm at pH 7

Safety Guidelines

Signal Word: WARNING ((OpTill* PRO, Verdict*)), CAUTION ((OpTill*, Treevix*))

Toxicity Class: II, III

Toxicity: Tech: (Rat): Oral LD₅₀ >2000 mg/kg

Suppliers and Branded Products

Basic Producers:

BASF Corporation (Eragon*, Heat*, Sharpen*, Treevix*)

Premix Products:

+ Dimethenamid-P

Integrity* — BASF Corporation
Verdict* — BASF Corporation

+ Dimethenamid-P+ Imazethapyr

OpTill* PRO — BASF Corporation

+ Imazethapyr

OpTill* — BASF Corporation