Index Catalog // ScholarsArchive@OSU

Calorimetric study of the respiratory metabolism of peach (Prunus persica L. Batsch.) seeds during stratification and its relationship to seedling growth

Creator:: Moreno-Simunovic, Yerko M.
Resource Type:: Dissertation
Full Text:: Breen, Mike Penner, Mike Burke and my graduate representative Dr. Alvin Mosley. Each of you was

Nitrogen partitioning and remobilization in field-grown apple trees

Creator:: Khemira, Habib
Abstract:: Uptake and cycling of nitrogen (N) in mature trees are not well understood. Fertilizer-N uptake, partitioning, and use-efficiency were studied in standard strain 'Topred Delicious' and spur strain 'Redspur Delicious' mature apple trees {Malus domestica Borck) on 'Malling 7A' (M.7A) rootstocks. The treatments consisted of a ground application in spring,...
Resource Type:: Dissertation
Full Text:: to thank my committee members Drs. Pat Breen, Daniel Arp, and Gary Jolliff for their patience and

Biology and control of Fusarium spp. on Douglas-fir (Pseudotsuga menziesii)

Creator:: Hoefnagels, Mariëlle Henriette, 1965-
Abstract:: Fusarium spp. are among the most important pathogens of Douglas-fir (Pseudotsuga menziesii) seedlings in bareroot nurseries. Currently the most effective disease control method is soil fumigation with methyl bromide. As methyl bromide is phased out, however, other disease management strategies may become more important. We explored two alternative approaches to...
Resource Type:: Dissertation
Full Text:: : Joyce Loper, Peter Bottomley, Randy Molina, and Patrick Breen. I am especially grateful to Joyce Loper

Auxin and cytokinin interaction in tomato (Lycopersicon esculentum Mill.)

Creator:: Coenen, Catharina
Abstract:: The phytohormones auxin and cytokinin control plant development through a complex network of interactions which include synergistic, additive, and opposite effects whose mechanisms are unknown. The auxin-insensitive diageotropica (dgt) mutant provided a tool to dissect the relationship between auxin- and cytokinin-induced responses in tomato. Morphological, physiological, and molecular data support...
Resource Type:: Dissertation
Full Text:: Pat Breen for their interest in my work and my carreer, and for their committment to making time

Evolution and ecology of the Ceanothus-Frankia symbiosis

Creator:: Jeong, Soon-Chun
Abstract:: The evolutionary relationship between Frankia and actinorhizal plants was evaluated by reconstructing molecular phylogenetic trees from nifH, 16S rDNA, and rbcL nucleotide sequences. Subgroupings in Frankia phylogenetic trees reconstructed from nifH and from 16S rDNA sequences were consistent in terms of plant origins of Frankia strains. Although the branching order...
Resource Type:: Dissertation
Full Text:: would like to thank my committee Dr. Daniel Arp, Dr. Patrick Breen, Dr. Mark Daeschel, and Dr. Jeffrey

Phylogeny, cospeciation, and host switching in the evolution of the ascomycete genus Rhabdocline on Pseudotsuga and Larix (Pinaceae)

Creator:: Gernandt, David S.
Abstract:: The relative role of cospeciation and host switching in the phylogenetic history of ascomycete foliar symbionts is addressed in the orders Leotiales and Rhytismatales, fungi associated predominantly with Pinaceae (Coniferales). Emphasis is placed on comparing the evolution of the sister genera Pseudotsuga and Larix (Pinaceae) with that of the pathogenic...
Resource Type:: Dissertation
Full Text:: committee, Aaron Liston, Joseph Spatafora, Steven Strauss, and Patrick Breen. It was Aaron Liston who

The free radical scavenging system in overcoming phytotoxicity and breaking dormancy

Creator:: Zhen, Liping
Abstract:: Hydrogen cyanamide (CY) induced earlier budbreak, more uniform and a higher percentage of budbreak in resting poplar (Populus alba x P. gradidentata, NC 5339) plants. However, it was phytotoxic to poplar when applied at 0.5 M or higher concentrations. Percent budbreak increased and percent dieback decreased when poplar plants were...
Resource Type:: Dissertation
Full Text:: extended to my committee members, Drs. Conrad Weiser, Pat Breen, Majid Seddigh and Ronald Wrolstad for

Ripening pear flavor volatiles : identification, biosynthesis and sensory perception

Creator:: Suwanagul, Anawat
Abstract:: Volatile compounds of eight pear varieties were isolated and identified by GC/MS. A total of 112 components were identified from headspace of intact fruits, including 47 compounds reported for the first time in pear. The volatile profiles of these pear varieties were characterized by esters, alcohols, hydrocarbons, aldehydes and ketones....
Resource Type:: Dissertation
Full Text:: . Pat Breen for serving as my committee members. Thanks are also due to Dr. Mina McDaniel for

Phenolic acids and ethylene biosynthesis in pears during ripening and storage

Creator:: Meadows, Sylvia Elise
Resource Type:: Dissertation
Full Text:: advice and technical assistance with this project. To my committee members. Dr. Patrick Breen, Dr

Influence of photosynthesis and carbohydrates on adventitious root formation by leafy cuttings

Creator:: Davis, Tim D.
Abstract:: Many investigators have suggested that current photosynthate supply can limit adventitious root formation on leafy cuttings. Accordingly, studies were undertaken to determine the effects of altering photosynthesis and carbohydrate levels on adventitious root formation by leafy cuttings of a number of different species. Pea cuttings rooted at high CO₂ (1800...
Resource Type:: Dissertation
Full Text:: my graduate committee members. Dr. Patrick J. Breen, Dr. Donald Copes, Dr. David Hannaway, and Dr

ScholarsArchive@OSU

Calorimetric study of the respiratory metabolism of peach (Prunus persica L. Batsch.) seeds during stratification and its relationship to seedling growth

Nitrogen partitioning and remobilization in field-grown apple trees

Biology and control of Fusarium spp. on Douglas-fir (Pseudotsuga menziesii)

Auxin and cytokinin interaction in tomato (Lycopersicon esculentum Mill.)

Evolution and ecology of the Ceanothus-Frankia symbiosis

Phylogeny, cospeciation, and host switching in the evolution of the ascomycete genus Rhabdocline on Pseudotsuga and Larix (Pinaceae)

The free radical scavenging system in overcoming phytotoxicity and breaking dormancy

Ripening pear flavor volatiles : identification, biosynthesis and sensory perception

Phenolic acids and ethylene biosynthesis in pears during ripening and storage

Influence of photosynthesis and carbohydrates on adventitious root formation by leafy cuttings

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