Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 12 of 12 for “"Japanese beetle"”.
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Impact of elevated carbon dioxide and increased temperature on Japanese beetle herbivory
… 2050, under otherwise normal field conditions. Japanese beetles (Popilla japonica Newman) were enclosed on foliage for 24 hours, after which the beetle survivorship, total and per capita leaf consumption, and leaf protease inhibitor activity was measured. The direct effect of temperature on …
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Japanese beetle Popillia japonica Newman: foliar feeding on wine grapes in Virginia
The natural infestation level for 1985 of the Japanese beetle, Popillia japonica Newman, in the Shenandoah Valley of Virginia failed to reduce berry quality, yield or shoot growth in a commercial vineyard. Intensive postveraison foliage feeding by Japanese beetle resulted 1n fruit with lower …
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QTL discovery for Japanese beetle resistance in aphid-resistant germplasm, stacking aphid-resistant genes, and metabolite profiling studies in soybean
… MSU aphid-resistant germplasm for resistance to Japanese beetle (<Popillia japonica> Newman), a population was derived from a cross between E06906 (MSU) and another aphid-resistant source, LD05-16060 (Uni. of Illinois) that showed lower susceptibility to Japanese beetle. A QTL (Quantitative Trait …
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Pest Management of Japanese Beetle (Coleoptera: Scarabaeidae) and a Study of Stink Bug (Hemiptera: Pentatomidae) Injury on Primocane-bearing Caneberries in Southwest Virginia
… and geranium toxicity for reducing Japanese beetle (JB) activity on primocane-bearing caneberries. Deltamethrin, chlorantraniliprole, bifenthrin, lime-alum, and thyme oil reduced JB activity in the field. Deltamethrin, chlorantraniliprole, acetamiprid, an azadirachtin and pyrethrin …
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The Spatial Trends of Japanese Beetles in Illinois Soybean Fields and Their Effects on Sampling and Production
… Merr., fields to determine the spatial trends of Japanese beetles, Popillia japonica Newman, and to measure their impact on soybean production. Commercial soybean fields were sampled intensively or extensively. Densities and distributions of Japanese beetles within fields were measured with two …
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Interaction Between Insects and Apple (Malus X Domestica Borkh.): Insect Behavior, Genotypic Preference, and Plant Phenolics With Emphasis on Japanese Beetle (Popillia Japonica Newman)
… In choice feeding assays, incidence of Japanese beetle (JB) feeding and leaf area consumed was greater for 'Liberty' than for 'York.' Genotypes did not differ in no-choice feeding assays. Choice and no-choice feeding assays between apple and oak indicated that JB could distinguish host …
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Relationships among spread-sticker application, blossom cap retention, berry scarring, thrips populations, and Botrytis bunch rot in 'Chardonnay' grapes, and a survey of pesticide use and pest severity in Virginia vineyards in 1990 and 1991
… methods. In growers’ opinions, black rot, Japanese beetle, and annual grasses were the most severe disease, insect, and weed problems respectively. Pesticides most commonly used were captan, glyphosate, and carbaryl.
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Interactions of insecticides, entomopathogenic fungi, and earthworms as they relate to white grub IPM in turfgrass systems
… were made in June. In the greenhouse, Japanese beetle, Popillia japonica Newman females laid a significantly reduced number of eggs in turf treated with lower rate of imidacloprid either applied as a single treatment or as part of a combined treatment compared with untreated control. In …
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From a “Contagious” to a “Poisonous Yellow Peril”?: Japanese and Japanese Americans in Public Health and Agriculture, 1890s – 1950.
… facilitated the transpacific exchanges of Japanese insect, plant, and human immigrants. This dissertation, "From a `Contagious' to a `Poisonous Yellow Peril'?: Japanese and Japanese Americans in Public Health and Agriculture, 1890s - 1950," challenges the nation-bound paradigm within the …
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A Hive Mind: Bounded Rationality and Bees
… netting treatments for the control of Japanese Beetle. These bee community health metrics were based on 1473 captured bees. We found a significant decrease in bee abundance in attract-and kill-plots compared to grower standard plots for all application periods (p < 0.002), a trend …
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Impacts of climate change on herbivore induced plant signaling and defenses
… number of transcripts in the leaves affected by Japanese beetle (JB; Popillia japonica) herbivory was greater when plants were grown under elevated CO2, O3 and the combination of both compared to ambient atmosphere. The effect of herbivory on transcription diminished strongly with time, and …