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Goosegrass (Eleusine indica) Control in Bermudagrass (Cynodon dactylon) Turf

Published online by Cambridge University Press:  12 June 2017

B. J. Johnson
B. J. Johnson*
Affiliation:
Dep. of Agron., Univ. of Georgia, Georgia Station, Experiment, GA 30212
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Abstract

Combinations of MSMA (Monosodium methanearsonate) with either methazole [2-(3,4-dichlorophenyl)-4-methyl-1,2,4-oxadiazolidine-3,5-dione] or metribuzin [4-amino-6-tert-butyl-3-(methylthio)-as-triazin-5(4H)-one] were applied at various rates for postemergence control of fully developed goosegrass [Eleusine indica (L.) Gaertn.], a major weed grass in bermudagrass [Cynodon dactylon (L.) Pers.] turf. Two applications of MSMA at 2.24 kg/ha applied in combination with either methazole or metribuzin at 0.14 kg/ha controlled 96 to 98% of the goosegrass and it was as effective as methazole (1.12 kg/ha) or metribuzin (0.56 kg/ha) applied alone. Two applications of methazole (1.12 kg/ha) or metribuzin (0.56 kg/ha) had lower quality ratings (28 and 39, respectively) on bermudagrass putting green at 2 weeks after treatment than combinations of MSMA (2.24 kg/ha) with either methazole (0.14 kg/ha) or metribuzin (0.14 kg/ha) (54 and 59, respectively). The initial injury from combination treatments was not severe and turf recovered within 3 to 4 weeks.

Keywords

Putting greenturfgrass toleranceweed controlmethazolemetribuzin
Type
Research Article
Information
Weed Science , Volume 28 , Issue 4 , July 1980 , pp. 378 - 381
Copyright
Copyright © 1980 by the Weed Science Society of America 

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References

Literature Cited

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