Index Catalog // ScholarsArchive@OSU

Physiology of ripening in pears

Creator:: Wang, Chien Yi
Abstract:: Investigations were conducted to study in detail some biochemical and physiological aspects of ripening in pears. Anjou pears picked at different degrees of maturity were treated with Ethrel (2-chloroethane phosphonic acid), 4000 ppm, and ethylene, 500 ppm, for different lengths of time. Respiration rate was measured twice daily and changes...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF CHIEN- YI WANG for the Ph. D

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

Phenotyping Ornamental Plants: Case Studies in Fruit Quality Attributes from Vaccinium ovatum and Disease Resistance of Cotoneaster spp.

Creator:: Neill, Kristin E.
Abstract:: Landscape plants are highly diverse and nursery producers often grow thousands of taxa to satisfy the varied needs and aesthetic tastes of consumers. Related to this diversity, ornamental plant breeders must be nimble and diverse in their approach. Two seemingly disparate studies were conducted to investigate improving ornamental shrubs –...
Resource Type:: Masters Thesis

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

Phylogenetic Estimation and Ancestral State Reconstruction of Rubus (Rosaceae) using Target Capture Sequencing

Creator:: Carter, Katherine A.
Abstract:: Hybridization, polyploidy, and apomixis have made phylogenetic estimation in Rubus challenging. I used target capture to sequence approximately 1000 low copy nuclear loci and the chloroplast genome for 94 accessions representing the genus Rubus and distributed worldwide. Species phylogenies were estimated using two coalescent based methods, ASTRAL-II and SVDQuartets, and...
Resource Type:: Masters Thesis
Full Text:: Cretaceous period (Xiang et al., 2016). The ancestral area of Rubus is under debate. Lu (1983) concluded

Study of seed germination-associated genes using Arabidopsis enhancer-trap

Creator:: Liu, Po-Pu
Abstract:: In mature Arabidopsis seeds, the testa (seed coat) is no longer a living tissue. Thus, major sites of gene expression in imbibed seeds are the internal living tissues such as the embryo and the endosperm. To elucidate the molecular mechanisms of seed germination, the gene regulation in these two tissues...
Resource Type:: Dissertation
Full Text:: common underlying dormancy control mechanism. Plant J. 46, 805-822. Campisi, L., Yang, Y., Yi, Y

Weed control in beans with ethalfluralin

Creator:: Crabtree, Garvin
Abstract:: A field trial was established in 1979 at Corvallis, Oregon to evaluate selective weed control in beans with ethalfluralin (Sonalan).
Resource Type:: Technical Report
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Biotic and abiotic factors impacting development, behavior, phenology, and reproductive biology of Drosophila suzukii

Creator:: Hamby, Kelly A., Bellamy, David E., Chiu, Joanna C., Lee, Jana C., Walton, Vaughn M., Wiman, Nik G., York, Riki M., and Biondi, Antonio
Abstract:: Spotted wing drosophila, Drosophila suzukii, is a devastating invasive pest of small and stone fruits in the Americas and Europe. To better understand the population dynamics of D. suzukii, we reviewed recent work on juvenile development, adult reproduction, and seasonal variation in life history parameters including the abiotic/biotic factors that...
Resource Type:: Article
Full Text:: 2 1 N D N D 2 3 0 \ 2 d ay s A p p rx . 6 0 d C h ab er t et al . (2 0 1 3 ) B lu eb er ry

Eastern filbert blight in hazelnut (Corylus avellana): identification of new resistance sources and high resolution genetic and physical mapping of a resistance gene

Creator:: Sathuvalli, Vidyasagar R.
Abstract:: European hazelnut, Corylus avellana L., is the only economically important nut crop in the family Betulaceae. One of the threats to the hazelnut industry in the Pacific Northwest is the fungal disease eastern filbert blight (EFB) caused by the pyrenomycete Anisogramma anomala. Host genetic resistance to EFB identified in the...
Resource Type:: Dissertation
Full Text:: an e t al ., 1 9 9 8 1 6 M la n o n -T IR -N B S -L R R B ar le y B lu m

Endogenous factors influencing decay susceptibility and quality of 'd' Anjou' pear (Pyrus communis L.) fruit during maturation and storage

Creator:: Boonyakiat, Danai
Abstract:: The major phenolics of 'd' Anjou' pear (Pyrus communis L.) tissues were chlorogenic acid and arbutin. Chlorogenic acid inhibited mycelial growth and spore germination of Penicillium expansum and mycelial growth of Mucor piriformis. Slight increases in radial growth and spore germination of Botrytis cinerea occurred on chlorogenic acid media. Chlorogenic...
Resource Type:: Dissertation

ScholarsArchive@OSU

Physiology of ripening in pears

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

Phenotyping Ornamental Plants: Case Studies in Fruit Quality Attributes from Vaccinium ovatum and Disease Resistance of Cotoneaster spp.

Nutrient management of blackberry cultivars grown in organic production systems

Phylogenetic Estimation and Ancestral State Reconstruction of Rubus (Rosaceae) using Target Capture Sequencing

Study of seed germination-associated genes using Arabidopsis enhancer-trap

Weed control in beans with ethalfluralin

Biotic and abiotic factors impacting development, behavior, phenology, and reproductive biology of Drosophila suzukii

Eastern filbert blight in hazelnut (Corylus avellana): identification of new resistance sources and high resolution genetic and physical mapping of a resistance gene

Endogenous factors influencing decay susceptibility and quality of 'd' Anjou' pear (Pyrus communis L.) fruit during maturation and storage

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