Kresoxim-methyl

Action/Use:

Fungicide

Use: Allegro*, Brio*, Ensign*, Juwel*, Landmark*, Mantra*, Mentor*, and Ogam* for powdery mildew, Fusarium, eyespot, blotch, rust, and Septoria spp. in cereals. Alliage*, Candit*, Discus*, and Stroby* for powdery mildew and scab in pome fruits; powdery mildew in grapes; and mildew in vegetables and ornamentals. Locker* for soybeans.

Identification

Common Name(s): Kresoxim-methyl (ISO, BSI)

Chemistry

Class: Strobilurine, a derivative.

Properties: White crystals. Melting point 97.2-101.7�C. Density 1.258 kg/l. Vapor pressure 2.3 x 10^-3 m Pa at 20�C.

Mode of Action / Resistance Management

Chemical Group: Oximino acetate

Taget Site: C3: complex III: cytochrome bc1 (ubiquinol oxidase) at Qo site

Mode of Action: Respiration

Action Group: FRAC Code 11

Comments / Risk Notes: High risk. Cross resistance shown between all members of the Qol group.

Registration

Outside U.S.A.: Locker* in Brazil.

Environmental Guidelines

Degradation/metabolism: Rapid degradation in soil and water; in warm-blooded animals, active ingredient is quickly broken down

Hazards: Fish: Toxic. Bird, Bee: Nontoxic

Soil Particle Adsorption: Moderate

Water Solubility: 0.0002 g/100 ml at 20�C

Safety Guidelines

Signal Word: DANGER

Toxicity Class: I

Spill Control/cleanup: Spillage may be contained with any liquid absorbing material

Handling/storage Cautions: Keep out of reach of children and away from food, drink, and feed. When using, do not eat, drink, or smoke. Do not use near water surfaces and streams

Product/waste Disposal: Contaminated material should be disposed of by combustion in a licensed incinerator. Empty rinsed containers should be disposed of in accordance with local regulations

Toxicity: Tech/Form (Rat): Oral LD₅₀ >5000 mg/kg. Dermal LD₅₀ >2000 mg/kg. Non-irritating to skin and eyes, non-sensitizing

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