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Condensed Tannin Concentration of Rhizomatous and Nonrhizomatous Birdsfoot Trefoil in Grazed Mixtures and Monocultures

L. Wena, C. A. Roberts*,b, J. E. Williamsa, R. L. Kallenbachb, P. R. Beuselinckc and R. L. McGrawb

a Dep. of Animal Sciences, Univ. of Missouri, Columbia, MO 65211
b Dep. of Agronomy, Univ. of Missouri, Columbia, MO 65211
c USDA-Agricultural Research Service, Univ. of Missouri, Columbia, MO 65211



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Fig. 1. Condensed tannin concentration expressed as catechin equivalents (CE) in grazed birdsfoot trefoil in 1998. Pastures included ‘Norcen’ birdsfoot trefoil (BFT) and rhizomatous birdsfoot trefoil (RBFT) grown in monocultures and mixtures with tall fescue (TF). Means with similar letter are not different at 0.05 {alpha} level. *Condensed tannin of BFT in monoculture differed from BFT in mixtures at 0.10 {alpha} level.

 


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Fig. 2. Condensed tannin concentration expressed as catechin equivalents (CE) in grazed birdsfoot trefoil in 1999. Pastures included ‘Norcen’ birdsfoot trefoil (BFT) and rhizomatous birdsfoot trefoil (RBFT) grown in monocultures and mixtures with tall fescue (TF). Means with similar letter are not different at 0.05 {alpha} level.

 


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Fig. 3. Condensed tannin concentration expressed as catechin equivalents (CE) in grazed birdsfoot trefoil averaged across treatments in 1998. Confidence interval set at 0.05 {alpha} level.

 


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Fig. 4. Condensed tannin concentration expressed as catechin equivalents (CE) in grazed birdsfoot trefoil averaged across treatments in 1999. Confidence interval set at 0.05 {alpha} level.

 





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