Effect of PP333 and Boron, Molybdenum on Cold Resistance of Zoysia tenuifolia

ACTA HORTICULTURAE SINICA ›› 2007, Vol. 34 ›› Issue (5): 1273-1278.

• 研究报告 • Previous Articles Next Articles

Effect of PP₃₃₃ and Boron, Molybdenum on Cold Resistance of Zoysia tenuifolia

SHAO Ling; LIANG Guang-jian^*;ZHONG Jing-bo

(Department of Biology, Zhaoqing University, Zhaoqing, Guangdong 526061，China)

Received:1900-01-01 Revised:1900-01-01 Online:2007-10-25 Published:2007-10-25

Abstract

Abstract: The effect of boron,molybdenum(B+Mo),PP₃₃₃, and PP₃₃₃+B+Mo treaments on cold resistance of warm season Zoysia tenuifolia was studied.The results showed that PP₃₃₃ or/and (B+Mo) increased the contents of soluble protein, soluble sugar and free proline inZoysia tenuifolia, the ability of cellular osmoregulation was strengthened. The effect of application of PP₃₃₃+B+Mo in combination was the best, the contents of malonaldehyde (MDA) decreased significantly compared with control（P＜0.01）and the relative osmotic ability of membrane was minimum. Compared with control or (B+Mo) application, the activities of superoxide dismutase (SOD) and peroxidase (POD) and ascorbate peroxidase (APX) in leaves obviously increased, and the speed of pigment of chloroplast decomposition slowed down. So the treatment of (PP₃₃₃+B+Mo) could promote the recovery growth of turf grass under 1℃ for 3 d.

Key words: Zoysia tenuifolia, PP₃₃₃, Boron, Molybdenum, Cold resistance

SHAO Ling;LIANG Guang-jian;ZHONG Jing-bo. Effect of PP₃₃₃ and Boron, Molybdenum on Cold Resistance of Zoysia tenuifolia[J]. ACTA HORTICULTURAE SINICA, 2007, 34(5): 1273-1278.

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Effect of PP₃₃₃ and Boron, Molybdenum on Cold Resistance of Zoysia tenuifolia

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