Method of controlling weeds in conifers

Details Method of controlling weeds in conifers Method of controlling weeds in conifers

1981-02-13

1983-04-12

Hollrah, Glennon H.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 93, 71 86, 71120, A01N 4354

Patent

active

043797172

ABSTRACT:
The application of certain sulfonylurea compounds to stands of conifer plants such as loblolly pine controls undesired vegetation without adverse effects on the conifers. These compounds have the formula: ##STR1## wherein R is Cl or CO.sub.2 R.sub.2 where R.sub.2 is C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.4 alkenyl, CH.sub.2 CH.sub.2 OCH.sub.3 or CH.sub.2 CH.sub.2 Cl;

REFERENCES:
patent: 4169719 (1979-10-01), Levitt
Hinton et al., "Site Preparation and Regeneration, etc.;" (1972) CA 77, No. 110452w, (1972).
Fitzgerald et al., "Herbaceons Weed Control, etc.;" (1979) CA 92, No. 123272x, (1980).
Ahrens, "Chemical Control of Crabgrass, etc.;" (1971), CA 74, No. 123,931q, (1971).
Van Dorsser, "Current Research into Weed, etc.;" (1971), CA 76, No. 95658b, (1972).

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