Chemical Control of Field Horsetail

Author:

Ryan G. F.

Abstract

Soil-incorporated treatments of dichlobenil (2,6-dichlorobenzonitrile) at 4.5 or 9 kg/ha completely controlled field horsetail (Equisetum arvense L.) for 2 yr and at 9 kg/ha, control was 90 to 99% in the third year. Mulching with sawdust after surface application of dichlobenil gave similar results. In an area treated at 9 kg/ha and isolated from emerged field horsetail, there was no reappearance of field horsetail until 5.5 yr after treatment. Japanese holly (Ilex crenata Thunb.) and azalea (Rhododendron X ‘Rosebud’) planted a year after treatment made as much growth in treated as in adjacent untreated soil. Douglas fir seedlings [Pseudotsuga menziesii (Mirb.) Franco] made as much growth in treated as in untreated soil only when planted 2 yr after treatment. Strawberry (Fragaria X ‘Northwest’) plants made approximately 80% as much top growth in treated as in untreated soil when planted 2 yr after herbicide application.

Publisher

Cambridge University Press (CUP)

Subject

Plant Science,Agronomy and Crop Science

Reference9 articles.

1. Agricultural Research Council Weed Research Organization, Great Britain. Evaluation Section. 1969. Rep. Agric. Res. Counc. Weed Res. Organ. for 1967–68:24–33.

2. Biology of perennial weeds: Equisetum arvense (field horsetail);Thurston;Rothamsted, U.K., Expt. Sta. Rept. for,1973

3. These experiments were started by A.S. Myhre, deceased in 1966.

4. Toxic effect of emulsified 2,4-D and dicamba on field horsetail (Equisetum arvense L.);Berezovskii;Dokl. TSKHA.,1967

5. Dichlobenil for weed control in cranberry marshes;Dana;Proc. North Cent. Weed Control Conf.,1962

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