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Response of plant roots to elevated atmospheric carbon dioxide
Author(s) -
ROGERS H. H.,
PETERSON C. M.,
McCRIMMON J. N.,
CURE J. D.
Publication year - 1992
Publication title -
plant, cell and environment
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.646
H-Index - 200
eISSN - 1365-3040
pISSN - 0140-7791
DOI - 10.1111/j.1365-3040.1992.tb01018.x
Subject(s) - stele , root (linguistics) , carbon dioxide , plant root , carbon dioxide in earth's atmosphere , shoot , dry weight , botany , horticulture , biology , chemistry , ecology , linguistics , philosophy
Plant root response to atmospheric CO 2 enrichment can be great. Results from this controlled environment investigation demonstrate substantial effects on root system architecture, micromorphology and physiology. The most pronounced effects were an increase in root length (110%) and root dry weight (143%). Root diameter, stele diameter, cortex width, root/shoot and root weight ratios all increased; root numbers did not increase. The long‐term implications for belowground processes could be enormous.