Biologia plantarum 53:179-182, 2009 | DOI: 10.1007/s10535-009-0030-2
Enhanced chilling tolerance in Zoysia matrella by pre-treatment with salicylic acid, calcium chloride, hydrogen peroxide or 6-benzylaminopurine
- 1 School of Life Sciences, Nanjing University, Nanjing, P.R. China
Following leaf application of salicylic acid (SA), calcium chloride, hydrogen peroxide and 6-benzylaminopurine (BA), Manila grass (Zoysia matrella) plants were exposed to day/night temperature of 7/2 °C for 120 h in a growth chamber. The lower content of malondialdehyde (MDA) and H2O2 and higher activities of ascorbate peroxidase (APX), guaiacol peroxidase (POD) and catalase (CAT) during exposure to low temperature in pre-treated plants in comparison with control plants demonstrated that these compounds improved the chilling tolerance of Manila grass.
Keywords: antioxidant enzymes; cold stress; Manila grass; oxidative damage; signalling compounds
Subjects: ascorbate peroxidase; calcium; catalase; cytokinins; glutathione reductase; guaiacol peroxidase; hydrogen peroxide; malondialdehyde; peroxidase; salicylic acid; temperature, low; Zoysia matrella
Received: February 27, 2008; Accepted: February 5, 2009; Published: March 1, 2009 Show citation
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