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Published online 1 July 1970
Published in Agron J 62:517-520 (1970)
© 1970 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Rooting Ability of Merion Kentucky Bluegrass Sod Grown on Mineral and Muck Soil1

J. H. Dunn and R. E. Engel2

Sods grown on mineral and muck soils in several Northeast and Midwest states were compared for rooting ability in three fielcl tests with a pulling device designed to shear sod horizontally from the soil surface. Glassfaced root observation containers were used in one test to follow daily root development.

Rooting ability of the sods varied more by sod source than by muck or mineral soil type. There was a negative correlation of early rooting of sods with well developed rhizome systems. Cutting sod thin (1.9 cm) gave better early rooting than thicker (3.8 cm) cut sods. There was no significant correlation between root weights and carbohydrate content of tops and roots of sods grown in root observation containers for 22 days.

Key Words: Merion Kentucky bluegrass sod • Mineral and muck soil • Shear strength

1 Contribution from the New Jersey Agricultnral Experiment Station, Departnient of Soils and Crops, Rutgers-The State University, College of Agricultural and Environmental Science, New Brunswick, New Jersey.

2 Formerly Graduate Research Assistant (now Assistant Professor of Horticulture, University of Missouri, Columbia, G5201) and Professor of Turfgrass Management, respectively.

Received for publication December 4, 1969.




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Copyright © 1970 by the American Society of Agronomy.