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Photographic Remote Sensing of Sick Citrus TreesRemote sensing with infrared color aerial photography (Kodak Ektachrome Infrared Aero 8443 film) for detecting citrus tree anomalies is described. Illustrations and discussions are given for detecting nutrient toxicity symptoms, for detecting foot rot and sooty mold fungal diseases, and for distinguishing among citrus species. Also, the influence of internal leaf structure on light reflectance, transmittance, and absorptance are considered; and physiological and environmental factors that affect citrus leaf light reflectance are reviewed briefly and illustrated.
Document ID
19730007657
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Gausman, H. W. (Agricultural Research Service Weslaco, TX, United States)
Date Acquired
August 7, 2013
Publication Date
January 1, 1971
Publication Information
Publication: NASA, Washington Intern. Workshop of Earth Resources Surv. Systems, Vol. 2
Subject Category
Instrumentation And Photography
Accession Number
73N16384
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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IDRelationTitle19730007655Collected WorksInternational Workshop on Earth Resources Survey Systems, Volume 2
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