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Biology and management of the obliquebanded leafroller, Choristoneura rosaceana (Harris) (Lepidoptera: Tortricidae), in sweet cherry

Creator:: Omeg, Michael Kent
Abstract:: The seasonal biology of the obliquebanded leafroller, Choristoneura rosaceana (Harris), was studied to improve its management in Mid-Columbia area sweet cherry orchards. Overwintering OBLR larvae began to emerge from hibernacula at bud stage 2 (side green). Most overwintering larvae emerged from hibernacula within three weeks of first bud swell and...
Resource Type:: Masters Thesis
Full Text:: ), and sweet cherry (Beers et al. 1993). For many years OBLR was not considered a serious pest in

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:: iniportant and preferred host of the black cherry aphid is the sweet cherry, Prunus aviuin. (any other host

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:: and the most serious disease of sweet cherries in the Pacific Northwest (Cameron, 1970). The

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:: rnit the virus by the black cherry aphid, Myzus cerasi (F. ), and the plurn leaf -curl aphid

Isolation of putative pAgK84 transconjugants from commerical cherry and raspberry plants treated with Agrobacterium radiobacter strain K84

Creator:: Lu, Shu-Fen
Resource Type:: Masters Thesis
Full Text:: gall disease was found on cherry trees and raspberry plants in nurseries where K84 had failed to

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:: and under the tree in question. There is no data presented here on sweet cherry leaf- spot

Cover crop effects on root rot of sweet corn and soil properties

Creator:: Miyazoe, Mikio
Abstract:: Root rot of sweet corn in western Oregon and Washington is a significant disease that can reduce yield of intolerant cultivars of processed sweet corn by fifty percent. Root rot is caused by a complex of soilborne organisms, including Drechslera sp., Phoma terrestris, and Pythium arrhenomanes. Processors have adopted tolerant...
Resource Type:: Masters Thesis
Full Text:: to focus on improving soil health to reduce disease, pest, and weed pressure and increase or

ScholarsArchive@OSU

Biology and management of the obliquebanded leafroller, Choristoneura rosaceana (Harris) (Lepidoptera: Tortricidae), in sweet cherry

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

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

Isolation of putative pAgK84 transconjugants from commerical cherry and raspberry plants treated with Agrobacterium radiobacter strain K84

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

Cover crop effects on root rot of sweet corn and soil properties

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