Analysis of Rhythmic Emission of Volatile Compounds of Rose Flowers
Many phenomena in plants and animals show rhythmic patterns in activity and/or appearance. This rhythmicity may be controlled directly by periodic changes in environmental conditions such as temperature or light, e.g. generation of electrons by photosynthetic pigments in relation to daily changes in exposure to light. Many other processes, which are dependent on this activity, will show rhythmicity with the same interval but with a delay from which the length of time is dependent on intermediary reactions. When there is no further regulatory mechanism other than the abundance or intensity of the external regulatory signal, the rhythmicity of the phenomena will disappear when the signal loses its rhythmicity, e.g. when the plant is kept in constant dark or light.
KeywordsCarotenoid Glycoside Triglyceride Stopper Solid Phase Microextraction
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