Chemical Abstracts name

5-O-demethylavermectin A1a (i) mixture with 5-O-demethyl-25-de(1-methylpropyl)-25-(1-methylethyl)avermectin A1a (ii) 

 

Biochemistry Acts by stimulating the release of γ-aminobutyric acid, an inhibitory neurotransmitter, thus finally activating chloride channels. See M. J. Turner & J. M. Schaeffer in Ivermectin and Abamectin, p. 73.

 

Mode of action Insecticide, acaricide and nematicide with contact and stomach action. Has limited plant systemic activity, but exhibits translaminar movement.

 

Uses Control of motile stages of mites, leaf miners, suckers, Colorado beetles, etc. on ornamentals, cotton, citrus fruit, pome fruit, nut crops, vegetables, potatoes, and other crops. Application rates are 5.6 to 28 g/ha for mite control, 11 to 22 g/ha for control of leaf miners. Also used for control of nematodes by seed treatment, and of fire ants.

 

Phytotoxicity May be phytotoxic to pome fruit when mixed with captan.

 

Compatibility Not compatible with captan.

 

Formulation types 1.8%EC