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Book: Proceedings of the Third International Turfgrass Research Conference
Published by: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America

 

This chapter in PROCEEDINGS OF THE THIRD INTERNATIONAL TURFGRASS RESEARCH CONFERENCE

  1.  p. 237-245
     
    Proceedings of the Third International Turfgrass Research Conference

    James B. Beard (ed.)

    ISBN: 978-0-89118-248-1

     

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doi:10.2135/1974.proc3rdintlturfgrass.c27

Goosegrass Control in Bermudagrasses1

  1. S. W. Bingham and
  2. R. L. Shaver

Abstract

Abstract

Preemergence herbicides used for large crabgrass [Digitaria sanguinalis (L.) Scop.] and smooth crabgrass [Digitaria ischaemum (Schreb.) Muhl.] control also partially controlled goosegrass [Eleusine indica (L.) Gaerth.]. However, goosegrass control was more variable from one evaluation to another. Butralin [4-(1, 1-dimethylethyl)-N-(1-methylpropyl)-2,6-dinitrobenzenamine], beneHn (N-butyl-N-ethyl-a,a,atrifluoro-2, 6-dinitro-p-toluidine), and to some extent DCPA (dimethyl tetrachloroterephthalate) gave better results in repeated applications as opposed to single treatments for goosegrass control. Single treatments with oxadiazon [2-tert-butyl-4-(2,4dichloro- 5-isopropoxyphenyl)-Δ2-1, 3, 4-oxadiazolin-5-one] and prosulfalin [N-[[4-(dipropylamino)-3, 5-dinitrophenyl]sulfonyl]-S, S-dimethylsulfilimine] applied early enough for pre-emerence crabgrass control were also suitable for full-season goosegrass control. Rotation of other preemergence herbicides with oxadiazon during early and late spring gave similar results to repeated treatments. Bensulide [O, O-diisopropyl phosphorodithioate S-ester with N-(2-mercaptoethyl)-benzenesulfonamide] failed to adequately control goosegrass and repeated treatments did not improve the program even when oxadiazon was utilized as the late spring treatment following bensulide in April. Satisfactory seedling goosegrass control with DSMA (disodium methanearsonate) required repeated treatments at intervals of 14 days or less. Preemergence herbicides maintained full-season goosegrass control following postemergence control of seedlings with DSMA. During the 3 years of effective goosegrass control, bermudagrass [Cynodon dactylon (L.) Pers. ‘Common’] cover improved in about the same proportions to the annual grasses controlled.

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Copyright © 1980. Copyright © 1980 by the American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, and International Turfgrass Society, 5585 Guilford Rd., Madison, WI 53711 USA