Article ; Online: Determination of growth and maintenance coefficients by calorespirometry.
Functional plant biology : FPB
2020 Volume 31, Issue 9, Page(s) 929–939
Abstract: This study describes a calorespirometric method for determining the coefficients of the correlation of specific respiration and growth rates. To validate the calorespirometric method, coefficients obtained from calorespirometric data are compared with ... ...
Abstract | This study describes a calorespirometric method for determining the coefficients of the correlation of specific respiration and growth rates. To validate the calorespirometric method, coefficients obtained from calorespirometric data are compared with coefficients obtained from mass and elongation growth rates measured at three temperatures on oat (Avena sativa L.) shoots. Calorespirometric measurements were also made on leaf tissue of varying age from Verbascum thapsus L., Convolvulus arvensis L., and Helianthus tuberosus Nutt. Measurements on A. sativa, C. arvensis and H. tuberosus at several temperatures show maintenance coefficients generally increase with temperature, but, in disagreement with accepted theory, growth coefficients for C. arvensis and A. sativa vary with temperature. A comparison of rates expressed as intensive and extensive quantities showed that the decline in specific respiration and growth rates with age is caused by dilution-by-growth, not down-regulation of respiration rate by reduced demand. The ratio of heat rate to CO |
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Language | English |
Publishing date | 2020-07-21 |
Publishing country | Australia |
Document type | Journal Article |
ZDB-ID | 2071582-1 |
ISSN | 1445-4416 ; 1445-4408 |
ISSN (online) | 1445-4416 |
ISSN | 1445-4408 |
DOI | 10.1071/FP03029 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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