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Effects of Glyphosate and Siduron on Turfgrass Establishment

Published online by Cambridge University Press:  12 June 2017

Loren Moshier ,
A. J. Turgeon  and
Donald Penner
Loren Moshier
Affiliation:
Dep. of Crop and Soil Sci., Michigan State Univ., East Lansing, MI, 48824
A. J. Turgeon
Affiliation:
Dep. of Hort., Univ. of Illinois, Urbana, IL 61801
Donald Penner
Affiliation:
Dep. of Crop and Soil Sci., Michigan State Univ., East Lansing, MI, 48824
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Abstract

The effects of several concentrations of glyphosate [N-(phosphonomethyl)glycine] and siduron [1-(2-methylcyclohexyl)-3-phenylurea] on germination and seedling growth of Kentucky bluegrass (Poa pratensis L. ‘Nugget,’ ‘Prato,’ ‘Fylking,’ ‘Park’), creeping bentgrass (Agrostis palustris Huds. Penncross,’ ‘Seaside’), and red fescue (Festuca rubra L. ‘Pennlawn,’ ‘Wintergreen’) were evaluated in petri dishes under controlled environmental conditions. A high concentration of glyphosate (10-4 M) reduced shoot growth in all but two cultivars. Siduron had no effect. Glyphosate or siduron applied to the soil and incorporated did not affect turfgrass germination or growth. When the glyphosate was sprayed over the soil and on the seed lying on the soil surface, red fescue germination was reduced and shoot growth of Kentucky bluegrass, creeping bentgrass, and red fescue was inhibited at the high rate of glyphosate application (17.9 kg/ha). Under field conditions, none of the glyphosate treatments reduced turfgrass germination or growth.

Type
Research Article
Information
Weed Science , Volume 24 , Issue 5 , September 1976 , pp. 445 - 448
Copyright
Copyright © 1976 by the Weed Science Society of America 

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References

Literature Cited

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