Search Results - "Steinger, T."

Control of potato virus Y (PVY) in seed potatoes by oil spraying, straw mulching and intercropping by Dupuis, B., Cadby, J., Goy, G., Tallant, M., Derron, J., Schwaerzel, R., Steinger, T.

“…Potato virus Y (PVY) is the potato virus with the highest economic impact on seed potato production. Insecticides are efficient in controlling aphids, which…”
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Epidemiological analysis of risk factors for the spread of potato viruses in Switzerland by Steinger, T, Gilliand, H, Hebeisen, T

“…Virus diseases represent important economic threats to the production of seed potatoes worldwide, yet little quantitative information is available on the…”
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Forecasting virus disease in seed potatoes using flight activity data of aphid vectors by Steinger, T., Goy, G., Gilliand, H., Hebeisen, T., Derron, J.

“…We compiled data from the Swiss seed certification programme for the country‐wide incidence of viruses in seed potato crops for the years 1989–2012. Model…”
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Evolution in stressful environments II: adaptive value and costs of plasticity in response to low light in Sinapis arvensis by Steinger, T., Roy, B. A., Stanton, M. L.

“…Plants possess a remarkable capacity to alter their phenotype in response to the highly heterogeneous light conditions they commonly encounter in natural…”
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Does natural selection promote population divergence? A comparative analysis of population structure using amplified fragment length polymorphism markers and quantitative traits by Steinger, T., Haldimann, P., Leiss, K. A., Müller-Schärer, H.

“…Divergent natural selection is considered an important force in plant evolution leading to phenotypic differentiation between populations exploiting different…”
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Efficiency of pheromone traps for monitoring Diabrotica virgifera virgifera LeConte by Schaub, L., Furlan, L., Tóth, M., Steinger, T., Carrasco, L. R., Toepfer, S.

“…Mark–release–recapture trials with male western corn rootworm Diabrotica virgifera virgifera LeConte (Coleoptera: Chrysomelidae) beetles were conducted to…”
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Low genetic differentiation among seasonal cohorts in Senecio vulgaris as revealed by amplified fragment length polymorphism analysis by Haldimann, P., Steinger, T., Müller-Schärer, H.

“…Common groundsel, Senecio vulgaris (Asteraceae), is a highly selfing semelparous ephemeral weed that belongs to the few plant species in central Europe capable…”
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Interaction between the endophytic fungus Epichloe bromicola and the grass Bromus erectus: effects of endophyte infection, fungal concentration and environment on grass growth and flowering by Groppe, K, Steinger, T, Sanders, I, Schmid, B, Wiemken, A, Boller, T

“…Epichloë bromicola is an endophytic fungal species that systemically and perennially colonizes intercellular spaces of leaf blades, leaf sheaths and culms of…”
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Evolution in invasive plants: implications for biological control by Müller-Schärer, Heinz, Schaffner, Urs, Steinger, Thomas

“…Evidence is increasing that invasive plants can undergo rapid adaptive evolution during the process of range expansion. Here, we argue that evolutionary change…”
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Maternal and direct effects of elevated CO 2 on seed provisioning, germination and seedling growth in Bromus erectus by Steinger, T, Gall, R, Schmid, B

“…Elevated CO can affect plant fitness not only through its effects on seed production but also by altering the quality of seeds and therefore germination and…”
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Shift in cytotype frequency and niche space in the invasive plant Centaurea maculosa by Treier, Urs A, Broennimann, Olivier, Normand, Signe, Guisan, Antoine, Schaffner, Urs, Steinger, Thomas, Muller-Scharer, Heinz

“…Polyploidy is often assumed to increase the spread and thus the success of alien plant species, but few empirical studies exist. We tested this hypothesis with…”
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Epidemiological analysis of risk factors for the spread of potato viruses in Switzerland: Risk factors for potato virus disease by Steinger, T., Gilliand, H., Hebeisen, T.

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Genetic variation in response to elevated CO2 in three grassland perennials - a field experiment with two competition regimes [Bromus erectus, Prunella vulgaris, Prunella grandiflora] by Steinger, T. (Universitaet Zuerich (Suisse). Institut fuer Umweltwissenschaften), Lavigne, C, Birrer, A, Groppe, K, Schmid, B

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Contrasting Effects of Grazing and Hay Cutting on the Spatial and Genetic Population Structure of Veratrum album, an Unpalatable, Long-Lived, Clonal Plant Species by Kleijn, David, Steinger, Thomas

“…1 Vegetation change induced by large herbivores is driven by the effects of grazers on populations of individual plant species. Short-term experimental or…”
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Climate vs. soil factors in local adaptation of two common plant species by Macel, M, Lawson, C.S, Mortimer, S.R, Smilauerova, M, Bischoff, A, Cremieux, L, Dolezal, J, Edwards, A.R, Lanta, V, Bezemer, T.M

“…Evolutionary theory suggests that divergent natural selection in heterogeneous environments can result in locally adapted plant genotypes. To understand local…”
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Potential contribution of natural enemies to patterns of local adaptation in plants by Crémieux, Lisèle, Bischoff, Armin, Šmilauerová, Majka, Lawson, Clare S, Mortimer, Simon R, Doležal, Jiří, Lanta, Vojtěch, Edwards, Andrew R, Brook, Alex J, Tscheulin, Thomas, Macel, Mirka, Lepš, Jan, Müller-Schärer, Heinz, Steinger, Thomas

“…Genetic differentiation among plant populations and adaptation to local environmental conditions are well documented. However, few studies have examined the…”
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Testing the Evolution of Increased Competitive Ability (EICA) Hypothesis in a Novel Framework by Handley, R.J, Steinger, T, Treier, U.A, Müller-Schärer, H

“…The "evolution of increased competitive ability" (EICA) hypothesis proposes that escape from natural enemies, e.g., after transcontinental introductions,…”
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Predicting evolutionary change in invasive, exotic plants and its consequences for plant-herbivore interactions by Müller-Schärer, H, Steinger, T

“…This paper explores the potential changes in plant traits and how this might influence species interactions, specifically subsequent biological control…”
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Long-Term Persistence in a Changing Climate: DNA Analysis Suggests Very Old Ages of Clones of Alpine Carex curvula by Steinger, Thomas, Körner, Christian, Schmid, Bernhard

“…Carex curvula is a very slow-growing rhizomatous sedge that forms extensive stands in the European alpine belt. The recruitment of sexual progeny is extremely…”
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Maternal and Direct Effects of Elevated CO₂ on Seed Provisioning, Germination and Seedling Growth in Bromus erectus by Steinger, Thomas, Rolf Gall, Schmid, Bernhard

“…Elevated CO₂ can affect plant fitness not only through its effects on seed production but also by altering the quality of seeds and therefore germination and…”
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