The suitability of physiological responses of plants to sulfur di oxide absorption as characteristic values for the effects of sulfur di oxide pollution

Jaeger, H.J.; Klein, H.

Phytopathologische Zeitschrift 89(2): 128-134

1977


ISSN/ISBN: 0031-9481
Accession: 006775748

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Abstract
The effects of low SO2 concentrations of pea plants are characterized by an increase of the inorganic S and the simultaneous stimulation of glutamate dehydrogenase activity, a decrease of the buffer capacity and a shift in the glutaminic acid-glutamine ratio. The occurrence of visible injuries caused by increasing SO2 concentrations correlates with increased contents of putrescine, glutamine and ammonia. The simultaneous reaction of the glutamate dehydrogenase activity, the buffer capacity and inorganic S is used to detect invisible SO2 injuries in plants.