Analysis of Basic Spatial and Temporal Growth Patterns on the Background of Photosynthetic Energy Gain and Interactions with the Environment

Achim Walter

Institute of Chemistry and Dynamics of the Geosphere ICG-III: Phytosphere, Research Center Juelich GmbH, 52425 Juelich, Germany [email protected]

Abstract Leaves and roots show dynamic growth patterns such as diel variations (occurring throughout 24 h) or base-tip gradients that can be investigated non-invasively using image sequence processing methods. These growth patterns are affected by a number of environmental parameters. Light plays a crucial role as it ultimately drives biomass production via photosynthetic energy gain and carbohydrate metabolism. The interaction of growth patterns of different species with light conditions and other environmental factors affecting photosynthesis and carbohydrate metabolism is discussed and put into the context of the physiological framework regulating plant performance.

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