Full TGIF Record # 237533
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Publication Type:
i
Report
Author(s):Li, Pin-fang; Yang, Zhi-cheng
Author Affiliation:College of Resources and Environmental Sciences, China Agricultural University, Beijing, China
Title:Dynamic effect of NaCl on absorption and transportation of K+ and Na+ in Festuca arundinacea
Source:[Caoye Xuebao] [Acta Prataculturae Sinica]. Vol. 14, No. 4, August 20 2005, p. 58-64.
# of Pages:7
Publishing Information:[Lanzhou Shi, China]: ["Cao Ye Xue Bao" Bian Ji Wei Yuan Hui]
Abstract/Contents:"This study aimed to elucidate the effects of salinity on the growth of tall Fescue (Festuca arundinacea). Seedlings were cultured for 5 weeks under hydroponic conditions with nutrient solutions containing 0 (CK), 50, 100, 150, 200, 250, 300, and, 350 mmol/L NaCl. At several intervals over the study period the tiller number, dry matter and, K+/N+ content in top and root, were determined. Results showed that the tiller number, dry matter weight, K+, K+/Na+ and the transport selectivity of K+ (SK+/Na+ - transport) declined under high NaCL concentration, while Na+ content was increased in both shoots and roots. It was shown that the depressive effect of NaCl stress on growth was more pronounced in shoots than in roots. The absorption selectivity of K+ was reduced mainly by NaCl concentration in the nutrient solution. The transport selectivity of K+ and Na+ decreased significantly as the treatment duration progressed."
Language:Chinese
References:16
Note:Abstract also appears in English
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Li, P.-f., and Z.-c. Yang. 2005. Dynamic effect of NaCl on absorption and transportation of K+ and Na+ in Festuca arundinacea. (In Chinese) [Caoye Xuebao] [Acta Prataculturae Sinica]. 14(4):p. 58-64.
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