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Ozone damage detection in cantaloupe plantsOzone causes up to 90 percent of air pollution injury to vegetation in the United States; excess ozone affects plant growth and development and can cause undetected decrease in yields. Laboratory and field reflectance measurements showed that ozone-damaged cantaloupe (Cucumis melo L.) leaves had lower water contents and higher reflectance than did nondamaged leaves. Cantaloupe plants which were lightly, severely, and very severely ozone-damaged were distinguishable from nondamaged plants by reflectance measurements in the 1.35- to 2.5 micron near-infrared water absorption waveband. Ozone-damaged leaf areas were detected photographically 16 h before the damage was visible. Sensors are available for use with aircraft and spacecraft that possibly could be used routinely to detect ozone-damaged crops.
Document ID
19780048483
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Gausman, H. W.
(Department of Agriculture Weslaco, TX, United States)
Escobar, D. E.
(Department of Agriculture Weslaco, TX, United States)
Rodriguez, R. R.
(Department of Agriculture Weslaco, TX, United States)
Thomas, C. E.
(Department of Agriculture Weslaco, TX, United States)
Bowen, R. L.
(U.S. Department of Agriculture Weslaco, Tex., United States)
Date Acquired
August 9, 2013
Publication Date
April 1, 1978
Publication Information
Publication: Photogrammetric Engineering and Remote Sensing
Volume: 44
Subject Category
Earth Resources And Remote Sensing
Accession Number
78A32392
Funding Number(s)
CONTRACT_GRANT: S-53876-AG
Distribution Limits
Public
Copyright
Other

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