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Methods for determining the physiological state of a plant

United States Patent

September 23, 2003
View the Complete Patent at the US Patent & Trademark Office
The present invention provides methods for measuring a photosynthetic parameter. The methods of the invention include the steps of: (a) illuminating a plant leaf until steady-state photosynthesis is achieved; (b) subjecting the illuminated plant leaf to a period of darkness; (c) using a kinetic spectrophotometer or kinetic spectrophotometer/fluorimeter to collect spectral data from the plant leaf treated in accordance with steps (a) and (b); and (d) determining a photosynthetic parameter from the spectral data. In another aspect, the invention provides methods for determining the physiological state of a plant.
Kramer; David M. (Pullman, WA), Sacksteder; Colette (St Paul, MN)
Washington State University Research Foundation (Pullman, WA)
09/ 642,385
August 18, 2000
GOVERNMENT RIGHTS This invention was made with government support under Grant No. DE-FGO3-98ER20299 awarded by the United States Department of Energy. The government has certain rights in the invention.