Full TGIF Record # 919
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Web URL(s):https://dl.sciencesocieties.org/publications/aj/pdfs/65/4/AJ0650040533
    Last checked: 12/09/2016
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Publication Type:
i
Refereed
Author(s):Akin, Danny E.; Burdick, Donald
Author Affiliation:Akin: Microbiologist; Burdick: Research Chemist, Forage and Feed Laboratory, Richard B. Russell Agricultural Research Center, United States Department of Agriculture, Athens, Georgia
Title:Microanatomical differences of warm-season grasses revealed by light and electron microscopy
Source:Agronomy Journal. Vol. 65, No. 4, July/August 1973, p. 533-537.
Publishing Information:Madison, WI: American Society of Agronomy
# of Pages:5
Keywords:TIC Keywords: Lignin; Cynodon dactylon; Paspalum notatum; Festuca arundinacea; Lignification; Rigidity; Morphology; Electron microscopy; Scanning electron microscopy; Fluorescence microscopy; Leaf sheath
Cultivar Names:Coastal; Coastcross-1; Pensacola; Kentucky 31
Abstract/Contents:"The warm-season grasses, 'Coastal' and 'Coastcross-1' bermudagrass (Cynodon dactylon (L.) Pers.) and 'Pensacola' bahiagrass (Paspalum notatum var. saurae Parodi), and the cool-season species 'Kentucky 31' tall fescue (Festuca arundinacea Schreb.) were investigated for differences in lignification sites and microanatomy. Leaf samples were examined by light, transmission electron, and scanning electron microscopy. In all the grasses studied, lignin was apparent in the tissue separating xylem and phloem in all first order vascular bundles. The bermudagrasses possessed a rigid, lignified inner bundle sheath surrounding the ground tissue of first order vascular bundles; bahia possessed only a lignified, partial inner sheath in this region. The second order bundles had a single, nonlignified sheath in all warm-season grasses examined. Tall fescue appeared to have double-sheathed vascular bundles with the outer sheath composed of thin-walled cells. The inner sheath in the first-order bundles of tall fescue contained slight amounts of lignin in cells adjacent to phloem tissue. Reported differences in microanatomy could be factors responsible for digestibility variances of grasses."
Language:English
References:16
Note:Pictures, b/w
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Akin, D. E., and D. Burdick. 1973. Microanatomical differences of warm-season grasses revealed by light and electron microscopy. Agron. J. 65(4):p. 533-537.
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https://dl.sciencesocieties.org/publications/aj/pdfs/65/4/AJ0650040533
    Last checked: 12/09/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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