Publication Date

1993

Description

Experiments were conducted with barley (Hordeum vulgare) and millet (Pennisetum americanum), collected at vegetative, boot, heading and mature growth stages, and berseem clover (Trifollum alexandrium) collected al vegetative, bud and late bloom stages, In the grasses, stems and leaf sheaths were higher (P<0.05) in cell wall constituents, xylose, p-coumaric acid, and ferulic acid and lower (P<0.05) In in vitro dry matter digestibility (IVDMD) than leaf blades. In the legume, stems were higher (P<0,05) in cell wall constituents and xylose than petioles and leaflets, Al advanced maturity, scanning electron microscopy (SEM) showed increased lignification and decreased tissue digestion for leaf sheaths and stems of grasses, compared with leaf blades. In berseem,petioles were higher in IVDMD than leaflets and stems.

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Chemical and Physical Changes Associated with Maturity of Barley, Pearl millet and Berseem Clover

Experiments were conducted with barley (Hordeum vulgare) and millet (Pennisetum americanum), collected at vegetative, boot, heading and mature growth stages, and berseem clover (Trifollum alexandrium) collected al vegetative, bud and late bloom stages, In the grasses, stems and leaf sheaths were higher (P<0.05) in cell wall constituents, xylose, p-coumaric acid, and ferulic acid and lower (P<0.05) In in vitro dry matter digestibility (IVDMD) than leaf blades. In the legume, stems were higher (P<0,05) in cell wall constituents and xylose than petioles and leaflets, Al advanced maturity, scanning electron microscopy (SEM) showed increased lignification and decreased tissue digestion for leaf sheaths and stems of grasses, compared with leaf blades. In berseem,petioles were higher in IVDMD than leaflets and stems.