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Plant Sensory Capabilities

Plant Sensory Capabilities

(p.9) 2 Plant Sensory Capabilities
Plant Sensing and Communication
Richard Karban
University of Chicago Press

Plants live in variable, heterogeneous environments and they have evolved the ability to sense and respond to spatial and temporal variation in light, chemicals, touch and gravity, temperature, sound, and electromagnetic forces. Phytochrome receptors sense the quality of light by responding to the ratio of red to far-red wavelengths allowing plants to detect shade cast by competitors. Chemical cues allow plants to recognize nutrient gradients as well as pathogens and herbivores. Plants use both dedicated receptors and diffuse feedback mechanisms to sense their environments.

Keywords:   light, phytochrome, receptors, sensing, sound, stimuli, touch

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