Photosynthate production and partitioning in apple leaves

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dc.contributor.authorElkner, Timothy Edwarden
dc.contributor.committeechairBarden, John A.en
dc.contributor.committeememberMarini, Richard P.en
dc.contributor.committeememberByers, Ross E.en
dc.contributor.committeememberSeiler, John R.en
dc.contributor.committeememberWolf, Dale D.en
dc.contributor.departmentHorticultureen
dc.date.accessioned2014-03-14T20:11:51Zen
dc.date.adate2006-05-11en
dc.date.available2014-03-14T20:11:51Zen
dc.date.issued1990-05-01en
dc.date.rdate2006-05-11en
dc.date.sdate2006-05-11en
dc.description.abstractMature field-grown apple trees were used to gain a better understanding of the influences of light and fruit on leaf physiology. Light effects on net photosynthesis (Pn), specific leaf weight (SLW), leaf N content (Weight/area) (Nw), and leaf N concentration (% dry weight) (Np) of spur leaves from two canopy locations were evaluated on four dates in 1987. Interior leaves had lower Pn, SLW, Nw, and Np than exterior leaves. In 1988 the influence of %available photosynthetic photon flux (PPF) on the same parameters was examined throughout the season. On most measurement dates both Pn and SLW increased quadratically while Nw increased linearly with increasing PPF. In both years positive linear relationships existed between Pn and Nw, SLW and Nw, and Pn and SLW.en
dc.description.degreePh. D.en
dc.format.extentviii, 89 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-05112006-154744en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-05112006-154744/en
dc.identifier.urihttp://hdl.handle.net/10919/27647en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V856_1990.E656.pdfen
dc.relation.isformatofOCLC# 22251967en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V856 1990.E656en
dc.subject.lcshApplesen
dc.subject.lcshLeaves -- Microbiologyen
dc.subject.lcshPhotosynthesisen
dc.titlePhotosynthate production and partitioning in apple leavesen
dc.typeDissertationen
dc.type.dcmitypeTexten
thesis.degree.disciplineHorticultureen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.leveldoctoralen
thesis.degree.namePh. D.en

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