The adaptation of Stenotaphrum secundatum (Walt.) Kuntze and Festuca arundinacea Schreb. to three shade environments as affected by mowing heights

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dc.contributor.advisorBeard, James B.
dc.creatorAlmodares, Abbas
dc.date.accessioned2020-08-21T22:13:38Z
dc.date.available2020-08-21T22:13:38Z
dc.date.issued1980
dc.descriptionVita.en
dc.description.abstractA study was conducted to evaluate the (1) effectiveness of and validity of conducting turfgrass shade adaptation research under saran shade cloth vs. post oak tree shade, (2) shade adaptation mechanisms of Kenwell tall fescue and Texas Common St. Augustinegrass, and (3) effects of cutting height on the shade adaptation of the above species. Five microenvironmental factors and seven turfgrass responses were measured under 0 shade (full sun), saran shade cloth, and post oak tree shade throughout the season from February through November, 1977. Saran shade cloth failed to produce an environment comparable to the microclimate under post oak tree shade. Photosynthetic irradiance, light quality, air temperatures, and base canopy temperatures were lower under post oak tree shade than under saran shade cloth. Relative humidities and wind velocities under the shade regimes were found to be similar, and had little influence on differential turfgrass responses. Also, the turf under post oak tree shade had the advantage of exposure to sun flecking. Measurements of shoot density, shoot growth, turf cover, and turfgrass quality were significantly higher under post oak tree shade than under saran shade cloth. Tall fescue leaves were shorter and more prostrate under tree shade than under the artificial shade. Furthermore, the shade-month and shade-cutting height interactions were significantly different between saran shade cloth and post oak tree shade. Both tall fescue and St. Augustinegrass turfs grown in full sun had higher turf cover, turfgrass quality, shoot growth, shoot density, and shoot carbohydrate content and had shorter leaves than when grown under post oak tree shade. St. Augustinegrass tended to grow more upright under post oak tree shade which reduced light interception and caused removal of a greater percentage of leaf area during mowing. This resulted in a slower establishment rate and a weakened turf. Tall fescue leaf orientations were similar under both full sun and post oak tree shade. ...en
dc.format.digitalOriginreformatted digitalen
dc.format.extentxvi, 121 leavesen
dc.format.mediumelectronicen
dc.format.mimetypeapplication/pdf
dc.identifier.oclc6749799
dc.identifier.urihttps://hdl.handle.net/1969.1/DISSERTATIONS-676226
dc.language.isoeng
dc.publisher.digitalTexas A&M University. Libraries
dc.rightsThis thesis was part of a retrospective digitization project authorized by the Texas A&M University Libraries. Copyright remains vested with the author(s). It is the user's responsibility to secure permission from the copyright holder(s) for re-use of the work beyond the provision of Fair Use.en
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/
dc.subjectMajor agronomyen
dc.subjectSaint Augustinegrassen
dc.subjectShade-tolerant plantsen
dc.subjectTall fescueen
dc.subjectTurf managementen
dc.subjectTurfgrassesen
dc.subject.classification1980 Dissertation A451
dc.subject.lcshTurfgrassesen
dc.subject.lcshShade-tolerant plantsen
dc.subject.lcshTurf managementen
dc.subject.lcshTall fescueen
dc.subject.lcshSaint Augustinegrassen
dc.titleThe adaptation of Stenotaphrum secundatum (Walt.) Kuntze and Festuca arundinacea Schreb. to three shade environments as affected by mowing heightsen
dc.typeThesisen
dc.type.genredissertationsen
dc.type.materialtexten
thesis.degree.grantorTexas A&M Universityen
thesis.degree.nameDoctor of Philosophyen

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