Index Catalog // ScholarsArchive@OSU

Entomopathogenic nematodes for biological control of the Colorado potato beetle, Leptinotarsa decemlineata (Say)

Creator:: Armer, Christine Andrea
Abstract:: The Colorado potato beetle (CPB), Leptinotarsa decemlineata (Say), is the most devastating foliage-feeding pest of potatoes in the United States. Potential biological control agents include the nematodes Heterorhabditis marelatus Liu & Berry and Steinernema riobrave Cabanillas, Poinar & Raulston, which provided nearly 100% CPB control in previous laboratory trials. In...
Resource Type:: Dissertation
Full Text:: : Entornopathogenic Nematodes for Biological Control of the Colorado Potato Beetle, Leptinotarsa decemlineata (Say

Big-eyed bugs as predators of the green peach aphid

Creator:: Puls, Karl A.
Resource Type:: Masters Thesis
Full Text:: aphid, Myzus persicae (Sulzer), has been identified as the most important aphid pest on potato

Control of mint root borer, Fumibotys fumalis, with the entomopathogenic nematode, Steinernema carpocapsae

Creator:: Takeyasu, Joyce
Resource Type:: Masters Thesis
Full Text:: threshold level. For example, two- spotted spider mites are considered secondary pests, achieving pest

Management of variegated cutworm in peppermint

Creator:: Coop, Leonard Bryan
Abstract:: A pest management program for variegated cutworm (VC), Peridroma saucia (Hubner), in Oregon peppermint was developed based on studies of pheromone trapping, sampling methods, and economic thresholds. Pheromone traps effectively trapped VC males and were used to reflect development and oviposition trends. Trap height was linearly correlated to moth catch...
Resource Type:: Dissertation
Full Text:: : Redacted for Privacy 7 Ralph E. t.96 A pest management program for variegated cutworm (VC), Peridroma

Sampling methods and injury thresholds for western spotted cucumber beetle in snap beans

Creator:: Weinzierl, Richard Alan
Resource Type:: Dissertation
Full Text:: pests including potato leafhopper in alfalfa (Fleischer et al. 1982, Preuss et al. 1977, Simonet et al

Resistance in snap beans, Phaseolus vulgaris L., to adult western spotted cucumber beetle, Diabrotica u. indecimpunctata Mann

Creator:: Eltoum, Elameen M. A.
Abstract:: Studies to evaluate resistance in snap beans, Phaseolus vulgaris L. to adult western spotted cucumber beetles, Diabrotica u. undecimpunctata Mann. were conducted in greenhouse cages, field cages, field plots, and in temperature controlled cabinet in the laboratory. Results showed that there were differences in susceptibility to adult feeding injury between...
Resource Type:: Masters Thesis
Full Text:: pests in California, and it is a common pest in the Willamette Valley of Western Oregon (Rockwood and

Sampling methods, biology and management of the mint flea beetle in central Oregon peppermint

Creator:: Morris, Mark A.
Abstract:: Sampling techniques were evaluated to quantify immature mint flea beetle (MFB), Longitrsus waterhousei Kutschera (Coleoptera: Chrysomelidae), on peppermint (Mentha piperita L.), in central Oregon. During the study period, 1985-1988, soil samples of 350 cm³ were effective for collecting immature MFB. Sifting soil samples through screens was effective for estimating post-feeding...
Resource Type:: Masters Thesis
Full Text:: ), Longitarsus waterhousei Kutschera (Coleoptera: Chrysomelidae), is considered to be one of the key insect pests

Effects of Bacillus thuringiensis toxins in transgenic plants on the biology of the non-target, soil inhabiting arthropods, Folsomia candida (Collembola: Isotomidae) and Oppia nitens (Acari: Orbatidae)

Creator:: Yu, Lian, 1965-
Resource Type:: Masters Thesis
Full Text:: into cotton plants has provided a new method of pest control for lepidopteran pests. Transgenic plants

Twospotted spider mite, Tetranychus urticae Kock, in Oregon peppermint, Mentha piperita L. : sampling, population dynamics and economic injury

Creator:: Hollingsworth, Craig Stephen
Abstract:: A pest management program for Tetranychus urticae Koch in Oregon peppermint was developed based on studies of sampling, plant phenology, population dynamics and damage thresholds. A sample size of 45 leaves provided a confidence level of 90% and a confidence interval of 50%. Estimation of the sample mean was based...
Resource Type:: Dissertation
Full Text:: / Ralph E.Berry A, A pest management program for Tetranychus urticae Koch in Oregon peppermint was

Biology and population regulation of the strawberry root weevil, Otiorhynchus ovatus (L.) (Coleoptera:Curculionidae)

Creator:: Emenegger, Donald Brian
Abstract:: The life history of the strawberry root weevil, Otiorhynchus ovatus (L.), on peppermint was studied in the Willamette Valley of Oregon to provide the information necessary to develop effective control measures. Adult weevils emerged from the soil from late May until mid- June and were active in the field until...
Resource Type:: Masters Thesis
Full Text:: ) INTRODUCTION The strawberry root weevil, Otiorhynchus ovatus (L. ), has been a serious pest of strawberries

ScholarsArchive@OSU

Entomopathogenic nematodes for biological control of the Colorado potato beetle, Leptinotarsa decemlineata (Say)

Big-eyed bugs as predators of the green peach aphid

Control of mint root borer, Fumibotys fumalis, with the entomopathogenic nematode, Steinernema carpocapsae

Management of variegated cutworm in peppermint

Sampling methods and injury thresholds for western spotted cucumber beetle in snap beans

Resistance in snap beans, Phaseolus vulgaris L., to adult western spotted cucumber beetle, Diabrotica u. indecimpunctata Mann

Sampling methods, biology and management of the mint flea beetle in central Oregon peppermint

Effects of Bacillus thuringiensis toxins in transgenic plants on the biology of the non-target, soil inhabiting arthropods, Folsomia candida (Collembola: Isotomidae) and Oppia nitens (Acari: Orbatidae)

Twospotted spider mite, Tetranychus urticae Kock, in Oregon peppermint, Mentha piperita L. : sampling, population dynamics and economic injury

Biology and population regulation of the strawberry root weevil, Otiorhynchus ovatus (L.) (Coleoptera:Curculionidae)

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