Index Catalog // ScholarsArchive@OSU

Hydrogen cyanamide on triphenyltetrazolium chloride reduction, sulfhydryl group binding, and catalase activity in bromegrass (Bromus inermis Leyss) cells

Creator:: Zhen, Liping
Abstract:: Hydrogen cyanamide (CY) has been used to break rest in temperate crops, but levels used to overcome rest are sometimes toxic to plants. The rest breaking effect of CY is thought to involve peroxide metabolism. Inhibition of catalase by CY has been proposed as a mechanism for overcoming dormancy in...
Resource Type:: Masters Thesis
Full Text:: . Leslie H. Fuchigami, my major professor, and Dr. Tony H.H. Chen, committee member, for their

Relationship of "near-lethal" stress on dormancy, cold hardiness and recovery of Red-Osier dogwood

Creator:: Shirazi, Abbas M.
Abstract:: The effects of overcoming rest by application of "near-lethal" (NL) stress treatments on the subsequent development of cold hardiness of stem tissues of red-osier dogwood, Comus sericea L., at different rest stages under three post-environments (0°, 23°, and natural condition) were studied. NL-heat stress (47°C for one hour) treatment during...
Resource Type:: Dissertation
Full Text:: committee, Drs. Tony Chen, Bill Gerwick, Bud Weiser, Paul Doecsher and Brayan Croft for their valuable

The relationship of electrical impedance to vegetative maturity and dormancy in red-osier dogwood

Creator:: Parmelee, Kathleen Ann
Abstract:: Techniques to measure vegetative maturity and dormancy of deciduous nursery stock were investigated in red-osier dogwood. Previous methods which were based on: survival or tip dieback, change in level of ethylene production, xylem water potential, and alteration of square wave traces traces, provided no better indication of dormancy than did...
Resource Type:: Masters Thesis
Full Text:: Fuchigami (1978) and others, (Wilner, 1964) noted that changes in electrical impedance (resistance

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:: GSH and ascorbate levels are associated with plant injury by desiccation stress (Chen 1991). These

Characterization of harvestable maturity development in roses

Creator:: Rebhuhn, Mark Keith
Resource Type:: Masters Thesis
Full Text:: rose hardiness. Proc. Amer. Soc. Hort. Sci. 61:573-580. 11. Chen, P.M., P.H. Li, and M.J. Burke

Strategies for machine harvesting of mature coffee (Coffea arabica L.) fruits

Creator:: Tongumpai, Peeradet
Abstract:: Greenhouse and field grown coffee plants were used to study the synchronization of flowering and fruiting. The purpose of these studies was to develop methods of improving the selective harvesting of mature coffee fruits by machine. The studies were divided into 4 parts: 1) Synchronization of flowering, 2) Synchronization of...
Resource Type:: Dissertation
Full Text:: , 1964) . The duration of this "pin-head" stage can vary with the climate. Opile (1979) called this a

Physiology of flowering in Coffea arabica L. : role of growth regulators and water relations

Creator:: Schuch, Ursula K.
Abstract:: Coffee trees growing in the Kona district of Hawaii were treated with different concentrations of either BA, GA3, or Promalin, and pruned at the time of flowering. No significant differences in the flowering and fruit ripening pattern were found. High concentrations (100 mg/1) of growth regulators decreased fruit fresh weight....
Resource Type:: Dissertation
Full Text:: like to thank Tony Chen who was always available for helpful discussions and advice. Thanks to my

The role of glutathione in the development and release of rest on 'Redhaven' peaches

Creator:: Siller-Cepeda, Jorge H.
Abstract:: A rapid and sensitive HPLC method for quantifying both the reduced and oxidized forms of glutathione simultaneously in woody plant tissues was developed. This method was applicable to a variety of woody plant species and different tissues. Total glutathione content in the bark tissue of seven of the woody plant...
Resource Type:: Dissertation
Full Text:: through his creative enthusiasm, understanding, and judgment. I am indebted to Dr. Tony Chen, for his

Modeling of dormancy and cold hardiness in red-osier dogwood (Cornus sericea L.)

Creator:: Kobayashi, Kent
Abstract:: Effects of temperature and growth stage on vegetative bud development and stem hardiness of red-osier dogwood during winter dormancy were investigated. Results were related to a degree growth stage model and were used to develop models to predict growth stages, to quantify development, and to predict hardiness. Maximum rest development...
Resource Type:: Dissertation
Full Text:: cessation. Chen and Li (35), however, observed no growth cessation during the induction of frost

Hardiness-maturity relations in red-osier dogwood (Cornus stolonifera Michx.)

Creator:: Nissila, Peter Carl
Abstract:: Red-osier dogwood plants were grown outdoors in a lathhouse and under two temperature regimes in growth chambers to determine the time of vegetative maturity, the transition between summer and winter dormancy. Xylem water potential (XWP), tissue moisture content, ethylene and ethane production, and electrical impedance were used to try to...
Resource Type:: Masters Thesis
Full Text:: some trees and shrubs. Proc. Amer. Soc. Hort. Sci. 51:659-667. 19. Chen, P., P. H. Li, and C

ScholarsArchive@OSU

Hydrogen cyanamide on triphenyltetrazolium chloride reduction, sulfhydryl group binding, and catalase activity in bromegrass (Bromus inermis Leyss) cells

Relationship of "near-lethal" stress on dormancy, cold hardiness and recovery of Red-Osier dogwood

The relationship of electrical impedance to vegetative maturity and dormancy in red-osier dogwood

The free radical scavenging system in overcoming phytotoxicity and breaking dormancy

Characterization of harvestable maturity development in roses

Strategies for machine harvesting of mature coffee (Coffea arabica L.) fruits

Physiology of flowering in Coffea arabica L. : role of growth regulators and water relations

The role of glutathione in the development and release of rest on 'Redhaven' peaches

Modeling of dormancy and cold hardiness in red-osier dogwood (Cornus sericea L.)

Hardiness-maturity relations in red-osier dogwood (Cornus stolonifera Michx.)

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