Biologia plantarum 46:145-148, 2003 | DOI: 10.1023/A:1022311902355
Soil Pollution Alters ATP and Chlorophyll Contents in Pisum sativum Seedlings
- 1 Division of Plant Physiology, Department of Biosciences, University of Helsinki, Finland
Pisum sativum L. cv. Phenomen plants were grown in pots in greenhouse and their growth, and ATP and chlorophyll (Chl) a and b contents were assessed after 9-d exposure to sodium arsenate [0.04 and 0.07 mmol kg-1(soil)], or to lead acetate [2.0 and 4.0 mmol kg-1(soil)], or zinc acetate [5.3 and 9.3 mmol kg-1(soil)]. The luciferin-luciferase method was used for ATP analyses. Soil pollution reduced significantly the growth, but the low toxicant concentrations elevated the cotyledon and shoot ATP concentrations per fresh matter content. The ATP/Chl ratio was increased in the zinc-treated seedlings as compared with the respective controls. The ATP concentration and a number of growth parameters were negatively correlated, and thus the high ATP content might contribute to the significantly reduced growth of seedlings.
Keywords: arsenate; chlorophyll a and b; greenhouse; growth; lead acetate; pea; soil pollution; zinc acetate
Subjects: arsenate, ATP, chlorophyll, pollution of soil; ATP, pollution of soil; chlorophyll, pollution of soil; heavy metals; lead acetate, ATP, chlorophyll, pollution of soil; pea, chlorophyll, pollution of soil; Pisum sativum; sodium arsenate, ATP, chlorophyll, pollution of soil; zinc acetate, ATP, chlorophyll, pollution of soil
Prepublished online: March 1, 2003; Published: July 1, 2003 Show citation
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