|Table of Contents|

Effect of Drought Stress on Photosynthetic Characteristics and Photosynthetic Response Curve of Zoysia japonica(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年23期
Page:
49-53
Research Field:
Publishing date:

Info

Title:
Effect of Drought Stress on Photosynthetic Characteristics and Photosynthetic Response Curve of Zoysia japonica
Author(s):
HU Hua-guang1; ZHANG Zhen-ming1; JI Fang-fang1; LIU Jian-xiu2; GU Yu1
1.School of Life Science and Technology，Yancheng Teachers University，Yancheng，Jiangsu 224051；
2.Institute of Botany，Jiangsu Province and Chinese Academy of Sciences，Nanjing Botanical Garden，Nanjing，Jiangsu 210014
Keywords:
drought stress; Zoysia japonica; photosynthetic characteristics; photosynthetic response curve
PACS:
S 688.4
DOI:
-
Abstract:
Taking Z109 and Z054 which long-term water use efficiency was significant difference as materials，effects of drought stress on their photosynthetic characteristics and photosynthetic response curve were studied.The results showed that net photosynthetic rate，stomatal conductance，transpiration rate，inter-cellular CO2 concentration and water use efficiency of Z109 did not change significantly；but net photosynthetic rate，stomatal conductance，transpiration rate of Z054 reduced significantly，intercellular CO2 concentration raised significantly，potential water use efficiency did not change significantly.It implied that the impact of drought on Z109 was smaller than Z054，and Z109 was more adaptable to drought compared with Z054.Photosynthetic response curve of two accessions changed dentically，and maximum assimilation rate of Z109 and Z054 raised，but light compensation point and light saturation point reduced.

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Last Update: 2014-12-23