Imaging by delayed light emission (Phytoluminography) as a method for detecting damage to the photosynthetic system [luminescence]
1979
Bjoern, L.O. | Forsberg, A.S. (Lund Univ. (Sweden). Dept. of Plant Physiology)
An improved apparatus for obtaining luminescence (delayed light emission) images of plants is described. It consists of a phosphoroscope equipped with an imaging lens and an electronic image intensifier. It is also equippped with light-sources for obtaining images with reflected light and fluorescence light. It is shown that damage to the photosynthetic system caused by virus, insects, high or low temperature, ultraviolet radiation, or herbicide, and also chloroplast senescence as part of a normal developmental process, can be followed by this non-destructive method. In many cases changes which are not visible in fluorescence images are clearly seen in luminescence images.
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