Postemergent herbicide compositions containing silicone glycol a

Details Postemergent herbicide compositions containing silicone glycol a Postemergent herbicide compositions containing silicone glycol a

1990-04-11

1991-05-21

Robinson, Allen J.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 91, 71108, 71124, 71DIG1, A01N 3738

Patent

active

050172166

ABSTRACT:
There is disclosed a herbicide composition in which a postemergent herbicide is activated by the inclusion of a silicone glycol adjuvant consisting essentially of (i) a silicone glycol having an average of 4 or 5 ethylene oxide units in its glycol chain and (ii) a silicone glycol dispersant compound for component (i). The composition provides enhanced phytotoxicity in the control of weeds, particularly velvetleaf plants, and shows an improved degree of rainfastness relative to prior art compositions.

REFERENCES:
patent: 3299112 (1967-01-01), Bailey
patent: 3708277 (1973-01-01), Zeidler et al.
patent: 4063929 (1977-12-01), Bayer et al.
patent: 4336057 (1982-06-01), Bieringer et al.
patent: 4350522 (1982-09-01), Bayer et al.
patent: 4549903 (1985-10-01), Gerhold
Jansen, L. L., "Enhancement of Herbicides by Silicone Surfactants", Weed Science, vol. 21, Issue 2, pp. 130-135, (1973).
Balneaves, John M., "Proc. 39th N.Z. Weed and Pest Control Conf.", pp. 98-101, (1985).
Union Carbide Corporation, "Silicones for the Agricultural Industry".
Union Carbide Corporation, "Surface Active Copolymers".
Union Carbide Corporation, "SILWET Surfactants for Use in Agriculture".

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