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Science 10 August 1979:
Vol. 205. no. 4406, pp. 585 - 587
DOI: 10.1126/science.205.4406.585
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Articles

Remote Detection of Biological Stresses in Plants with Infrared Thermometry

P. J. PINTER JR. 1, M. E. STANGHELLINI 2, R. J. REGINATO 3, S. B. IDSO 3, A. D. JENKINS 4, and R. D. JACKSON 3

1 U.S. Water Conservation Laboratory, Phoenix, Arizona 85040
2 University of Arizona, Tucson 85721
3 U.S. Water Conservation Laboratory
4 Spreckels Sugar Division, Amstar Corporation, Chandler, Arizona 85224

Green leaves of mature sugar beets infected with Pythium aphanidermatum and cotton infected with Phymatotrichum omnivorum had midday radiant leaf temperatures 3° to 5° warmer than adjacent plants with no sign of disease. The temperature difference persisted under varying conditions of soil moisture and could be used to detect biological stress imposed by these soilborne root-rotting fungi.

Submitted on January 15, 1979
Revised on April 2, 1979


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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Agron. J. 100, S-132-S-152
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Thermal imaging of cucumber leaves affected by downy mildew and environmental conditions.
E-C Oerke, U Steiner, H-W Dehne, and M Lindenthal (2006)
J. Exp. Bot. 57, 2121-2132
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