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Plant and Soil

, Volume 354, Issue 1–2, pp 41–44 | Cite as

Advances in remote sensing of plant stress

  • Craig V. M. Barton
Commentary

Since we first began to actively cultivate plants, we have been using remote sensing to assess the health and vigour of our crops and ornamentals. By looking at plants and observing changes in the angle of the leaves over time we can detect water stress, the colour of the leaves has informed us of nutrient limitations and imbalances, the patchiness of leaf colour and form often relates to pest and disease attack. Our ability to assess the health of plants and vegetation quickly and accurately simply by “looking” at them is being raised to new levels with the advent of new sensors and instruments that can “see” across a wider range of wavelengths than our eyes, and improved understanding of the physics and biochemistry underlying the relationships between vegetation status and its “appearance”.

When light strikes a leaf, part of the light spectrum is reflected towards the observer. This reflectance is governed by leaf surface properties, internal structure and the concentration and...

Keywords

Remote sensing Plant stress PRI Photochemical reflectance index 

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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  1. 1.NSW DPIBeecroftAustralia

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