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Filtering by: Committee Member Righetti, Timothy L. Remove constraint Committee Member: Righetti, Timothy L.

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Germination and seedling establishment of spiny hopsage (Grayia spinosa [Hook.] Moq.)

Creator:

Shaw, Nancy L. (Nancy Lynn), 1947-

Resource Type:

Dissertation
Fruit color development in red pears

Creator:

Dussi Dehais, Maria Claudi

Abstract:

A fruit color descriptive study was conducted on 'Max' and 'Sensation' Red Bartlett, 'Columbia' and 'Gebhard' Red Anjou, 'Rogue Red', 'Rosired', 'Red Clapp' and 'Cascade' red pear varieties. A parallel comparative study was done to test differences between related red strains. 'Max' was compared with 'Sensation' in three different growing...

Resource Type:

Masters Thesis
Soil temperature suppression on growth and yield of potato (Solanum tuberosum L.) in warm climates of Sri Lanka

Creator:

Tharmarajah, S. K.

Abstract:

Potato (Solanum tuberosum L.) is one of the most productive and nutritious food crops. Due to its adaptability to cool climates, production in Sri Lanka has been restricted to erosion-prone highlands. Vast potential exists for expansion of potato cultivation in the lowlands while production areas in the highlands are limited...

Resource Type:

Masters Thesis
Relationships of ammonium and nitrate status with inflorescence necrosis in 'Pinot noir' grapevines

Creator:

Gu, Sanliang

Abstract:

Inflorescence necrosis (IN) is a recently described disorder in grapes characterized by partial or complete deterioration of the pedicel and rachis near bloom. Elevated levels of ammonium in the rachis are associated with the incidence of IN and hypothesized as the cause of the disorder. An incubation system with single-node...

Resource Type:

Dissertation
Enhancement of the weed competitive ability of lowland rice (Oryza sativa L.) cultivars

Creator:

Ranasinghe, Lakshman L.

Abstract:

Most of the presently grown cultivars of rice (Oryza sativa L.) have poor competitive ability against weeds if compared with traditional cultivars. Therefore, effective weed control is an important but often costly and difficult management practice in rice crop production. If weed competitive ability of rice cultivars could be improved...

Resource Type:

Dissertation
Spectroscopy of biophysical, physiological and pathological responses of plant germplasm

Creator:

Li, Ning

Abstract:

Imaging spectra of plant tissues yield considerable potential and useful information for basic studies and agriculture practice. We constructed an imaging spectrophotometer with spectral range from 400 nm to 1100 nm, which was used to study various physiological events of plant germplasm: location of bundle sheath and mesophyll cells in...

Resource Type:

Dissertation
Relationship of boron to reproduction in hazelnut (Corylus avellana L.)

Creator:

Shrestha, Gyan Kumar

Abstract:

Boron sprays produced fruit set increases in 'Barcelona' hazelnut orchards in 1984 and in 1985. The absolute fruit set was correlated with leaf B content but not with nut B. With relative fruit set (RFS), B content of nuts in May (r = 0.63**) was more strongly related to set...

Resource Type:

Dissertation
Influence of vine vigor and shading in Pinot noir (Vitis vinifera L.) on the concentration and composition of phenolic compounds in grapes and wine

Creator:

Cortell, Jessica M.

Abstract:

In 2003 and 2004 vigor zones were delineated in two commercial vineyard sites based on vine growth variation to assess fruit and wine phenolic chemistry. In 2004, the effects of shading on the accumulation of phenolic compounds were also investigated. Model extractions were done from the shading experiment and the...

Resource Type:

Dissertation
The effect of pre-plant incorporation with sawdust, sawdust mulch, and nitrogen fertilizer rate on soil properties and nitrogen uptake and growth of 'Elliott' highbush blueberry

Creator:

White, Linda D. (Linda Dee)

Abstract:

The effect of incorporated sawdust, sawdust mulch and nitrogen (N) fertilizer rate on soil nutrients and other properties, N uptake, and plant growth in a young blueberry planting on a silt loam soil type was studied in 2004 and 2005. ‘Elliott’ highbush blueberry plants were established on raised beds that...

Resource Type:

Masters Thesis

Limit your search

Academic Affiliation

Horticulture7
Crop and Soil Science1
Food Science and Technology1

Advisor

Crabtree, Garvin D.1
Daley, Larry S.1
Grabe, Don F.1
James, Kennedy A.1
Lombard, Porter B.1
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1986 to 2007

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Committee Member

Righetti, Timothy L.[remove]9
Mosley, Alvin R.2
Appleby, Arnold P.1
Azarenko, Anita1
Bond, Barbara1
more Committee Members »

Creator

Cortell, Jessica M.1
Dussi Dehais, Maria Claudi1
Gu, Sanliang1
Li, Ning1
Ranasinghe, Lakshman L.1
more Creators »

Date

Date range begin – Date range end

Current results range from 1986 to 2006

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Decade

2000-20092
1990-19996
1980-19891

Degree Field

Horticulture7
Crop Science1
Food Science and Technology1

Degree Level

Doctoral6
Master's3

Degree Name

Doctor of Philosophy (Ph.D.)6
Master of Science (M.S.)3

File Format

application/pdf2

Language

English [eng]9

License

All rights reserved1

Non-Academic Affiliation

Oregon State University. Graduate School9

Peer Reviewed

No9

Resource Type

Dissertation6
Masters Thesis3

Rights Statement

Copyright Not Evaluated7
In Copyright2

Subject

Ammonium compounds1
Arid regions plants -- West (U.S.)1
Blueberries -- Fertilizers1
Blueberries -- Growth1
Blueberries -- Soils1
more Subjects »

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