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Published in Crop Sci 11:129-131 (1971)
© 1971 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Comparisons of Three Scales of Measurement of Creeping in Alfalfa1

Elmer Gray and R. E. Anderson2

Percentages of plants creeping, visual estimates of spread of individual creeping plants, and measurements of spread of both creeping and noncreeping plants were compared as scales of measurement of creeping-root development in alfalfa. In Experiment I, the scales did not differ significantly in power to detect differences in creeping among the lines. In Experiment II, percentages of plants creeping and measurements of spread were equally sensitive, and both scales were more sensitive than visual estimates of spread.

Key Words: Root-spreading • Root-proliferation

1 Joint contribution by the Department of Agriculture, Western Kentucky University, Bowling Green, Kentucky 42101, and the Department of Plant Breeding and Biometry (Paper No. 610 of Plant Breeding Series), Cornell University, Ithaca, New York 14850.

2 Associate Professors Western Kentucky University and Cornell University, respectively.

Received for publication July 17, 1970.




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