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Girdling and shading effects on inflorescence necrosis and rachis composition of pinot noir grapevine

Creator:: Ibacache, Antonio E.
Abstract:: There are several grape disorders that reduce fruit set. One, millerandage, is from poor fertilization to produce "hen and chicken" or small seedless berries; while another, Coulure, is the failure of grape flowers to develop into berries. A third one, inflorescence necrosis (INec), is a disorder that should be in...
Resource Type:: Masters Thesis
Full Text:: : 1_i ^ Porter Lombard There are several grape disorders that reduce fruit set. One, millerandage

Water partitioning and respiration activity of dormant grape buds

Creator:: Gardea, Alfonso A.
Abstract:: Dormancy of 'Pinot Noir' grapevines was characterized. Primary buds required ca 300 cumulative chilling hours (CCH) to initiate the transition from endodormancy to ecodormancy, which occurred in mid November. Additional chilling, up to 1000 CCH, improved budbreak. Changes in bud water content were estimated by gravimetric and spectroscopic methods. Total,...
Resource Type:: Dissertation
Full Text:: Vargas Dedicated to Georgina Vargas and Porter B. Lombard. Also to Alfonso J. and Manuel Fco

Rooting of pear hardwood cuttings using VA mycorrhizal fungi, Agrobacterium rhizogenes and rooting hormones

Creator:: Gonzalez-Caldwell, Sandra
Resource Type:: Masters Thesis
Full Text:: . Abstract approved: _ . ^ Dr. Porter Lombard Rooting experiments were conducted with hardwood

The effect of ethylene manipulation on flower bud development of prunus persica and prunus domestica and of pyrus communis ovule senescence

Creator:: Crisosto, Carlos H.
Abstract:: In the Northwest, two tree fruit production problems may be related to the role of ethylene on plant growth and development: flowers and developing fruits are subject to low temperature injury during early spring, and to the low fruit set of 'Comice'. Ethylene may be involved in influencing dormancy and...
Resource Type:: Dissertation
Full Text:: indebted to Dr. Porter B. Lombard, who has been like a second father to me, for his guidance during my

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:: approved: i Porter B. Lombard The use of grass cover crops is a recommended practice in nonirrigated

Delay of anthesis in 'Bartlett' and 'Bosc' pears (Pyrus communis) by evaporative cooling

Creator:: Collins, Margaret Dorothy
Abstract:: The influence of evaporative cooling for delay of 'Bartlett' and 'Bosc' fruit bud development for frost avoidance was investigated. Two mist systems, one in a mature pear orchard and the other in a young pear hedgerow, delayed 'Bartlett' and 'Bosc' bloom up to 15 and 8 days respectively. A low...
Resource Type:: Masters Thesis
Full Text:: approved; _ _ Porter B. Lombard The influence of evaporative cooling for delay of 'Bartlett

Effect of crop density on vegetative and fruit growth and on mineral status in Nijiseiki pear (Pyrus pyrifolia)

Creator:: Gu, Sanliang
Resource Type:: Masters Thesis
Full Text:: : ^ Porter B. Lombard Fruitlets of Nijiseiki (Pyrus pyrifolia) on P. betulaefolia pear trees were thinned

Effect of nitrogen, boron, and rootstocks on yield, fruit quality, and nutritional levels in leaf, fruit, and flower tissue of Starkspur Golden Delicious apple trees

Creator:: Tami, Mohamed
Resource Type:: Masters Thesis
Full Text:: Tissue of Starkspur Golden Delicious .Apple Trees Abstract approved: , . , , - = ^ Porter B

Response of 'Pinot noir' grapevines to a perennial ryegrass cover crop and irrigation in the Willamette Valley

Creator:: Wilson, William D. (William Donald), 1955-
Abstract:: A perennial grass grown in strips between the rows of grapevines, with a bare soil herbicide strip under the rows of vines, is a common form of vineyard soil management. Irrigation, though not practiced for grape culture in western Oregon at this time, could be used to supplement the soil...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: Porter B. Lombard A perennial grass grown in strips between the rows of grape

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:: : ^ ^_ .,, . —. -,— . Porter B. Lombard Inflorescence necrosis (IN) is a recently described disorder in grapes

ScholarsArchive@OSU

Girdling and shading effects on inflorescence necrosis and rachis composition of pinot noir grapevine

Water partitioning and respiration activity of dormant grape buds

Rooting of pear hardwood cuttings using VA mycorrhizal fungi, Agrobacterium rhizogenes and rooting hormones

The effect of ethylene manipulation on flower bud development of prunus persica and prunus domestica and of pyrus communis ovule senescence

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

Delay of anthesis in 'Bartlett' and 'Bosc' pears (Pyrus communis) by evaporative cooling

Effect of crop density on vegetative and fruit growth and on mineral status in Nijiseiki pear (Pyrus pyrifolia)

Effect of nitrogen, boron, and rootstocks on yield, fruit quality, and nutritional levels in leaf, fruit, and flower tissue of Starkspur Golden Delicious apple trees

Response of 'Pinot noir' grapevines to a perennial ryegrass cover crop and irrigation in the Willamette Valley

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

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