Full TGIF Record # 235106
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DOI:10.21273/HORTSCI.48.12.1556
Publication Type:
i
Refereed
Author(s):McCurdy, James D.; McElroy, J. Scott; Guertal, Elizabeth A.
Author Affiliation:McCurdy: Department of Plant and Soil Sciences, Mississippi State University, Starkville, MS; McElroy and Guertal: Department of Crop, Soil and Environmental Sciences, Auburn University, Auburn, AL
Title:White clover (Trifolium repens) establishment within dormant bermudagrass turf: Cultural considerations, establishment timing, seeding rate, and cool-season companion grass species
Section:Turf management
Other records with the "Turf management" Section
Source:HortScience. Vol. 48, No. 12, December 2013, p. 1556-1561.
# of Pages:6
Publishing Information:Alexandria, Virginia: American Society for Horticultural Science
Keywords:TIC Keywords: Cultural methods; Cynodon dactylon x Cynodon transvaalensis; Establishment rate; Low maintenance turfgrass species; Mowing height; Seeding rate; Trifolium repens
Abstract/Contents:"White clover (Trifolium repens L.) inclusion is a proposed means of increasing the sustainability of certain low-maintenance turfgrass scenarios through increased pollinator habitat and as a result of the legume's ability to biologically fix atmospheric nitrogen (N). Proper white clover establishment is key to maximizing stand uniformity and N contribution to associated grasses. However, there are few guidelines for white clover establishment within warm-season turfgrasses. Four studies were conducted to evaluate seeded white clover establishment within a dormant hybrid bermudagrass [Cynodon transvaalensis Burtt-Davy x C. dactylon (L.) Pers.] lawn as affected by 1) pre-seeding mechanical surface disruption; 2) establishment timing; 3) seeding rate; and 4) companion grass species. White clover establishment was improved by scalping before October seeding, but these effects were not further enhanced by the addition of verticutting or hollow tine aerification. Unscalped turfgrass yielded nearly 50% lower white clover densities than those scalped before seeding, possibly as a result of decreased seed-to-soil contact and increased bermudagrass competition. January and February establishment dates generally yielded the lowest spring clover densities, whereas October timing yielded superior establishment. Clover densities resulting from six seeding rates (0, 0.4, 0.8, 1.5, 3.0, and 6.0 g live seed/m2) were fit to the linear model (y = y0 + axb, where y equals trifoliate leaves/m2 and x is equal to initial seeding rate). An important feature of this model was that it accurately represented the diminishing response of increasing seeding rate. Clover establishment was negatively correlated with companion grass densities with the largest densities occurring when planted with tall fescue and the smallest when planted with annual ryegrass. Ultimately, scalping alone or in combination with other mechanical surface disruption should be paired with a clover variety acceptable to the height of cut and the environmental conditions of individual scenarios. Likewise, seeding rates and the decision to include a cool-season companion grass species will be dependent on the use of a turf and the desired green cover."
Language:English
References:29
See Also:Original version appears in ASA, CSSA and SSSA Annual Meetings [2013], 2013, p. 78473, with variant title "White clover establishment within dormant bermudagrass turf", R=232261. R=232261
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
McCurdy, J. D., J. S. McElroy, and E. A. Guertal. 2013. White clover (Trifolium repens) establishment within dormant bermudagrass turf: Cultural considerations, establishment timing, seeding rate, and cool-season companion grass species. HortScience. 48(12):p. 1556-1561.
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DOI: 10.21273/HORTSCI.48.12.1556
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