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Structural Factors Affecting Leaf Degradation of Old World Bluestem and Weeping Love Grass1 by Danny E. Akin; Franklin E. Barton; Samuel W. Coleman is a Agricultural and Biological Sciences article available to read on EtoBox.

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Samples of old world bluestem [Bothriochloa caucasica (Trin.) C. E. Hubb.l cv. Caucasian and weeping love grass [Eragrostis curvula (Schrad.) Nees] cv. Morpa were examined for chemical composition, anatomical structure, in vitro dry matter digestibility (IVDMD) and cell wall degradation of leaf blades by scanning electron microscopy in two experiments. In the first experiment, 10-wk-old samples of bluestem and love grass grown without irrigation had the following respective composition.al and digestibility characteristics: crude protein, 7.2 and 8.3%; neutral detergent fiber, 60.1 and 76.3%; tignin, 3.1 and 4.3% and IVDMD, 47.3 and 43%. Rate of dry matter loss was slower, but extent of loss was greater with rumen fluid than with pepsin-cellulase treatment. Microscopic evaluation of cell wall degradation at 6, 12, 24 and 48 h supported the digestion pattern noted for IVDMD and the pepsin-cellulase technique. Mesophyll and portions of the epidermis were the major tissues degraded in both grasses. In the second experiment, 4-wkold samples of irrigated and nonirrigated bluestem and love grass were compared for factors related to quality. Nonirrigated forages had lower protein and highe

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Author

Danny E. Akin; Franklin E. Barton; Samuel W. Coleman

Publisher

American Society of Animal Science; Oxford University Press; Oxford University Press (OUP) (ISSN 0021-8812)

Published

1983

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)