Index Catalog // ScholarsArchive@OSU

Disease resistance and spring phenological characteristics of Ribes L. germplasm

Creator:: Dalton, Daniel T.
Abstract:: North American cultivation of Ribes L. may expand as small fruit growers seek species to diversify horticultural crops. The Ribes industry was suppressed for decades out of fear that cultivated black currants and gooseberries would intensify the fungal disease white pine blister rust (WPBR) on five-needle pine (Pinus L. section...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Daniel T

A closed root environment for plant production

Creator:: Blackburn, Bryan (Bryan Keith), 1955-
Abstract:: Thesis research focused on: 1) Water and fertilizer gradients within the plant root zone, and effects of chemical and physical gradients on Trichoderma harzianum populations. 2) Regulation of root growth physically with permeable fabric containers and chemically with copper compounds. 3) Effects of copper coatings for fabric containers on Glomus...
Resource Type:: Masters Thesis
Full Text:: adequate to meet the demand of plant transpiration. Populations of T. harzianum increased with increasing

Microsatellite Marker Development, Characterization and Mapping in European Hazelnut (Corylus avellana L.), and Investigation of Novel Sources of Eastern Filbert Blight Resistance in Corylus

Creator:: Bhattarai, Gehendra
Abstract:: European hazelnut, an important nut crop in Oregon agriculture, is threatened by the fungal disease eastern filbert blight (EFB) caused by Anisogramma anomala (Peck) E. Müller. The hazelnut breeding program at OSU has been working on development of EFB-resistant cultivars. DNA markers allow mapping of traits using segregating progenies and...
Resource Type:: Masters Thesis
Full Text:: . Rowley and T. Mockler, pers. comm.). It now serves as the reference genome sequence for hazelnut

Phenotyping diverse strawberry (Fragaria spp.) germplasm for aid in marker- assisted breeding, and marker-trait association for red stele (Phytophthora fragariae) resistance marker Rpf1

Creator:: Mathey, Megan M.
Abstract:: Strawberry is one of four crops included in the USDA-NIFA Specialty Crop Research Initiative-funded RosBREED project along with apple, peach, and cherry. Phenotyping strawberry for specific horticultural and commercial traits is important to identify associations with genotypic marker(s). This process is the first step in translating genomic knowledge into enhanced...
Resource Type:: Masters Thesis
Full Text:: . Eric van de Weg provided the Rpf1 SSR marker for the validation study and his immense expertise in

The influence of parents, mating systems, and planting date on the transfer of gynoecious flowering to Chinese cucumbers (Cucumis sativus L.)

Creator:: Zhang, Qi (Qi Qun), 1956-
Abstract:: Gynoecious inbred lines of cucumbers (Cucumis sativus L.) with high (HF), medium (MF) and low (LF) percentage of gynoecious plants were used in crosses with monoecious Chinese cultivars with high (HN), medium (MN) and low (LN) percentage of nodes with female flowers. F₁ and F₂ progenies from these parents crossed...
Resource Type:: Masters Thesis
Full Text:: April 11, 1989 Commencement June, 1989 APPROVED: 't,!' i'~ 'i—^ ~ • Professor of Horticulture

Rootstock effect on the Vitis vinifera cultivars Chardonnay, Merlot, Pinot gris and Pinot noir during establishment

Creator:: McAuley, Michael D.
Abstract:: Winegrape growing is extremely dependent upon site-specific variables. To better understand the effect of rootstock-scion interaction in a cool climate region, an experimental vineyard was planted in 1997 at the Oregon State University Woodhall III property in the southern Willamette Valley. The first experiment consists of Pinot noir (clone FPMS...
Resource Type:: Masters Thesis
Full Text:: Horticulture Interm Head of Pepartment of klojticulture "T\' y **■"- . - — - — ^p? Pean of Graduate S

The occurrence in pears of metabolic gases other than carbon dioxide

Creator:: Hansen, Elmer, 1903-
Resource Type:: Masters Thesis
Full Text:: for aaslstance and co- operation awriag tl»o ootap^ of the 1»* v©«tlsa.tion,t mid to Sr« *?♦ st

Nutrient management of blackberry cultivars grown in organic production systems

Creator:: Fernandez-Salvador, Javier A.
Abstract:: The impact of fertilizer source and cultivar on growth, fruit quality, and yield was evaluated in organic blackberry (Rubus L. subgenus Rubus Watson) from 2011-2013 in three studies. In all studies, plants were drip irrigated, and weeds were managed using a woven polypropylene, permeable landscape fabric (weed mat). At a...
Resource Type:: Masters Thesis
Full Text:: collaborator site: Tom Avinelis, Eric Pond and family, Emily Clifton, TJ Hafner, Don Chemo and his entire

Genome sizing and fire blight resistance screening in Cotoneaster

Creator:: Rothleutner, Joseph J.
Abstract:: Cotoneaster is an ornamental shrub valued for showy flowers, berries and architecture as well as the ability tolerate adverse conditions under which other taxa fail. Cotoneaster is a highly diverse genus of over 400 species, of which few are available in the US nursery trade. Some species commercially available have...
Resource Type:: Masters Thesis
Full Text:: Fletcher, 1965; Davis and Peterson, 1976; Jorgensen and Jensen, 1978; Zeller, 1979). A cumulative

Life-Cycle and Playability Analysis of Natural Turfgrass and Synthetic Infill Playing Surfaces Under Field Conditions

Creator:: Daviscourt Brian L.
Abstract:: The perception of a long-term cost advantage of synthetic infill turf systems relative to natural grass systems has contributed to a rise in their popularity in the USA. However, few comprehensive cost assessments of natural grass and synthetic infill systems exist. There are also no studies looking at interactions between...
Resource Type:: Masters Thesis
Full Text:: for synthetic surfaces DeBels, Brad T.; Griffith, Shane E.; Kreuser, William C.; Melby, Eric S

The effects of plant population and nitrogen on sweet corn yields

Creator:: Moss, Joe Dick
Abstract:: The response of sweet corn (Zea mays L. var. rugosa cultivar Jubilee) to 12 populations and four nitrogen rates was studied in a field experiment. Populations ranged from 43, 904 to 329,800 plants/ha with nitrogen levels ranging from 0 to 224 Kg/ha. A systematic spacing design was used. Plant height,...
Resource Type:: Masters Thesis
Full Text:: . Peterson and Ballard (19 53) found that by increasing moisture and nitrogen, sweet corn development was

Farmer perspectives on success and challenges : a study of small farms in Oregon's Willamette Valley

Creator:: Pool, Kristin E.
Abstract:: This thesis investigates the success of and challenges facing small farmers operating direct marketing farm businesses in Oregon's Willamette Valley. This qualitative study utilizes participatory methods to gain the unique perspectives of small farmers regarding their success and challenges. Small farms are important players in local food systems and ensuring...
Resource Type:: Masters Thesis
Full Text:: Chapter 1: Introduction [T]he standards required to measure the qualities of farming are not just

[8-¹⁴C]zeatin metabolism in Phaseolus embryos

Creator:: Lee, Yun-hwa
Resource Type:: Masters Thesis
Full Text:: Cytokinins occur naturally as components of specific t-RNA spe- cies, and as free forms in plant cells. At

The chemical curing of Oregon Danvers onions

Creator:: Bubl, Charles Edward
Abstract:: Pre-harvest foliar desiccation of Yellow Globe Danvers onions was investigated as a means to improve harvest procedure and to reduce storage losses. Foliar desiccation tended to increase storage disease and sprouting incidence versus the untreated controls. Paraquat approximately doubled storage disease in both years. Stoddard solvent and ethephon increased disease...
Resource Type:: Masters Thesis
Full Text:: 1979 APPROVED: ;sista»c Professor oi Assista»t Professor of Horticulture in charge of major

Study of Arabidopsis thaliana seed development : occurrence of germinability

Creator:: Hewitt, Jessica
Abstract:: Seed germination sensu stricto is defined as the physiological events before the radicle tip ruptures the covering tissues. The ability of the radicle to elongate (or germination potential) is observed in developing embryos prior to completion of seed maturation. When embryos at early developmental stages, such as globular, heart, torpedo...
Resource Type:: Masters Thesis
Full Text:: Homrichhausen, Jing Sun, Kyung Hong, Tammy Chan, Jennifer Coppersmith and most importantly Po-Pu (Eric) Liu. I

Water use of cool season grasses and their effect on grapevine (Vitis vinifera) growth and development

Creator:: Doty, Jean A.
Abstract:: The use of grass cover crops is a recommended practice in nonirrigated vineyards in the Willamette Valley, Oregon. Two studies were initiated to investigate the competitive and noncompetitive effects of grass cover crops on the growth and development of Pinot noir grapevines. Two greenhouse pot culture experiments were performed to...
Resource Type:: Masters Thesis
Full Text:: tolerance (Peterson, 1985). Good performance requires 460 mm or more of annual irrigation or rainfall

Field and greenhouse studies with Acalymma and Diabrotica : protection of cucurbits with a kaolin-based particle film : feeding damage to cucumbers with and without cucurbitacin

Creator:: Reich, Joel A.
Abstract:: Research was conducted in the field and greenhouse to determine if a kaolinite-based particle film, Surround®, would reduce colonization and early season feeding damage in cucurbits by the Western Striped Cucumber Beetle, Acalymma trivitattum (Mannerheim). Greenhouse studies were designed to determine effect of particle film on cucumber dry weight production...
Resource Type:: Masters Thesis
Full Text:: . The scale used is similar to those used by Pena et al. (1984), Peterson et al. (1989), White (1990

The effects of planting date, nitrogen and boron application on mineral element concentration, yield, dry weight and fresh weight of sweet corn

Creator:: Sisson, Jonathan Anthony
Abstract:: The effects of planting date on mineral element concentration in sweet corn (Zea mays L. cv. Jubilee) at six developmental stages and on yield were investigated. Planting dates were chosen to correspond to early, mid-season, and late commercial plantings. Two nitrogen rates were applied since nitrogen is more often limiting...
Resource Type:: Masters Thesis
Full Text:: 12 corn plants. Peterson and MacGregor (48) found that banding was most effective, then spraying

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
Full Text:: approved:. t Ray D. William Potato {Solanum tuberosum L.) is one of the most productive and nutritious

Effect of nitrogen rates, row spacings and population densities on yield and ear characteristics of sweet corn

Creator:: Yassen, Abdulameir Ali
Abstract:: The response of sweet corn Zea mays L. var. rugosa (cultivar 'Jubilee') to row spacing, nitrogen and population density at two planting dates was studied in a field experiment at the OSU Vegetable Research Farm in 1984. Variables included two row spacings, 75 cm and 90 cm, three nitrogen rates,...
Resource Type:: Masters Thesis
Full Text:: (1963), Mack (1972), Malzer et al. (1978), Moss and Mack (1977), Peterson and Ballard (1953), and

Effect of boron on seven vegetable crops grown on two soil types

Creator:: Oneida, Kelly Ann
Abstract:: Boron deficiency or toxicity can reduce yield and quality of vegetables. Seven vegetable crops, varying from low to high boron requirements were grown in field plots at Corvallis in 1987. Leaf-B and yield components of green bean, cucumber, potato, carrot, tomato, broccoli and table beet were examined under conditions of...
Resource Type:: Masters Thesis
Full Text:: rate (Mengel 1982). Halbrooks, Peterson, and Kozlowski (1986) observed that the uptake of B by

Nutrient Profile and Nursery Feeding Damage of Halyomorpha halys (Hempitera: Pentatomidae)

Creator:: Skillman, Victoria P.
Abstract:: Halyomorpha halys Stål, brown marmorated stink bug or BMSB, is now present in 43 US states. A native of eastern Asia, this pest can feed on ~200 different plant species damaging bark, leaves, buds, stems, and fruits. Many of these plant species include wild plants, ornamentals, and agricultural crops. BMSB...
Resource Type:: Masters Thesis
Full Text:: , Amanda Lake, Eric McDougal, and Anne Snell. They helped me collect the thousands of stink bugs over

The inheritance of parthenocarpy in tomato (Lycopersicon esculentum)

Creator:: Kean, Deborah
Abstract:: A parthenocarpic breeding line, Oregon T5, from Oregon State University, was crossed with several commercial cultivars. Progenies were studied for 2 years as both direct-seeded plants and transplants in the field at Corvallis, Oregon to determine the inheritance of parthenocarpy in Oregon T5. Both quantitative and qualitative measurements of parthenocarpy...
Resource Type:: Masters Thesis
Full Text:: conflicting results. Pike and Peterson (25) and Juldasheva (12) found it to be governed by a single gene

Effects of Diet and Humidity on Drosophila suzukii Flight Performance

Creator:: Wong, Jessica S.
Abstract:: Drosophila suzukii is a global and economically significant pest of berries and other soft fruits. This insect can survive and reproduce under a wide variety of environmental conditions and with a substantial number of cultivated and wild hosts. Management of D. suzukii is commonly done with chemical control strategies. However,...
Resource Type:: Masters Thesis
Full Text:: , Collen Corrigan, Michael Flores, Kathleen Knight, Lauren Komnenus, Eric McDougal, Hanna McIntosh

Factors affecting storage of Yellow Globe Danvers onion : abscisic acid during maturation and storage and phenolic substances inhibitory to Botrytis allii and Botrytis cinerea

Creator:: Boonyakiat, Danai
Abstract:: Free abscisic acid (ABA) in Yellow Globe Danvers onion tissues was determined during maturation and storage. The amount of ABA in leaf tissue reached a maximum (1.81 ng/gm dry weight) at 40% top fall. Neck tissue ABA reached a maximum (0.33 ng/gm dry weight) at 60-70% top fall. ABA of...
Resource Type:: Masters Thesis
Full Text:: , 64). Aung and Peterson (7) have shown that both dormant and sprouting bulbs contain free

Cover crop effects on root rot of sweet corn and soil properties

Creator:: Miyazoe, Mikio
Abstract:: Root rot of sweet corn in western Oregon and Washington is a significant disease that can reduce yield of intolerant cultivars of processed sweet corn by fifty percent. Root rot is caused by a complex of soilborne organisms, including Drechslera sp., Phoma terrestris, and Pythium arrhenomanes. Processors have adopted tolerant...
Resource Type:: Masters Thesis

Exploring the biology and monitoring techniques of two economically impactful Chrysobothris species in Oregon hazelnuts

Creator:: Rudolph, Erica
Abstract:: Chrysobothris mali Horn and C. femorata Olivier (Coleoptera : Buprestidae) are two flatheaded wood boring beetle species that have become economically impactful pests in North American high value tree cropping systems. Both species are native to North America, with C. femorata occurring across the continent (Wellso and Manley 2007), whereas...
Resource Type:: Masters Thesis
Full Text:: . California Academy of Science (CASC); M. T. James Museum (MTJM); Oregon Department of Agriculture (ODA

Suitability of diverse composts as soil amendments for highbush blueberry (Vaccinium corymbosum L.)

Creator:: Costello, Ryan C.
Abstract:: Highbush blueberry (Vaccinium corymbosum L.) is adapted to soils with high organic matter and acidic pH. Composts provide organic matter and nutrients for growing blueberry in mineral soils, but many composts are high in pH and soluble salts. Acidification with elemental sulfur (S°) can remedy high pH, but the process...
Resource Type:: Masters Thesis
Full Text:: (Gough, 1980; Spiers, 1986). Sawdust incorporation has been found to increase (Peterson et al., 1988

Annual bluegrass (Poa annua L.) control in turf with ethofumesate

Creator:: Maggard, Carol J.
Resource Type:: Masters Thesis
Full Text:: Professor of Horticulture in charge of major Head of deK^B^ment of Horticulture T ' - *\ Z. ■ ^ " ^ l

Effects of nitrogen source, rate and a nitrification inhibitor on soil nitrogen status and mineral composition of strawberry

Creator:: Marion, Carol I.
Abstract:: Three rates of urea, urea-DCD, and NH₄N0₃ were soil applied in April and August 1986 to strawberry selection OR-US 4930 and cultivar 'Sumas' to determine effects of the nitrification inhibitor dicyandiamide (DCD) and nitrogen source and rate on soil NH₄ and N0₃ levels, fruit yield and quality, and mineral composition...
Resource Type:: Masters Thesis
Full Text:: Kg/ha N T 16.8 Kg/ha N O 33.6 Kg/ha N • 67.2 Kg/ha N 0 50 100 150 200 250 300 Days

The effect of four composts on the establishment of vesicular-arbuscular mycorrhizae in soilless media

Creator:: Miller, Michelle L., 1956-
Resource Type:: Masters Thesis
Full Text:: , B., L. Graham, and T. Donovan. 1982. Long term effects of manure on soil nitrogen, phophorus

The inheritance of pod detachment force in green beans (Phaseolus vulgaris L.)

Creator:: McCluskey, Rebecca L.
Abstract:: The easy picking characteristic, expressed as low pod detachment force (PDF), offers a way to decrease pod damage in bush green beans mechanically harvested for processing and fresh market, and makes hand picking easier and faster. This study was undertaken to examine inheritance in a cross of two green bean...
Resource Type:: Masters Thesis
Full Text:: populations were pooled for the Fi, F2, and backcross generations after the Waller-Duncan mean separation t

Development, detection and elimination of Verticillium dahliae in mint shoot cultures and effects of bacterial cultures and bacterization on the growth and disease development

Creator:: Wang, Nan
Abstract:: Roots of greenhouse-grown peppermint (Mentha piperita L.) and spearmint (Mentha spicata L.) plants and in vitro-grown shoot cultures were inoculated with Verticillium dahliae conidial suspensions to study symptom development, detection, and elimination of the V. dahliae. There were significant differences in the symptom expression of control and infected shoot cultures...
Resource Type:: Masters Thesis
Full Text:: . Dissertation, Oregon State University, Corvallis, OR. Hodgson, T., W.H. Peterson, and A.J. Riker. 1949. The

Degradation kinetics of taxol using mass spectroscopy

Creator:: Zhang, Jun
Abstract:: Paclitaxel is a very important anticancer drug commonly called Taxol®. We know from previous work (Hoffman, et al., 1998) that Taxol exists in filbert, Corylus avellana L. material. Quantification of Taxol in filbert plant material is painstaking and hitherto was accomplished by rapidly processing single batches in a complicated procedure...
Resource Type:: Masters Thesis
Full Text:: (Zubrod, et al., 1966; Schepartz, 1976; Suffness, 1989). The fractionation studies of T

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

Spatiotemporal Phytohormone Distributions in Developing Pinot Noir Berries and the Effects of Two Viticulture Practices Thereon

Creator:: Schmidt, Joseph A.
Abstract:: In recent years, many studies have focused on the molecular and biochemical mechanisms regulating the development of wine grapes. The course of grape berry development is directed by genetic design and is mediated by phytohormones, which regulate grape berry growth and development by orchestrating a complex network of interacting genes,...
Resource Type:: Masters Thesis

Nitrogen use and management in red raspberry

Creator:: Rempel, Hannah Gascho
Abstract:: The effects of ¹⁵N-labeled fertilizer applied to mature summer-bearing red raspberry (Rubus idaeus L.) plants were measured over two years. Four nitrogen (N) treatments were applied singularly at 0, 40, or 80 kg·ha⁻¹ of N in early spring (budbreak), or split with 40 kg·ha⁻¹ of N (unlabeled) applied at budbreak...
Resource Type:: Masters Thesis
Full Text:: idaeus L.) producers in the world. In 2002, 3.9 million t of raspberries from 4860 ha were harvested in

Effects of boron rates and differential irrigation on bush green beans and cauliflower

Creator:: Grealish, William J.
Abstract:: Five boron rates and seven water levels were applied to bush green beans (Phaseolus vulqaris cv Oregon 91G) and to cauliflower (Brassica olereacea var. botrytis, cultivar "Snowball Y") in 1989 and 1990 to evaluate their effects on total yield of both crops and on outer quality, head hollowness and internal...
Resource Type:: Masters Thesis
Full Text:: Science Completed November 25, 1991 Commencement June 1992 APPROVED 7^ Professor —7—T of

Influence of cover crop residue management on soil moisture, vine growth, and productivity in a pre-production vineyard in the Willamette Valley

Creator:: Curtis, Morgan A.
Abstract:: The use of cover crops in young vineyards is not widely accepted in the Pacific Northwest due to concerns of water and nutrient competition between the cover crop and vines. The last 2 years of a 4-year study started in 2009 are reported here. The study evaluated the use of...
Resource Type:: Masters Thesis
Full Text:: guidance and advice all along the way and her ever present kindness. I would like to thank Karen Peterson

Characteristics of ice nucleation in potato leaves

Creator:: Johnson, Lori K.
Abstract:: The innate ability of potato leaf tissue to initiate freezing was studied. Two potato species, the non-hardy cultivated potato Solanum tuberosum L. cv. Russet Burbank, and Solanum acaule Bitt. a hardy species from South America, were studied. Two treatments, low (cold) and high (warm) temperatures were included to study the...
Resource Type:: Masters Thesis
Full Text:: Kushad, and Eric Hanson for their understanding and support. Thanks to Jim Wong for his excellent

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
Full Text:: evaluated. Harvest 30 min I Processing 1-4 hrs T Storage 2-6 months (heeled-in to sawdust and

Nursery container weeds response to modification of substrate pH, substrate particle size and applied nitrogen form

Creator:: Wada, Sugae
Abstract:: Experiments were conducted to determine the influence of cultural management practices on weed growth in nursery containers. Experiments 1 and 2 evaluated the effects of dolomitic lime rate and application method on substrate pH, creeping woodsorrel (Oxalis corniculata L.) establishment in containers, and growth of azalea (Rhododendron ‘Rosebud’) and pieris...
Resource Type:: Masters Thesis

Low Maintenance Strategies and Challenges within Oregon School Landscapes

Creator:: Gould, Micah A.
Abstract:: Ornamental landscapes require considerable amounts of inputs, including but not limited to irrigation, mowing or pruning, fertilization, and pest management. However, school systems have limited budgets, which reduce their access to resources and labor hours. Therefore, the objective of this project is to identify ground covers that can compete with...
Resource Type:: Masters Thesis

Influence of canopy orientation on fruiting of 'Ànjou' pears and postharvest urea spray on ovule longevity and fruit set of 'C̀omice' pears

Creator:: Khemira, Habib
Abstract:: The effect of canopy orientation on fruiting performance of 'Beurre d'Anjou' pears (Pyrus communis L.) and postharvest urea spray on ovule longevity and fruit set of 'Doyenne du Comice' pears were studied. Hedgerows of 'Beurre d'Anjou' pear trees planted in 1969 in two orientations north-south (N-S) and east-west (E-W) were...
Resource Type:: Masters Thesis
Full Text:: Horticulture 5uy. f,7 Ti—k£—t •- ■"»■ y "■'-, chool Dean Date thesis presented July 12. 1991 Typed

Effects of inoculations with pathogenic and beneficial microorganisms and ammonium of nitrate fertilization on Easter lily growth

Creator:: Valenciano Mora, Jose Roberto
Abstract:: Although chemical fungicides are commonly used to control fungal soil-borne diseases of Easter lilies, Lilium longiflorum Thunb., in field production and greenhouse forcing, cultural and biological controls may be alternatives or complementary to chemicals for control of pathogens. The influence of inoculations with beneficial, symbiotic, and biocontrol microorganisms to enhance...
Resource Type:: Masters Thesis
Full Text:: reduced incidence of T. basicola rot of cotton roots, when plants were mycorrhizal. Apparently

Variation and heritability of vegetative, reproductive and fruit chemistrytraits in black raspberry (Rubus occidentalis L.)

Creator:: Dossett, Michael
Abstract:: In recent years, there has been renewed interest in black raspberry (Rubus occidentalis L.) breeding. This has been spurred by an increase in black raspberry consumption due to studies that have shown them to be particularly high in anthocyanin content indicating high levels of antioxidants. Present cultivars are ill adapted...
Resource Type:: Masters Thesis
Full Text:: debt of gratitude to Mary Peterson and Ted Mackey. Their help with technical matters, field

The Cosmetic Stay-Green Trait in Snap Bean and the Event Cascade that Reduces Seed Germination and Emergence

Creator:: Cirak, Melike
Abstract:: The persistent color (pc) trait in snap bean (Phaseolus vulgaris L.) belongs to a member of the cosmetic stay-green gene family. It is considered very desirable by snap bean breeders for its impacts on pod quality. Persistent color imparts a uniform dark-green color to pods and expresses in seeds as...
Resource Type:: Masters Thesis

Evaluation of botanical diversity in Oregon vineyards

Creator:: Schonenberger, Patrik M.
Abstract:: Three different ground cover management strategies were compared at the OSU research vineyard near Alpine, Oregon. Botanical diversity was actively increased in two diverse treatments. Another treatment was botanically uniform and contained creeping bentgrass (Agrostis stolonifera). The composition of the vineyard floor vegetation and grapevine performance as affected by the...
Resource Type:: Masters Thesis
Full Text:: . Schonenberger presented on January 29, 1999 APPROVED: • r 'ff •'—t*- Wort Major Professor, representing

Effect of date of renovation on yield components of strawberries

Creator:: Zhang, Lingxiao
Abstract:: Two experiments were conducted from 1987 to 1990 to study the effect of date of renovation on strawberry yield and yield components. In the first experiment, 'Benton' plants were renovated from July 6, 1988 (1 week after harvest - WAH) to August 24, 1988 (8 WAH). In the second experiment...
Resource Type:: Masters Thesis

DNA markers and characterization of novel sources of eastern filbert blight resistance in European hazelnut (Corylus avellana L.)

Creator:: Peterschmidt, Brooke C.
Abstract:: European hazelnut is a significant crop in the Pacific Northwest, and the US ranks 4th internationally for hazelnut production. Production in the Pacific Northwest is threatened, however, by the disease eastern filbert blight (EFB) caused by the fungus Anisogramma anomala (Peck) E. Müller. To meet the challenges faced by the...
Resource Type:: Masters Thesis
Full Text:: (T. Mockler and E. Rowley, pers. comm.). The cost of using SNP markers has been relatively high

Search Constraints

Search Results

Limit your search