Physiological Response to Salt (NaCl) Stress in Selected Cultivated Tetraploid Cottons
Joint Authors
Hughs, E.
Higbie, Sarah M.
Lindemann, William C.
Zhang, Jinfa
Stewart, J. McD.
Wang, Fei
Sterling, Tracy M.
Source
International Journal of Agronomy
Issue
Vol. 2010, Issue 2010 (31 Dec. 2010), pp.1-12, 12 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2010-10-04
Country of Publication
Egypt
No. of Pages
12
Main Subjects
Abstract EN
In the southwestern and western Cotton Belt of the U.S.
soil salinity can reduce cotton productivity and quality.
This study was conducted to determine the physiological responses of six genotypes including five Upland cotton (Gossypium hirsutum L.) cultivars and one Pima cotton line (G.
barbadense L.) to NaCl under greenhouse conditions.
Seeds were germinated and grown for 14 days prior to salt treatment (daily 100 ml of 200 mM NaCl) for 21 days.
Compared with the control (daily 100 ml tap water), the NaCl treatment significantly reduced plant height, leaf area, fresh weight, and dry weight.
The NaCl stress also significantly increased leaf chlorophyll content, but did not affect leaf fluorescence.
Of the six genotypes, Pima 57-4 and SG 747 had the most growth reduction, and were most sensitive to NaCl; DP 33B, JinR 422 and Acala Phy 72 had the least growth reduction and were most NaCl tolerant.
Although all the six genotypes under the salt treatment had significantly higher Na and Cl accumulation in leaves, SG 747 and Pima 57-4 accumulated more Na and Cl than DP 33B.
Increases in leaf N, Zn, and Mn concentrations were also observed in the NaCl-treated plants.
While leaf P, Ca, and S concentrations remained unchanged overall in the genotypes tested, leaf K, Mg, Fe, and Cu concentrations significantly decreased during salt stress.
Reduction in plant height is a simple, easy, sensitive, non-destructive measurement to evaluate salt tolerance in cotton.
American Psychological Association (APA)
Higbie, Sarah M.& Wang, Fei& Stewart, J. McD.& Sterling, Tracy M.& Lindemann, William C.& Hughs, E.…[et al.]. 2010. Physiological Response to Salt (NaCl) Stress in Selected Cultivated Tetraploid Cottons. International Journal of Agronomy،Vol. 2010, no. 2010, pp.1-12.
https://search.emarefa.net/detail/BIM-487680
Modern Language Association (MLA)
Higbie, Sarah M.…[et al.]. Physiological Response to Salt (NaCl) Stress in Selected Cultivated Tetraploid Cottons. International Journal of Agronomy No. 2010 (2010), pp.1-12.
https://search.emarefa.net/detail/BIM-487680
American Medical Association (AMA)
Higbie, Sarah M.& Wang, Fei& Stewart, J. McD.& Sterling, Tracy M.& Lindemann, William C.& Hughs, E.…[et al.]. Physiological Response to Salt (NaCl) Stress in Selected Cultivated Tetraploid Cottons. International Journal of Agronomy. 2010. Vol. 2010, no. 2010, pp.1-12.
https://search.emarefa.net/detail/BIM-487680
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-487680