Index Catalog // ScholarsArchive@OSU

Genetic stability of micropropagated and in vitro cold-stored strawberries

Creator:: Kumar, Mohan B.
Abstract:: Genetic stability of micropropagated and cold-stored Fragaria x anannasa cultivar 'Pocahontas' was evaluated by Random Amplified Polymorphic DNA (RAPD) assay. Plantlets grown for eight months on M & S medium with 5 μM and 15 μM N6- benzyladenine (BA) were analyzed. No evidence of mutations was seen in over 200...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Mohan B. Kumar for the degree of

Inheritance and Allelism Among the B genes in Cucurbita moschata

Creator:: Wilson, Casey K.
Abstract:: One of the most economically important genes in squash (Cucurbita spp.) is the B gene which conditions precocious depletion of chlorophyll in preanthesis fruit. The B genes are found naturally occurring in at least three of the five domesticated species of Cucurbita, including C. pepo, C. maxima and, most recently...
Resource Type:: Masters Thesis
Full Text:: Allelism Among the B genes in Cucurbita moschata Abstract approved

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
Full Text:: was correlated with leaf B content but not with nut B. With relative fruit set (RFS), B content of

Weeds With a Purpose: Interseeding Cover Crops into Sweet Corn in Western Oregon

Creator:: Donaldson, Andrew R.
Abstract:: Cover crop establishment in late-season crops, like sweet corn, may be difficult due to the relatively short operational window following crop harvest. In regions like western Oregon, where fall-precipitation can occur when the crop is still in the field, cover crops may not be able to be planted, due to...
Resource Type:: Masters Thesis
Full Text:: ................................................................................................................................ 94 Appendix B

Evaluating Alternative Soil Amendments for Organic Northern Highbush Blueberry Cultivation in Sub-Optimal Soils

Creator:: Retano, Andrea
Abstract:: Escalating demand for organic blueberries has driven a significant expansion of northern highbush blueberry (NHB; Vaccinium corymbosum L.) production area. This expansion is particularly pronounced in regions of the Pacific Northwest where native soil conditions are sub-optimal for NHB, notably east of the Cascade Mountain Range of Oregon and Washington,...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: ______________________________________________________ Scott B. Lukas

Managing Microdochium Patch Using Non-Traditional Fungicides on Annual Bluegrass Putting Greens

Creator:: Mattox, Clint M.
Abstract:: Currently, fungicide applications are the predominant method of control for the cool weather pathogen Microdochium patch (Microdochium nivale). Increasing pesticide restrictions have generated concern regarding management of Microdochium patch. Three separate field trials exploring non-traditional fungicides were conducted between 2013 and 2015 on an annual bluegrass (Poa annua L.) sand-based...
Resource Type:: Masters Thesis
Full Text:: quality. ©Copyright by Clint M. Mattox August

Chilling and nutritional requirements of fruit trees in Yemen

Creator:: Alkoshab, Othman
Abstract:: A portion of this study was initiated to provide the basis for implementing a chill unit accumulation procedure in Yemen. Most continuous or daily minimum, maximum temperature models severely underestimated chilling units, and slight modifications offered little improvement for the complex models. Only the Crossa Raynaud formula approximated generally accepted...
Resource Type:: Dissertation
Full Text:: provide efficient measurements of B, K, Ca, Mg, Na, S, Cu, Fe, Zn, Mn, P, Cl, SAR, PAR, and carbonates

An evaluation of the Diagnosis and Recommendation Integrated System (DRIS) on hazelnuts (Corylus avellana) in Oregon

Creator:: Alkoshab, Othman
Abstract:: This study evaluates Beufil's Diagnosis and Recommendation Integrated System (DRIS) on hazelnuts. Although sufficiency ranges are currently the main approach for fertilizer recommendations in Oregon, DRIS enhanced nutritional interpretations, and might alter recommendations. Reference values (DRIS norms) were developed using 15 years of published and unpublished field data. DRIS indices...
Resource Type:: Masters Thesis
Full Text:: , the main deficiencies found in hazelnut orchards in Oregon are N, K, and B (49). A study done by

Suppression of Microdochium Patch on Annual Bluegrass Putting Greens using Iron Sulfate, Phosphorous Acid, Sulfur, and Mineral Oil

Creator:: Mattox, Clint M.
Abstract:: Managing Microdochium patch on intensively manicured annual bluegrass putting greens is a challenge for turfgrass professionals in cool-humid climates similar to the Pacific Northwest. Fungicides are the predominant means to mitigate damage caused by this fungal pathogen, however pesticide restrictions are making it even more challenging to suppress Microdochium patch....
Resource Type:: Dissertation
Full Text:: , B., Mattox, C., Gould, M., and Kowalewski, A. 2018. Effects of sulfur and calcium source on pH

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:: ' Pears. Abstract approved: _ _„ ,. . "^ Porter B. Lombard The effect of canopy

ScholarsArchive@OSU

Genetic stability of micropropagated and in vitro cold-stored strawberries

Inheritance and Allelism Among the B genes in Cucurbita moschata

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

Weeds With a Purpose: Interseeding Cover Crops into Sweet Corn in Western Oregon

Evaluating Alternative Soil Amendments for Organic Northern Highbush Blueberry Cultivation in Sub-Optimal Soils

Managing Microdochium Patch Using Non-Traditional Fungicides on Annual Bluegrass Putting Greens

Chilling and nutritional requirements of fruit trees in Yemen

An evaluation of the Diagnosis and Recommendation Integrated System (DRIS) on hazelnuts (Corylus avellana) in Oregon

Suppression of Microdochium Patch on Annual Bluegrass Putting Greens using Iron Sulfate, Phosphorous Acid, Sulfur, and Mineral Oil

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

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