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F-FYS-Naturvitenskap, fysikk

Biophysics of plant root development, function and root-rhizosphere interactions

Tildelt: kr 1,3 mill.

The plant root is one of the most elusive, yet vital plant organs. Studying the root's development and function in its natural environment is difficult as the root is hidden in siol. Moreover, the interactions between the root and its environment are comp lex. Idealized and quantitative studies of the root system will be conducted in order to elucidate some of these processes. These studies will utilize experimental and theoretical techniques from physics and complex systems research not previously applied to basic research in plant sciences. Two imaging techniques will be used: (1) A specially designed two-dimensional rhizotron which enables non-destructive monitoring of the entire root system over a period of weeks and (2) nuclear magnetic resonan ce imaging which enables studies of the three-dimensional root architecture as well as water distributions and relations within the root, the root environment and the plant. The effects of the root environment particularly soil structure, porosity and com paction on root architecture and water uptake ability will be studied. In addition, the effects of root-pathogen and root-symbiont interaction on root tissue morphology and w ater transport in the plant and soil will be compared.

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F-FYS-Naturvitenskap, fysikk

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