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Fungi associated with Oregon grown clover seed

Creator:: Leach, Charles Morley
Resource Type:: Dissertation
Full Text:: Fungi associated with Oregon grown clover seed FUNGI

Factors affecting vegetable seed production in the Willamette Valley, Oregon

Creator:: Schudel, Harold Lester
Resource Type:: Dissertation
Full Text:: a i a a a a s a a a 122 23, ?roublesone insects of vegetable seed crops in the Willanette Valley

A chalcid parsite, Dinarmus acutus Thomson, of the vetch bruchid, Bruchus brachialis Fahraeus

Creator:: Leong, Kingston Lin Hoy, 1940-
Resource Type:: Dissertation
Full Text:: laboratory and field conditions. The host insect was the vetch bruchid, Bruchus brachialis Fahraeus. Surveys

Effect of N and P fertilizers on growth, nitrate reductase activity, seed production and seed quality of snap bean (Phaseolus vulgaris L.)

Creator:: Sader, Rubens
Resource Type:: Dissertation
Full Text:: Activity, Seed Production and Seed Quality of Snap Bean (Phaseolus vulgaris L.) AN ABSTRACT OF THE THESIS

Salivation and engorgement parameters of sucking insect vectors : implications in pathogen transmission

Creator:: Shieh, Jong-neng
Abstract:: The probing behavior and feeding activity of green peach aphid, Myzus persicae Sulzer, on Bacillus thuringiensis ssp. tenebrionis- transgenic potatoes, insecticide treated potatoes, and host plants with different preference were electronically monitored. I found that first, transgenic potatoes had no effect on green peach aphid probing suggesting that transmission of...
Resource Type:: Dissertation
Full Text:: Parameters of Sucking Insect Vectors: Implications in Pathogen Transmission Abstract approved: P lippe A

Water relations in red and white clover seed crops

Creator:: Oliva, Ruben N.
Abstract:: Both red (Trifolium pratense L.) and white (Trifolium repens L.) clover seed yields can be highly variable and low in western Oregon. The objectives of this study were to: i) determine crop water requirements and supplemental irrigation timing, and ii) quantify the effects of soil and water status on inflorescence...
Resource Type:: Dissertation
Full Text:: information is available regarding white clover seed water use in Oregon. In general, excessive foliage

Effect of temperature and photoperiod on growth and development of the filbert leafroller, archips rosanus L. (lepidoptera: Tortricidae) in the Willamette Valley of Oregon

Creator:: Al-Zabidi, Ahmed Hizam, 1953-
Abstract:: Role of temperature and photoperiod on development of the filbert leafroller, Archips rosanus L., (Lepidoptera: Tortricidae) from the Willamette Valley, Oregon was studied in the laboratory and in the field. Both temperature and photoperiod had a significant influence on the developmental rate of this species from neonate larva to adult...
Resource Type:: Dissertation
Full Text:: foliage is limited, heavy infestation may cause defoliation and stunted plant growth (AliNiazee 1974

Evaluating the Attractiveness of Pacific Northwest Native Plants to Insects and Gardeners

Creator:: Anderson, Aaron G.
Abstract:: Due to a growing body of literature documenting declines in pollinator populations, there has been increased public interest in pollinator conservation. In urban and suburban landscapes, many gardeners and urban land managers are interested in gardening for pollinators, particularly bees. Simultaneously, many homeowners and municipalities are interested in other aspects...
Resource Type:: Dissertation
Full Text:: quality and insect health. Insecticides, in particular, negatively impact terrestrial insects in

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

Creator:: Crumb, S. E. (Samuel Ebb)
Resource Type:: Dissertation
Full Text:: The biology and control of the insect vectors of potato

Host selection, reproductive biology, host-specific development and mortality of the codling moth, Cydia pomonella (L.) (Lepidoptera: Torticidae), in apple and pear

Creator:: Marti, Santiago Marti
Abstract:: The biology and behavior of the codling moth, Cydia pomonella (L.), was studied to determine factors responsible for differences in susceptibility to moth damage among apple and pear cultivars. In release experiments, codling moth adults were intercepted in significantly greater numbers in host (apple, pear) than in non-host (maple) trees,...
Resource Type:: Dissertation
Full Text:: tree canopy, foliage and fruit. Cues from host fruit were less important at the beginning of the

ScholarsArchive@OSU

Fungi associated with Oregon grown clover seed

Factors affecting vegetable seed production in the Willamette Valley, Oregon

A chalcid parsite, Dinarmus acutus Thomson, of the vetch bruchid, Bruchus brachialis Fahraeus

Effect of N and P fertilizers on growth, nitrate reductase activity, seed production and seed quality of snap bean (Phaseolus vulgaris L.)

Salivation and engorgement parameters of sucking insect vectors : implications in pathogen transmission

Water relations in red and white clover seed crops

Effect of temperature and photoperiod on growth and development of the filbert leafroller, archips rosanus L. (lepidoptera: Tortricidae) in the Willamette Valley of Oregon

Evaluating the Attractiveness of Pacific Northwest Native Plants to Insects and Gardeners

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

Host selection, reproductive biology, host-specific development and mortality of the codling moth, Cydia pomonella (L.) (Lepidoptera: Torticidae), in apple and pear

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