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OLS Field Name OLS Field Data
Main Title Plant Stress Detection by Remote Measurement of Fluorescence.
Author McFarlane, J. C. ; Watson, R. D. ; Theisen, A. F. ; Jackson, R. D. ; Ehrler, W. L. ;
CORP Author Environmental Monitoring Systems Lab., Las Vegas, NV.
Year Published 1980
Report Number EPA-600/J-80-045;
Stock Number PB82-236449
Additional Subjects Plants(Botany) ; Stress(Physiology) ; Fluorescence ; Photosynthesis ; Measurement ; Detection ; Remote sensing ; Air pollution ; Reprints ; Pathogens ; Pollution monitoring
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
NTIS  PB82-236449 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/23/1988
Collation 5p
Abstract Plant growth and development are based on the capture and transformation of electromagnetic radiation by chlorophyll. The efficiency of photosynthesis depends upon the presence of sufficient amounts of water, mineral nutrients, carbon dioxide, and light; and it can be regulated by any factor which interferes with the availability or mixture of those items. Plant damage by pollutants, water stress, or pathogens usually results in a reduced rate of photosynthesis. If damage is severe, visible symptoms may be evident on the leaves or stems. However, a decreased photosynthetic rate may not be visually evident but can result in reduced production that may be recognized only at harvest or when ameliorative measures no longer help. Measurement of the depression of photosynthetic rates is, therefore, an important criterion in the evaluation of pollutant effects, water sufficiency, and other stress conditions on plants.
Supplementary Notes Pub. in Applied Optics, v19 p3287-3289, 1 Oct 80.
NTIS Title Notes Journal article.
Title Annotations Reprint: Plant Stress Detection by Remote Measurement of Fluorescence.
PUB Date Free Form 9 May 80
Category Codes 6C; 57C
NTIS Prices PC A02/MF A01
Primary Description 600/07
Document Type NT
Cataloging Source NTIS/MT
Control Number 323820013
Origin NTIS
Type CAT