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Leaf spot (Higginsia hiemalis (Higg.) Nannf.) of sour cherry in the Willamette Valley

Creator:: Evans, Arlyn Wayne, 1916-
Abstract:: The life history of the fungus involved and the control for cherry leaf spot was studied ever a two-year period. It was found that the disease in Oregon is caused by the same fungus described in New York by Higgins in 1914 as Coccomyces hiemalis and which was more recently...
Resource Type:: Masters Thesis
Full Text:: -arsenate bait spray resulted in arsen- ical and copper injury to sour cherry leaves. It should be kept

The identity and the relationship of the viruses causing western X little Cherry and Kootenay little Cherry

Creator:: Wilks, Jack Morton
Resource Type:: Dissertation
Full Text:: group". In addition, there is a virus disease in cherry in the Eastern United States and Canada that

Biology and control of the black cherry aphid, Myzus cerasi (FAB.), in the Willamette Valley

Creator:: Gilmore, James Eugene
Resource Type:: Masters Thesis
Full Text:: throughout nearly ali cherry orchardz in the area, inhabiting sweet and sour cherries alike. Ross (32, p

Relation of boron to cherry rosette disease in Oregon, and the possible implication in Oregon, and the possible implication of a virus

Creator:: Bolwyn, Bart
Abstract:: A disease of sweet cherry (Prunus avium L.) known as "cherry rosette" has threatened production of cherries in Oregon. In 1961 this disease was observed in widely separated orchards. Rosette occurred in isolated trees or in spreading patterns, often from identified single trees or from one section of an orchard....
Resource Type:: Dissertation
Full Text:: Relation of boron to cherry rosette disease in Oregon, and

Brown rot of sweet cherry in western Oregon

Creator:: Gashaira, Bashir
Resource Type:: Dissertation
Full Text:: . Aspects of the Disease Cycle of Brown Rot on Sweet Cherry 14 MATERIALS AND METHODS 20 I. A. Disease

Investigation on the life history and habits of the cherry case bearer (Coleophora pruniella Clemens) and the cigar case bearer (C. fletcherella Fernald) in the Willamette Valley

Creator:: Hsiao, Tsai Yu
Resource Type:: Masters Thesis
Full Text:: feeding 35 upon pear and ouince (4). It was reported to be a cherry pest by Quaintance (68) and

An investigation of cherry gummosis

Creator:: Griffin, F. L. (Frederick Llewellyn)
Resource Type:: Masters Thesis
Full Text:: almond, cherry, peach and plum in Austra lia. -14- Paddock(63) described a disease condition of a

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:: is recognized as one of the greatest limiting factors in cherry production in Oregon. Disease

Development of an in vitro and modification of an in vivo bioassay to screen cherry genotypes for response to inoculation with Pseudomonas syringae pv. syringae

Creator:: Roche, M. Margaret
Abstract:: The bacterium Pseudomonas syringae affects different crops worldwide. In the Willamette Valley of Oregon, P. syringae causes bacterial canker in sweet cherry, severely limiting its production. High grafting of susceptible sweet cherry cultivars to resistant rootstocks is practiced in the Willamette Valley to reduce incidence of this disease. The research...
Resource Type:: Masters Thesis
Full Text:: pathovars of P. syringae, causing disease on sweet cherry have been observed: pv. syringae and pv

Aphid transmission of an undescribed virus from sweet cherry

Creator:: Smith, Gordon Kent
Resource Type:: Masters Thesis
Full Text:: relationship of stone fruit ringspot to sour cherry yellows, prune dwarf and peach stunt. In: Pro- ceedings of

ScholarsArchive@OSU

Leaf spot (Higginsia hiemalis (Higg.) Nannf.) of sour cherry in the Willamette Valley

The identity and the relationship of the viruses causing western X little Cherry and Kootenay little Cherry

Biology and control of the black cherry aphid, Myzus cerasi (FAB.), in the Willamette Valley

Relation of boron to cherry rosette disease in Oregon, and the possible implication in Oregon, and the possible implication of a virus

Brown rot of sweet cherry in western Oregon

Investigation on the life history and habits of the cherry case bearer (Coleophora pruniella Clemens) and the cigar case bearer (C. fletcherella Fernald) in the Willamette Valley

An investigation of cherry gummosis

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

Development of an in vitro and modification of an in vivo bioassay to screen cherry genotypes for response to inoculation with Pseudomonas syringae pv. syringae

Aphid transmission of an undescribed virus from sweet cherry

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