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An investigation involving the sampling of morphological characters for use in estimating disease resistance and sample size in hops

Creator:: Hunt, Oliver Joseph
Resource Type:: Dissertation
Full Text:: characters for use in estimating disease resistance and sample size in hops AN INVESTIGATION INVOLVING THE

Verticillium wilt of hops : pathogenicity, host range, and temperature relations of the causal agents

Creator:: Zehsazian, Hassan
Abstract:: Verticillium wilt of hops in Oregon, caused by Verticillium dahliae Kleb., was first reported in 1956. Later, V. albo-atrum Reinke & Berth. was also isolated from infected hop plants, and thus both species of the fungus were shown to be the causal agents of the disease in Oregon. The purpose...
Resource Type:: Dissertation
Full Text:: . The disease persisted from year to year but fluc- tuated in severity and hop production was not

Streptomycin absorption and translocation by hops (Humulus lupulus L.) and effects of streptomycin on the hop downy mildew disease

Creator:: Maier, Charles Robert
Resource Type:: Dissertation
Full Text:: Lupulus L.), and Effects of Streptomycin on the Hop Downy Mildew Disease STRil'fOII!OIN ABSOBFliON AND

Bionomics of the hop cyst nematode, Heterodera humuli Filipjev, 1934 (Nematoda : Heteroderidae)

Creator:: Sen, Arun Kumar
Abstract:: The hop cyst nematode, Heterodera humuli Filipjev, 1934 was first reported from Europe in 1894, however, very little is known with respect to the biology and economic importance of this pest. Abundant material from Oregon hop yards provided an excellent opportunity to add additional details concerning the bionomics of this...
Resource Type:: Dissertation
Full Text:: economic importance of this pest. Abundant material from Oregon hop yards provided an excellent

Chemical control of hop downy mildew (Pseudoperonospora humuli) and tolerance by Phytophthora isolates to the systemic fungicide metalaxyl

Creator:: Hunger, Robert Marvin
Resource Type:: Dissertation
Full Text:: areas occasionally favors severe disease and subsequent eco- nomic losses. Hop varieties with some

Biological control of Tetranychus urticae Koch in hops by phytoseiid mites : feasibility, spatial aspects of interactions, and management

Creator:: Strong, Willard Billings, 1959-
Resource Type:: Dissertation
Full Text:: fallacis and G. occidentalis. Both N fallacis and G. occidentalis dispersed throughout hop plants if TSSM

Investigation of hop downy mildew through association mapping and observations of the oospore

Creator:: Parker, Thomas B.
Abstract:: Hop downy mildew is a devastating disease affecting hop requiring expensive fungicide applications throughout the growing season. Plant resistance is highly desirable and theorized as being decidedly quantitative with dominance and epistasis involved in resistance. An association mapping approach using a mixed-model was used to identify AFLP markers associated with...
Resource Type:: Dissertation
Full Text:: of hop downy mildew in the United States……………………………….... 1 Disease importance and

The biology and control of the insect vectors of potato viruses in Oregon

Creator:: Crumb, S. E. (Samuel Ebb)
Resource Type:: Dissertation
Full Text:: project. He has grown the tuber samples from insecticide plots and determined the amount of disease

A study of the viruses infecting European and American potato varieties

Creator:: Dykstra, Theodore P. (Theodore Peter), 1896-1979
Resource Type:: Dissertation
Full Text:: emphasizes the necessity of distinguishinr between a virus and the type of disease it causes. That

Physiologic specialization and etiology of red stele disease, Phytophthora fragariae Hickman, of strawberries, and attempts at control

Creator:: Wooley, Paul Henry
Resource Type:: Dissertation
Full Text:: Disease, Phytophthora Fragariae Hickman, of Strawberries, and Attempts at Control PHXSIOLOOIC

ScholarsArchive@OSU

An investigation involving the sampling of morphological characters for use in estimating disease resistance and sample size in hops

Verticillium wilt of hops : pathogenicity, host range, and temperature relations of the causal agents

Streptomycin absorption and translocation by hops (Humulus lupulus L.) and effects of streptomycin on the hop downy mildew disease

Bionomics of the hop cyst nematode, Heterodera humuli Filipjev, 1934 (Nematoda : Heteroderidae)

Chemical control of hop downy mildew (Pseudoperonospora humuli) and tolerance by Phytophthora isolates to the systemic fungicide metalaxyl

Biological control of Tetranychus urticae Koch in hops by phytoseiid mites : feasibility, spatial aspects of interactions, and management

Investigation of hop downy mildew through association mapping and observations of the oospore

The biology and control of the insect vectors of potato viruses in Oregon

A study of the viruses infecting European and American potato varieties

Physiologic specialization and etiology of red stele disease, Phytophthora fragariae Hickman, of strawberries, and attempts at control

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