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Filtering by: Academic Affiliation Horticulture Remove constraint Academic Affiliation: Horticulture Advisor Fuchigami, Leslie H. Remove constraint Advisor: Fuchigami, Leslie H.

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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
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
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
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
Physiological and cultural conditions affecting postharvest handling of bare-root nursery plants

Creator:

Englert, John M.

Abstract:

Nursery plants are often harvested, stored, and shipped bare-root for easier and more economical handling. Some species of woody and herbaceous perennials are less tolerant of postharvest handling than others. Desiccation stress during the handling of bare-root plants has been identified as a major problem contributing to poor survival and...

Resource Type:

Masters Thesis
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
The role of ethylene in frost tolerance of Bromus inermis cell suspension cultures

Creator:

Harber, Renee M.

Resource Type:

Dissertation
Relationships between endogenous phenolic compounds of rhododendron tissues and organs and cold hardiness development

Creator:

Chalker-Scott, Linda

Abstract:

The leaching of water soluble phenolic compounds from cold stressed Rhododendron leaves was found to be a reliable indicator of tissue damage. In sublethally stressed leaf tissues, more and novel phenolic compounds appeared and were hypothesized to be precursors of cell wall components such as lignin and suberin. Subsequent radiolabeling...

Resource Type:

Dissertation
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
Water relations, stomatal conductance, and abscisic acid content of container-grown apple (Malus domestica Borkh.) plants in response to sorbitol-induced osmotic stress

Creator:

Guak, Sunghee

Abstract:

Sorbitol-induced osmotic stress (SIOS) to the root was found to be effective in reducing transpirational water loss in plants during water stress. Mechanisms of SIOS in stomatal control were investigated in containerized apples (Malus domestica Borkh. 'Gala'/M26) when leaf water potential (Ψw), osmotic potential (Ψs), turgor potential (Ψp), stomatal conductance...

Resource Type:

Dissertation

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Academic Affiliation

Horticulture[remove]28

Advisor

Fuchigami, Leslie H.[remove]28
Wisniewski, Michael1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1976 to 2008

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Committee Member

Scagel, Carolyn3
Weiser, Conrad3
Linderman, Robert2
Weiser, Bud2
Zaerr, Joe2
more Committee Members »

Creator

Zhen, Liping2
Bi, Guihong1
Brainerd, Kim Ethel1
Chalker Scott, Linda1
Cheng, Lailiang1
more Creators »

Date

Date range begin – Date range end

Current results range from 1976 to 2007

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Decade

2000-20095
1990-199910
1980-19898
1970-19795

Degree Field

Horticulture27
Plant Physiology1

Degree Level

Doctoral17
Master's11

Degree Name

Doctor of Philosophy (Ph.D.)17
Master of Science (M.S.)11

File Format

application/pdf2

Language

English [eng]28

License

All rights reserved5

Non-Academic Affiliation

Oregon State University. Graduate School28

Peer Reviewed

No28

Resource Type

Dissertation17
Masters Thesis11

Rights Statement

Copyright Not Evaluated23
In Copyright5

Subject

Cornus (Plants)3
Dormancy in plants3
Budding (Plant propagation)2
Cornus (Plants) -- Dormancy2
Plants, Effect of nitrogen on2
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