Influence of seed and foliar applications of growth regulators on turfgrasses

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dc.contributor.authorLuo, Wang-Juanen
dc.contributor.committeechairSchmidt, Richard E.en
dc.contributor.committeememberBingham, Samuel Wayneen
dc.contributor.committeememberHall, John R.en
dc.contributor.departmentCrop and Soil Environmental Sciencesen
dc.date.accessioned2014-03-14T21:31:56Zen
dc.date.adate2010-03-17en
dc.date.available2014-03-14T21:31:56Zen
dc.date.issued1991-01-05en
dc.date.rdate2010-03-17en
dc.date.sdate2010-03-17en
dc.description.abstractThe effects of propiconazole and seaweed extract seed treatments on the germination of Kentucky bluegrass (<i>Poa pratensis L.</i>) under osmotic and temperature stresses were determined in the laboratory. As polyethylene glycol (PEG) 8000 concentrations was increased from 50 to 250 g/L, percent germination was reduced. Propiconazole at 0, 0.5, 0.9, and 1.9 g a.i./kg of seed did not affect total germination, however, germination was delayed with propiconazole seed treatment. Plumule and radicle lengths of seedlings at the termination of experiment 21 days were inhibited with increasing PEG 8000 concentrations and propiconazole treatments. Germination of seed treated with either propiconazole at 1.9 g a.i./kg of seed or seaweed extract at 13 g of product /kg of seed was determined under a range of temperatures from 15 to 40 C on a thermo gradient table. The optimum temperature for Kentucky bluegrass germination was at 25 C. Germination was decreased at temperature below 25 C and no germination was obtained at temperatures above 35 C. Seed treated with propiconazole or seaweed extract did not stimulate seed germination at the different temperatures.en
dc.description.degreeMaster of Scienceen
dc.format.extentviii, 68 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-03172010-020308en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-03172010-020308/en
dc.identifier.urihttp://hdl.handle.net/10919/41674en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1991.L86.pdfen
dc.relation.isformatofOCLC# 23812438en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1991.L86en
dc.subject.lcshGrowth regulatorsen
dc.subject.lcshTurfgrasses -- Researchen
dc.titleInfluence of seed and foliar applications of growth regulators on turfgrassesen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineCrop and Soil Environmental Sciencesen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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