Search for dissertations about: "plant-insect interactions"
Showing result 6 - 10 of 11 swedish dissertations containing the words plant-insect interactions.
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6. Plant resistance ecology - the role of resistance in plant-insect mutualisms
Abstract : Global food security is largely dependent on the use of synthetic pesticides for pest control. This extensive reliance on pesticides, however, has promoted widespread loss of insect diversity; thereby jeopardizing the provision of insect ecosystem services like pollination and biological control. READ MORE
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7. Selection on floral traits in Primula farinosa
Abstract : Flowers and inflorescences have evolved in relation to animals for at least 100 million years. Plants attract pollinators with large, conspicuous, bright-coloured or scented flowers. These display attributes, however, also attract herbivores. READ MORE
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8. The importance of search behavior and movements for spatial distributions of herbivorous insects
Abstract : Insect populations commonly show large spatial variation in density, and much variation have been shown to be explained by the search behavior applied by the insect when locating habitat patches. This thesis explores the importance of odor-mediated attraction for immigration rates of herbivorous insects in relation to the size of the patches and the density of host plants within the patches. READ MORE
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9. Light, stress and herbivory : from photoprotection to trophic interactions using Arabidopsis thaliana as a model organism
Abstract : Photosynthesis is the most important process for nearly all life on earth. Photosynthetic organisms capture and transfer light energy from the sun into chemical energy which in turn provides a resource base for heterotrophic organisms. Natural light regimes are irregular and vary over magnitudes. READ MORE
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10. Insect-plant interactions within cultivar mixtures : volatile plant communication as an underlying mechanism
Abstract : Promoting genotypic diversity of crops via cultivar mixtures presents a promising strategy to sustainably control insect pests and diseases, and thereby enhance yield. However, the underlying mechanisms responsible for reduced pest performance in cultivar mixtures remain unexplored. READ MORE