Published online 7 November 2007
Published in Crop Sci 47:2540-2546 (2007)
© 2007 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
Combining Ability of Binary Mixtures of Introduced, Cool- and Warm-Season Grasses and Legumes
T. L. Springera,*,
R. L. Gillenb and
R. W. McNewc
a USDA-ARS, Southern Plains Range Research Station, 2000 18th St., Woodward, OK 73801
b Kansas State Univ., Western Kansas Agricultural Research Centers, Hays, KS 67601
c Dep. of Statistics, Univ. of Arkansas, Fayetteville 72701. Mention of a trademark or a proprietary product does not constitute a guarantee or warranty of the product by USDA, Kansas State University, or the University of Arkansas and does not imply approval to the exclusion of other suitable products. All programs and services of the USDA are offered on a nondiscriminatory basis without regard to race, color, national origin, religion, sex, age, marital status, or handicap

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Figure 1. Forage dry matter (DM) yield for pure stands of Cimarron alfalfa (A), rhizomatous birdsfoot trefoil (BT), Luna intermediate wheatgrass (IW), Max-Q novel endophyte–Jesup tall fescue (TF), Morpa weeping lovegrass (WL), and Spar yellow bluestem (YB) at three harvests (1, 15 May; 2, 5 July; and 3, 1 September) averaged across years (2002–2003). Within harvest, bars with the same letter are not significantly different at P 0.05 (adjusted Tukey test).
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Figure 2. Crude protein (CP) yield for pure stands of Cimarron alfalfa (A), rhizomatous birdsfoot trefoil (BT), Luna intermediate wheatgrass (IW), Max-Q novel endophyte–Jesup tall fescue (TF), Morpa weeping lovegrass (WL), and Spar yellow bluestem (YB) at three harvests (1, 15 May; 2, 5 July; and 3, 1 September) averaged across years (2002–2003). Within harvest, bars with the same letter are not significantly different at P 0.05 (adjusted Tukey test).
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Copyright © 2007 by the Crop Science Society of America.