|Table of Contents|

Reseach on Cold Resistance of the Three Warmseason Turfgrass(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年13期
Page:
64-67
Research Field:
Publishing date:

Info

Title:
Reseach on Cold Resistance of the Three Warmseason Turfgrass
Author(s):
QIAO Xue-yun; LI Hai-mei
College of Landscape Architecture and Horticulture，Qingdao Agricultural University，Qingdao，Shandong 266109
Keywords:
turfgrass; low temperature stress; cold resistance; physiological indexes
PACS:
S 688.4
DOI:
-
Abstract:
With the three warmseason turfgrass Zoysia japonica，Eremochloa ophiuroides and Stenotaphrum secundatum as experimental materials，using artificial low temperature treatment，measured and analysed the difference among leaves which was disposed under various low temperatures including relative electric conductivity of cytomembrane，the content of water-soluble protein and the activity of SOD,POD.The results showed that with the reduce of the temperature，relative electric conductivity of plasma membrane increased in the three warmseason turfgrass leaves，the plasma membrane stability showed that Zoysia japonica＞Eremochloa ophiuroides＞Stenotaphrum secundatum，the tendency of water-soluble protein in the turfgrass leaves presented rise，the activity of SOD,POD in the turfgrass leaves increased at first and then decreased，the range of sensitive areas under low temperature stress in three turfgrass was between 0℃ and-10℃.And it concluded that the cold resistance of the three warmseason turfgrass was as follows: Zoysia japonica＞Eremochloa ophiuroides＞Stenotaphrum secundatum.

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Last Update: 2014-09-16