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Sulfur Requirements of Container-grown Pin Oak and Japanese Maple

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dc.contributor.authorBrowder, Jake Forresten
dc.contributor.committeechairWright, Robert D.en
dc.contributor.committeememberNiemiera, Alexander X.en
dc.contributor.committeememberHarris, James Rogeren
dc.contributor.departmentHorticultureen
dc.date.accessioned2014-03-14T20:48:40Zen
dc.date.adate2004-12-03en
dc.date.available2014-03-14T20:48:40Zen
dc.date.issued2004-11-19en
dc.date.rdate2004-12-03en
dc.date.sdate2004-12-01en
dc.description.abstractThe objectives for this research were to determine: 1) whether sulfated micronutrient addition increased growth of container-grown pin oak (Quercus palustris MuÌ nchh) and Japanese maple (Acer palmatum Thunb.) seedlings by supplying micronutrients, sulfur, or decreasing substrate pH, 2) S requirements of Q. palustris and A. palmatum container-grown in a pine bark (PB) substrate, and 3) if there are any conditions that will affect these S requirements. Container grown Q. palustris and A. palmatum seedlings were grown in PB, amended (or not) with the following treatments: control (no amendment), Micromax (commercial micronutrient fertilizer [sulfate form]), K2SO4, H2SO4, HCl, chelated micronutrients, elemental S, or CaSO4. Dry weights of plants in all treatments supplying S were higher than for plants receiving no S. These data indicate that S, not micronutrient application, was the primary cause of increased growth from the addition of sulfated micronutrients. In other experiments these two species were fertilized with 8 different concentrations of S application (0, 1, 2, 5, 10, 20, 40, or 80 mg·liter-1). Regression analysis revealed dry weights of both species were near maximum at the extrapolated application concentration of 30 mg·liter-1 S, which corresponded to approximately 15 and 7 mg·liter-1 S in substrate solution for oak and maple, respectively. In another set of experiments plants were fertilized with Micromax or FeSO4 with or without lime. In the plus lime treatments (substrate pH 6.1), plant dry weights were higher in Micromax fertilized plants than for FeSO4 fertilized plants. However, in the minus lime treatment (substrate pH 4.5), FeSO4 addition effectively supplied S to plants.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-12012004-134658en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-12012004-134658/en
dc.identifier.urihttp://hdl.handle.net/10919/35893en
dc.publisherVirginia Techen
dc.relation.haspartjake.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectQuercus palustrisen
dc.subjectpine barken
dc.subjectsoillessen
dc.subjectchelateen
dc.subjectMicromax™en
dc.subjectAcer palmatumen
dc.titleSulfur Requirements of Container-grown Pin Oak and Japanese Mapleen
dc.typeThesisen
thesis.degree.disciplineHorticultureen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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