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Initial and Residual Herbicide Control of Crabgrass (Digitaria spp.) in Bermudagrass (Cynodon dactylon) Turf

  • L. M. Callahan (a1), J. R. Overton (a1) and W. L. Sanders (a1)

Abstract

Over 9 yr, bandane (polychlorodicyclopentadiene isomers) at 67 kg/ha, bensulide [O,O-diisopropyl phosphorodithioate S-ester with N-(2-mercaptoethyl)benzenesulfonamide] at 11 and 22 kg/ha, DCPA (dimethyl tetrachloroterephthalate) at 22 kg/ha, and terbutol (2,6-di-tert-butyl-p-tolyl methylcarbamate) at 22 kg/ha applied preemergence controlled 94 to 100% of large crabgrass [Digitaria sanguinalis (L.) Scop. # DIGSP] in a lawn of common bermudagrass [Cynodon dactylon (L.) Pers. # CYNDA]. Control from benefin (N-butyl-N-ethyl-α,α,α-trifluoro-2,6-dinitro-p-toluidine) at 5 kg/ha, DCPA at 11 kg/ha, simazine [2-chloro-4,6-bis(ethylamino)-s-triazine] at 5 kg/ha, and terbutol at 11 kg/ha was 90 to 99%. Bandane and bensulide persisted in soil to control large crabgrass a year after treatment.

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References

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1. Barrett, L. H. and Jagschitz, J. A. 1975. Control of crabgrass and goosegrass with preemergence chemicals in turfgrass. Proc. Northeast Weed Sci. Soc. 29:359364.
2. Callahan, L. M. and Overton, J. R. 1978. Effects of lawn management practices on a bermudagrass turf. Tenn. Farm & Home Sci. Prog. Rpt. 108:3740.
3. Engel, R. E., Bussey, C. W., and Catron, P. 1975. Crabgrass and goosegrass control in turfgrass with several preemergence herbicides. Proc. Northeast Weed Sci. Soc. 29:369374.
4. Engel, R. E. and Ilnicki, R. D. 1969. Turf weeds and their control. In Huffine, W. W. and Grau, F. V. Turfgrass Sci. Amer. Soc. Agron. Monograph 14. p. 240287. Madison, WI.
5. Hall, J. R., Deal, E. E., and Powell, A. J. 1974. Seven years of smooth crabgrass control in turfgrass with registered and experimental herbicides. Proc. Northeast Weed Sci. Soc. 28:399405.
6. Jagschitz, J. A. 1972. Preemergence crabgrass and goosegrass control. Proc. Northeast Weed Sci. Soc. 26:205210.
7. Johnson, B. J. 1976. Dates of herbicide application for summer weed control in turf. Weed Sci. 24:422424.

Keywords

Initial and Residual Herbicide Control of Crabgrass (Digitaria spp.) in Bermudagrass (Cynodon dactylon) Turf

  • L. M. Callahan (a1), J. R. Overton (a1) and W. L. Sanders (a1)

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