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Goosegrass (Eleusine indica) Control in Turf in the Transition Zone

Published online by Cambridge University Press:  12 June 2017

Peter H. Dernoeden ,
Thomas L. Watschke  and
J. Kevin Mathias
Peter H. Dernoeden
Affiliation:
Dep. Agron., Univ. of Maryland, College Park, MD 20742
Thomas L. Watschke
Affiliation:
Dep. Agron., Pennsylvania State Univ., University Park, PA 16802
J. Kevin Mathias
Affiliation:
Inst. of Appl. Agric. Univ. of Maryland, College Park, MD
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Abstract

The objective of this investigation was to determine if preemergence herbicides, applied at the standard rates and times for smooth crabgrass [Digitaria ischaemum (Schreb.) Muhl. ♯ DIGIS] control, would provide season-long control of goosegrass [Eleusine indica (L.) Gaertn. ♯ ELEIN] in the transition zone. The transition zone is a unique area of turfgrass culture between cool and warm regions where quality of turfgrasses frequently declines due to environmental stresses. Single and sequential applications of bensulide [O,O-diisopropyl phosphorodithioate S-ester with N-(2-mercaptoethyl)benzenesulfonamide] and DCPA (dimethyltetrachloroterephthalate) did not effectively control goosegrass in any of the three test years. Benefin (N-butyl-N-ethyl-α,α,α-trifluoro-2,6-dinitro-p-toluidine) usually required sequential dosages to provide good (90%) to excellent (95%) goosegrass control. Nearly all rates of oxadiazon [2-tert-butyl-4(2,4-dichloro-5-isopropoxyphenyl)-δ2-1,3,4-oxadiazolin-5-one] used provided good to excellent goosegrass control. Napropamide [2-(α-naphthoxy)-N,N-diethylpropionamide] plus bensulide provided excellent goosegrass control in 1981, but not in 1982. Pendimethalin [N-(1-ethylpropyl)-3,4-dimethyl-2,6-dinitrobenzenamine] also provided effective goosegrass control.

Keywords

Digitaria ischaemumbenefinbensulideDCPAnapropamideoxadiazonpendimethalinDIGISELEIN
Type
Weed Control and Herbicide Technology
Information
Weed Science , Volume 32 , Issue 1 , January 1984 , pp. 4 - 7
Copyright
Copyright © 1984 by the Weed Science Society of America 

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References

Literature Cited

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