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Mineral nutrition, pyruvate kinase activity, and protein concentration in 'd'Anjou' pear fruit affected by cork spot

Creator:: Bevacqua, Robert Francis
Resource Type:: Dissertation
Full Text:: Nutrition, Pyruvate Kinase Activity, and Protein Ooncentraticri in 'd'Anjou' Pear Fruit Affected by Pork

The inheritance and nature of a symptomless infection by a Willamette strain of pea streak virus in Pisum sativum L.

Creator:: Tsai, Jean-duan
Abstract:: Pea streak virus (Marmor trifolii Holmes) is widespread and occasionally destructive in Eastern Oregon and Washington, and in many other pea growing areas. Since control by the use of insecticides to kill the insect vector is only partially successful, resistant varieties of peas are needed. In a study to confirm...
Resource Type:: Masters Thesis
Full Text:: titer, was needed. Because of the importance of the disease and observed deviations in the

The influence of antitranspirant and calcium sprays on calcium distribution and tipburn in cabbage (Brassica oleracea var. capitata) and lettuce (Lactuca sativa L.)

Creator:: Chen, Yung-Wu
Abstract:: Tipburn is a widespread physiological disorder of cabbage and lettuce, caused by calcium deficiency. Symptoms of tipburn are necrosis on margins of outer and inner head leaves in lettuce, whereas in cabbage it is only on margins of inner leaves. Tipburn on outer leaves may develop early, but symptoms remain...
Resource Type:: Masters Thesis
Full Text:: United States, in both field and greenhouse. Tipburn is also a serious disease in tropical and

Irrigation and plant density effects on head rot and yield of broccoli

Creator:: Ludy, Robin L.
Abstract:: Effects of amount of applied water and frequency of irrigation on head rot and yield of three broccoli cultivars were evaluated in 1987 and 1988. Two irrigation frequencies were established with a line-source sprinkler system for 5.5 weeks during heading. The low-frequency experiment was watered once per week and the...
Resource Type:: Masters Thesis
Full Text:: weather conditions. To date, no chemicals have provided adequate control of this disease and only

Genetic relationships between pea seedborne mosaic virus resistance and horticultural characteristics, powdery mildew, enation mosaic virus and red clover vein mosaic virus resistance in Pisum sativum L.

Creator:: Sewall, Cathy Hampshire
Resource Type:: Masters Thesis
Full Text:: LITERATURE CITED 72 LIST OF TABLES Table Page 1. Disease resistance and horticultural charac

Inheritance of resistance to head smut disease in maize (Zea mays L.)

Creator:: Akhtar, Ali
Resource Type:: Dissertation
Full Text:: heritability 29 IV. RESULTS AND DISCUSSION 30 Incidence of head smut disease 30 Effect of clipping on

Assays to determine tolerance of cherry rootstock to bacterial canker caused by Pseudomonas syringae pv. syringae

Creator:: Krzesinska, Elzbieta Z.
Abstract:: Bacterial canker, caused by Pseudomonas syringae pv. syringae is recognized as one of the greatest limiting factors in cherry production in Oregon. Disease incidence may be decreased when susceptible cultivars are high-grafted onto tolerant/resistant rootstocks. This research was begun to develop a rapid screening method which could be used to...
Resource Type:: Masters Thesis
Full Text:: usable criterion of the disease in this assay. 'Napoleon' and 'Corum' had significantly higher

The inheritance of resistance to bean yellow mosaic virus in Phaseolus vulgaris L

Creator:: Baggett, James R.
Resource Type:: Dissertation
Full Text:: I9k6. This Tirus, teraed "I-disease,* produced severe leaf, stem, and tip necrosis, which

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:: and Nitrate Status with Inflorescence Necrosis in 'Pinot noir' Grapevines. Abstract approved

The genetic analyses of neck-rot (Botrytis allii Munn) resistance, pungency and soluble solids content of onion (Allium cepa L.)

Creator:: Lin, Mau-Wei
Resource Type:: Dissertation
Full Text:: negative correlation between PA and neck-rot disease index (DI), and a medium negative correlation

ScholarsArchive@OSU

Mineral nutrition, pyruvate kinase activity, and protein concentration in 'd'Anjou' pear fruit affected by cork spot

The inheritance and nature of a symptomless infection by a Willamette strain of pea streak virus in Pisum sativum L.

The influence of antitranspirant and calcium sprays on calcium distribution and tipburn in cabbage (Brassica oleracea var. capitata) and lettuce (Lactuca sativa L.)

Irrigation and plant density effects on head rot and yield of broccoli

Genetic relationships between pea seedborne mosaic virus resistance and horticultural characteristics, powdery mildew, enation mosaic virus and red clover vein mosaic virus resistance in Pisum sativum L.

Inheritance of resistance to head smut disease in maize (Zea mays L.)

Assays to determine tolerance of cherry rootstock to bacterial canker caused by Pseudomonas syringae pv. syringae

The inheritance of resistance to bean yellow mosaic virus in Phaseolus vulgaris L

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

The genetic analyses of neck-rot (Botrytis allii Munn) resistance, pungency and soluble solids content of onion (Allium cepa L.)

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