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Inflorescence necrosis, ammonium, and evidence for ferredoxin-glutamate synthase activity in grape (Vitis vinifera L.)

Creator:: Creasy, Glen L.
Abstract:: Death of flower parts near bloom due to inflorescence necrosis (IN) is associated with high ammonium (NH₄⁺) concentration in flower clusters, shade, cool wet weather preceding bloom, and excessive vigor. Faults in NH₄⁺ assimilation are suspected to cause a rise in NH₄⁺ concentration to toxic levels in flower cluster but...
Resource Type:: Dissertation
Full Text:: small: one Califomian winery has almost .40 million gallons of wine storage capacity (Cooke and Vilas

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
Full Text:: concentration of ammonium in flowers and fruit to that of the control. Incubation of cuttings with inhibitors

Using rootstocks to manipulate vine physiological performance and mediate changes in fruit and wine composition

Creator:: Sampaio, Tiago Luís Barros
Abstract:: A rootstock trial was established in 1997 at the OSU Woodhall vineyard, located in the Southern Willamette Valley, which included two experiments. The first experiment was a factorial of four varieties grafted on to 9 rootstocks, and also as ungrafted vines (a split-plot design). The second experiment was a randomized...
Resource Type:: Dissertation
Full Text:: . The wine phenolic profile did not entirely reflect fruit composition, since extraction of skin

Enhancing pest mite biological control by Typhlodromus pyri (Acari: Phytoseiidae) in Pacific Northwest vineyards

Creator:: Gadino, Angela Noelle
Abstract:: The predatory mite Typhlodromus pyri (Acari: Phytoseiidae) is the predominant species in cool climate Pacific Northwest vineyards and a principal predator of pest mites including the grapevine rust mite Calepitrimerus vitis (Acari: Eriophyidae). In recent years vineyards have been experiencing C. vitis population outbreaks leading to increased economic damage from...
Resource Type:: Dissertation
Full Text:: grapevine rust mite is a host-specific pest of Vitis vinifera and occurs in many grape- growing regions

Ammonium in grapevines : seasonal levels in tissue and xylem extracts, and a tendril model system

Creator:: Jordan, David T.
Resource Type:: Dissertation
Full Text:: importance of the grape crop also mean that it is one of the most researched fruit crops grown. Even

Brown Marmorated Stink Bug (BMSB), Halyomorpha halys Taint in Wine : Impact on Wine Sensory, Effect of Wine-processing and Management Techniques

Creator:: Mohekar, Pallavi
Abstract:: Brown marmorated stink bug (BMSB), (Halyomorpha halys, Hemiptera: Pentatomidae) is an invasive species that damages numerous agricultural crops including grapes. Related damage include lower berry weight with increased exposure and cracked berries as a result of BMSB feeding activity. The insect is currently detected in 43 US states including Oregon,...
Resource Type:: Dissertation
Full Text:: invasive pest called the Brown Marmorated Stink Bug (BMSB) on consumer preference of wine. Brown

Honey Bees and Apple Trees : Hood River, Oregon as a Case Study for the Creation of the Honey Bee Pollination Industry

Creator:: Kellar, Brenda M.
Abstract:: The use of honey bees to pollinate apple orchards seems natural, even inevitable. This dissertation examines the relationship of beekeeping and apple growing in Hood River, Oregon in the mid-nineteenth to the mid-twentieth centuries, as a case study in the development of commercial pollination service. Within this time period the...
Resource Type:: Dissertation
Full Text:: . Front view of apple washer……………………………………………………..177 21. Modern [1937] fruit washer

Evaluation of grapevine red blotch virus epidemiology with reference to potential insect vectors

Creator:: Dalton, Daniel T.
Abstract:: Grapevine red blotch virus (GRBV), the causal agent of red blotch disease (RBD) in grapevine, Vitis vinifera L., is an emerging pathogen of significance to the wine grape industry of Oregon, USA. To address knowledge gaps of GRBV epidemiology, spread of GRBV was evaluated in Oregon vineyards over four years....
Resource Type:: Dissertation
Full Text:: grapevine, Vitis vinifera L., is an emerging pathogen of significance to the wine grape industry of Oregon

Using Vineyard Floor Management to Manipulate Vine Vigor: Impacts on 'Pinot noir' Yield Productivity and Fruit Composition

Creator:: Reeve, Alison L.
Abstract:: Winegrapes are an important crop for Oregon agriculture, ranking amongst the top ten agricultural commodities based on farmgate value. The most widely planted winegrape cultivar in the state is ‘Pinot noir’ (Vitis vinifera L.), and the majority of acreage is produced in the Willamette Valley. Production of quality ‘Pinot noir’...
Resource Type:: Dissertation
Full Text:: AND FRUIT COMPOSITION 2 CHAPTER 1 INTRODUCTION Wine grapes are one of

Marking, movement, and management of Drosophila suzukii in Oregon berry crops

Creator:: Klick, Jimmy
Abstract:: Drosophila suzukii Matsumura (Diptera: Drosophilidae) are small invasive flies that in the past five years (2009-2014) invaded berry and stone fruit production regions in Europe and the Americas. Evolutionary adaptations, biological traits, and anthropogenic factors have contributed to its current status as a global pest. Females oviposit eggs into ripe...
Resource Type:: Dissertation
Full Text:: contributed to its current status as a global pest. Females oviposit eggs into ripe fruit. Eggs develop into

ScholarsArchive@OSU

Inflorescence necrosis, ammonium, and evidence for ferredoxin-glutamate synthase activity in grape (Vitis vinifera L.)

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

Using rootstocks to manipulate vine physiological performance and mediate changes in fruit and wine composition

Enhancing pest mite biological control by Typhlodromus pyri (Acari: Phytoseiidae) in Pacific Northwest vineyards

Ammonium in grapevines : seasonal levels in tissue and xylem extracts, and a tendril model system

Brown Marmorated Stink Bug (BMSB), Halyomorpha halys Taint in Wine : Impact on Wine Sensory, Effect of Wine-processing and Management Techniques

Honey Bees and Apple Trees : Hood River, Oregon as a Case Study for the Creation of the Honey Bee Pollination Industry

Evaluation of grapevine red blotch virus epidemiology with reference to potential insect vectors

Using Vineyard Floor Management to Manipulate Vine Vigor: Impacts on 'Pinot noir' Yield Productivity and Fruit Composition

Marking, movement, and management of Drosophila suzukii in Oregon berry crops

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