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The life history of Anisogramma anomala (Pk.) E. Müller (Diaporthaceae) and its pathological and epidemiological association with Corylus avellana L.

Creator:: Gottwald, Timothy Ross
Abstract:: Eastern Filbert Blight, caused by Anisogramma anomala (Peck) E. Miller, was first discovered in the Pacific Northwest in 1974. Orchard experiments suggest that the fungus completes its life cycle in two years. Infection takes place from mid-January to May, mainly through mite-galled-buds infested with an Eriophyid mite, Phytocoptella avellanae Nal....
Resource Type:: Dissertation
Full Text:: : Redacted for Privacy Dr. H. Ronald Cameron Eastern Filbert Blight, caused by Anisogramma anomala (Peck) E

Rhynchosporium orthosporum in orchardgrass, isolation frequency, colonization, variability, and an evaluation of cultivar resistance

Creator:: Fernandez, Jesus Perez
Resource Type:: Dissertation
Full Text:: Ronald E. Welty Studies were undertaken in orchardgrass (Dactylis glomerata) and the plant pathogen

Distribution of Acremonium coenophialum in developing seedlings and inflorescences of Festuca arundinacea

Creator:: Cook, Kathy L.
Abstract:: Acremonium coenophialum is an endophytic fungus which infects the reproductive and vegetative tissue of tall fescue. Interest in this fungus was sparked by research which linked its presence in tall fescue with reduced weight gains and alkaloid-like poisoning in cattle. Incomplete information was available on the endophyte's life or disease...
Resource Type:: Masters Thesis
Full Text:: integument. Bar = 26 um. Figure 6. Development of endosperm (E) pushes degraded nucellus (N) and hyphae

Studies of the fungal endophyte Acremonium coenophialum in tall fescue

Creator:: Azevedo, Mark D.
Abstract:: Tall fescue is thought to have co-evolved with the fungal endophyte Acremonium coenophialum to form a mutualistic relationship. Endophyte-infected (EI) plants can have increased growth and survival when compared with endophyte-free (EF) plants. Responses to endophyte-infection vary and are host-genotype and fungal-biotype specific. Mechanism(s) by which endophyte-infection confers increased growth...
Resource Type:: Masters Thesis

Brown rot of sweet cherry in western Oregon

Creator:: Gashaira, Bashir
Resource Type:: Dissertation
Full Text:: SWEET CHERRY IN WESTERN OREGON Abstract approved: Redacted for privacy C 1 H. Ronald Cameron Brown rot

An investigation of vegetation : hydrology interactions in watershed 1 at the H.J. Andrews Experimental Forest

Creator:: Bredensteiner, Kim C.
Abstract:: For management purposes, it would be useful to be able to predict streamflow response to forest practices in small, unmonitored basins. The primary objective of this study is to investigate the influence of early successional vegetation on summer streamflow levels. The long-term data records from watershed 1 at the H.J....
Resource Type:: Masters Thesis
Full Text:: Abstract Approved: Ronald P. Neilson For management purposes, it would be useful to be able to predict

The detection of ilarvirus (subgroup B) by enzyme-linked immunosorbent assay

Creator:: McMorran, Jeffrey P.
Abstract:: The reliability and sensitivity of enzyme-linked immunosorbent assay (ELISA) in the detection of ilarvirus (isometric labile ringspot virus) subgroup B and prune dwarf virus (PDV) isolates in Prunus and Malus species has been well established. To use this technique in large scale virus indexing programs more information was required on...
Resource Type:: Masters Thesis
Full Text:: Enzyme-linked Immunosorbent Assay Abstract approved: Redacted for Privacy H. Ronald Cameron The

Studies on canker in European filbert caused by Anisogramma anomala

Creator:: Postman, Joseph D.
Abstract:: Anisogramma anomala causes a stem canker of filberts, Corylus avellana. This disease became a threat to the main U.S. filbert growing region when it was introduced into the Pacific Northwest around 1968. Various methods of artificially inoculating filbert trees and seeds were explored. Less than 1% of potted filbert trees...
Resource Type:: Masters Thesis
Full Text:: by Anisogramma anomala Redacted for Privacy Abstract approved: . H. Ronald Cameron Anisogramma

Double-stranded RNA isolated from grapevine affected by grapevine stem-pitting disease

Creator:: Walter, Michael H.
Abstract:: Nucleic acid extracted from dormant cane phloem of grapevines affected by grapevine stem-pitting disease (SP) formed a high molecular weight (MW) band on 1.0% and 0.8% agarose gels. The band was unique to diseased vines. Other bands appeared from samples of both diseased and virus-free vines, but did not associate...
Resource Type:: Masters Thesis
Full Text:: . Ronald Cameron Nucleic acid extracted from dormant cane phloem of grapevines affected by grapevine stem

Studies on the germination and growth of Anisogramma anomala Peck (Muller) in vitro

Creator:: Lightfoot, Richard (Richard Thomas), 1958-
Abstract:: This study examined the effects of pH, temperature, washing, and post-hydration drying on germination of Anisogramma anomala ascopores. Spores germinate most readily in the temperature range of 5 to 15 degrees C, with an optimal temperature of 10 degrees (1 sd=0.05). Growth was best in the pH range of 5...
Resource Type:: Masters Thesis
Full Text:: AND LITERATURE REVIEW The ascomycete Anisogramma_anomala (Peck) E. Muller causes a canker disease on

ScholarsArchive@OSU

The life history of Anisogramma anomala (Pk.) E. Müller (Diaporthaceae) and its pathological and epidemiological association with Corylus avellana L.

Rhynchosporium orthosporum in orchardgrass, isolation frequency, colonization, variability, and an evaluation of cultivar resistance

Distribution of Acremonium coenophialum in developing seedlings and inflorescences of Festuca arundinacea

Studies of the fungal endophyte Acremonium coenophialum in tall fescue

Brown rot of sweet cherry in western Oregon

An investigation of vegetation : hydrology interactions in watershed 1 at the H.J. Andrews Experimental Forest

The detection of ilarvirus (subgroup B) by enzyme-linked immunosorbent assay

Studies on canker in European filbert caused by Anisogramma anomala

Double-stranded RNA isolated from grapevine affected by grapevine stem-pitting disease

Studies on the germination and growth of Anisogramma anomala Peck (Muller) in vitro

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