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Filtering by: Advisor Chilcote, D. O. Resource Type Masters Thesis

The effect of source and size of parent tuber on yield of the Russet Burbank and Kennebec potato

Creator:

Youngberg, Harold Wayne, 1929-

Abstract:

Samples of Russet Burbank and Kennebec seed potatoes used by Oregon growers were grown in replicated plots at Klamath Falls, Prineville and Corvallis. Observations were made of total yield, yield of U.S. No. 1 tubers and number of stems produced per plot. Total yields of the Russet Burbank variety were...

Resource Type:

Masters Thesis

Full Text:

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Factors influencing dormancy and persistence in buried seed of five grass species

Creator:: Schafer, David Eugene
Abstract:: Field and growth chamber studies were conducted to ascertain the effects of some environmental factors on the persistence of viable buried seed of Agrostis tenuis, Avena fatua, Lolium multiflorum, Lolium perenne, and Poa annua. Through the use of a population model, specific effects of environment on parameters of viability and...
Resource Type:: Masters Thesis
Full Text:: DORMANCY AND PERSISTENCE IN BURIED SEED OF FIVE GRASS SPECIES Abstract approved Dr. D. O. Chilcote

Physiological characteristics of different forage yielding tall fescue (Festuca arundinacea Schreb.) selections under field sward conditions

Creator:: Lhamby, Julio Cesar
Resource Type:: Masters Thesis
Full Text:: to record my indebtedness to Dr. D. 0. Chilcote for accepting me as a graduate student and supplying

Grazing duration effects on seed yield of annual ryegrass (Lolium multiflorum L.)

Creator:: Young, William C. (William Clyde)
Abstract:: Spring grazing of annual ryegrass (Lolium multiflorum L.) seed fields with sheep is a common practice in the Willamette Valley of Oregon. However, the effect of grazing on seed yield in Oregon has not previously been investigated. This experiment was designed to determine the effects of duration of spring grazing...
Resource Type:: Masters Thesis
Full Text:: Annual Ryegrass (Lolium multiflorum L.) Redacted for privacy Abstract Approved: D. O. Chilcote Spring

CER and leaf characteristics of four tall fescue (Festuca arundinacea Schreb.) selections differing in forage yield

Creator:: Cohen, Cynthia Joy
Abstract:: Gas exchange, leaf area development, leaf anatomy and stomatal characteristics of four tall fescue selections differing in forage yield were examined to provide further insight into characteristics associated with yield differences of these selections. Winter-growing TFM 26 and TFM 16, the highest and lowest-yielding selections, respectively, and summer-growing selections TFK...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: Redacted for Privacy Dr. D. 0. Chilcote Gas exchange, leaf area development, leaf

Floral induction and reproductive development in selected perennial ryegrass cultivars

Creator:: Gangi, Ali Salih
Resource Type:: Masters Thesis
Full Text:: IN SELECTED PERENNIAL RYEGRASS CULTIV.RS Redacted for PrivacyAbstract approved: D. 0. Chilcote An

Growth and reproductive development in selected cultivars of Kentucky bluegrass given different durations of exposure to floral inductive conditions

Creator:: Turner, J. Kevin
Abstract:: Kentucky bluegrass (Poa pratensis L.) cultivars are known to differ quantitatively in their photothermal floral inductive requirements. The extent to which these requirements are met influences the potential for subsequent panicle exsertion. A better understanding of the inductive requirements as they vary among cultivars would aid in the selection and...
Resource Type:: Masters Thesis
Full Text:: Abstract Approved: D. O. Chilcote Kentucky bluegrass (Poa pratensis L.) cultivars are known to differ

Temperature effects on growth and nutrient concentration in tall fescue (Festuca arundinacea, Schreb.) selections differing in forage yield

Creator:: Rizzio, Rioh
Abstract:: This study was undertaken to better understand plant characteristics related to high and low forage yield in tall fescue selections as affected by temperature. Dry matter distribution into yield components in three different temperature regimes was evaluated. Root growth, dark respiration and nutrient concentration were also examined. The four diverse...
Resource Type:: Masters Thesis
Full Text:: ARUNDINACEA, SCHREB.) SELECTIONS DIFFERING IN FORAGE YIELD Abstract approved: Redacted for Privacy D. O

Growth and forage quality of tall fescue (Festuca arundinacea schreb.) and perennial ryegrass (Lolium perenne L.) as affected by mefluidide

Creator:: Manurung, Sabam Oloan
Abstract:: Field study with 5 tall fescue genotypes treated at the vegetative growth stage, with 0, 0.28, 0.56, and 0.84 kg/ha of mefluidide was initiated in July, 1980. The regrowth of these plants were again treated at the booting growth stage in April, 1981, with the same rates of mefluidide as...
Resource Type:: Masters Thesis
Full Text:: : Dr. D.O. Chilcote Field study with 5 tall fescue genotypes treated at the vegeta- tive growth stage

Exogenous and endogenous factors related to seed germination and vigor in certain varieties of sugarbeet Beta vulgaris L.

Creator:: Kim, Syng Chul
Abstract:: Studies were conducted on the causes of low germination of monogerm sugarbeet seed grown in western Oregon. Emphasis was placed on the identification and measurement of endogenous inhibitors as related to the germination and vigor. Both qualitative and quantitative analytical methods were applied to examine the organic substances in the...
Resource Type:: Masters Thesis
Full Text:: . W. Chilcote who served on my graduate advisory committee. Dr. D. M. TeKrony who furnished the

ScholarsArchive@OSU

The effect of source and size of parent tuber on yield of the Russet Burbank and Kennebec potato

Factors influencing dormancy and persistence in buried seed of five grass species

Physiological characteristics of different forage yielding tall fescue (Festuca arundinacea Schreb.) selections under field sward conditions

Grazing duration effects on seed yield of annual ryegrass (Lolium multiflorum L.)

CER and leaf characteristics of four tall fescue (Festuca arundinacea Schreb.) selections differing in forage yield

Floral induction and reproductive development in selected perennial ryegrass cultivars

Growth and reproductive development in selected cultivars of Kentucky bluegrass given different durations of exposure to floral inductive conditions

Temperature effects on growth and nutrient concentration in tall fescue (Festuca arundinacea, Schreb.) selections differing in forage yield

Growth and forage quality of tall fescue (Festuca arundinacea schreb.) and perennial ryegrass (Lolium perenne L.) as affected by mefluidide

Exogenous and endogenous factors related to seed germination and vigor in certain varieties of sugarbeet Beta vulgaris L.

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