Low-foam aqueous formulations for crop protection

摘要

Liquid aqueous formulations of water-soluble active crop protectant ingredients which comprise
(a) one or more water-soluble active ingredients (type (a) ingredients),(b) if desired, one or more water-insoluble active ingredients (type (b) ingredients),(c) if desired, polar organic solvents,(d) anionic surfactants,(e) if desired, nonionic, cationic and/or zwitterioinic surfactants,(f) silicone-based defoamers from the group of the linear polydimethylsiloxanes having an average dynamic viscosity, measured at 25° C., in the range from 1000 to 8000 mPas, and containing silica,(g) if desired, other, customary formulation assistants, and(h) water

are suitable as low-foam formulations for application in crop protection.
;Also possible is the use of the corresponding active-ingredient-free adjuvant formulations in a tank mix with or in split application with active-ingredient formulations.

主权项

1. A liquid aqueous herbicidal composition consisting of:
(a) 1% to 40% by weight of one or more water-soluble herbicidal active ingredients selected from the group consisting of compounds of the formula (1) or salts thereof: in which Z1 is a radical of the formula:
—OM;—NHCH(CH3)CONHCH(CH3)CO2M; or—NHCH(CH3)CONHCH[CH2CH(CH3)2]CO2M;where:
M=H or a salt-forming cation; (c) 0% to 50% by weight of polar organic solvents; (d) 1% to 80% by weight of anionic surfactants; (e) 0 to 20% by weight of nonionic, cationic, and/or zwitterionic surfactants; (f) 0.02% to 10% by weight of silicone-based defoamers selected from the group of the linear polydimethylsiloxanes having an average dynamic viscosity, measured at 25° C., in the range from 1000 to 8000 mPas, and containing silica; (g) 0 to 30% by weight of other customary formulation assistants; and (h) 0.1% to 90% by weight of water.