天津滨海区草坪草净光合与蒸腾速率日变化特征

doi:10.11733/j.issn.1007-0435.2006.04.016

›› 2006, Vol. 14 ›› Issue (4): 373-378.DOI: 10.11733/j.issn.1007-0435.2006.04.016

天津滨海区草坪草净光合与蒸腾速率日变化特征

刘海东¹, 杨永利², 韩烈保¹, 苏德荣¹

1. 北京林业大学草坪研究所, 省部共建森林培育与保护教育部重点实验室, 北京, 100083;
2. 天津泰达生态园林发展有限公司, 天津, 300457

收稿日期:2006-01-12 修回日期:2006-04-30 出版日期:2006-11-15 发布日期:2006-11-15
通讯作者: 韩烈保,E-mail:hanlb@t om.com
作者简介:刘海东(1979- ),男,汉族,硕士研究生,E-mail:haidong19791110@163.com
基金资助:
国家863重大课题(2002AA2Z4281)

Study on the Diurnal Variation Characteristics of Net Photosynthesis Rate and Transpiration Rate of Turfgrass in Tianjin Seashore Region

LIU Hai-dong¹, YANG Yong-li², HAN Lie-bao¹, SU De-rong¹

1. Key Laboratory for Silviculture and Conservation and Ministry of Education, Turfgrass Institute, Beijing Forestry University, Beijing 100083, China;
2. Tianjin TEDA Eco-landscape Development CO., LTD, Tianjin 300457, China

Received:2006-01-12 Revised:2006-04-30 Online:2006-11-15 Published:2006-11-15

摘要/Abstract

摘要： 研究晴天条件下4种草坪草在不同供水处理下净光合速率和蒸腾速率的日变化特点。结果表明:草地早熟禾(Poa pratensis)和日本结缕草(Zoysia japonica)的净光合速率日变化曲线为双峰型,而高羊茅(Festuca arundinacea)和匍匐翦股颖(Agrostis stolonifera)为3峰型。草地早熟禾、高羊茅、匍匐翦股颖在供水处理间净光合速率差异极显著,而日本结缕草差异不显著;4种草坪草蒸腾速率的日变化曲线均为双峰型;草地早熟禾、高羊茅在供水处理间蒸腾速率差异极显著,匍匐翦股颖差异显著,日本结缕草差异不显著;草地早熟禾与高羊茅水分条件宜在(70%~55%)W,日本结缕草和匍匐翦股颖以(55%~40%)W为宜。

关键词: 草坪草, 供水处理, 净光合速率, 蒸腾速率

Abstract: The diurnal variation characteristics of net photosynthesis rate and transpiration rate of 4 species of turfgrass with different water supply treats in sunny days were studied. The results show that the net photosynthesis rate diurnal variation curves of kentucky bluegrass and japanese lawngrass were double-peaked, while the curve of tall fescue and creeping bentgrass were three-peaked. The discrepancy of net photosynthesis rate among kentucky bluegrass, tall fescue, and creeping bentgrass with different water supply treats was extremely notable, while the variation of net photosynthesis among japanese lawngrass with different water supply treats was slight. The transpiration rate diurnal variation curves of 4 species of turfgrass were all double-peaked. The discrepancy of transpiration rate between kentucky bluegrass and tall fescue with different water supply treats was conspicuously notable. The transpiration rate of creeping bentgrass with different water supplies varied, but that of japanese lawngrass watered variably corresponded to each other. Optimal amount of watering of kentucky bluegrass and tall fescue was (70%～55%)W,while that of japanese lawngrass and of creeping bentgrass was (55%～40%)W.

Key words: Turfgrass, Water supply treats, Net photosynthesis rate, Transpiration rate

中图分类号:

S812
Q943

刘海东, 杨永利, 韩烈保, 苏德荣. 天津滨海区草坪草净光合与蒸腾速率日变化特征[J]. , 2006, 14(4): 373-378.

LIU Hai-dong, YANG Yong-li, HAN Lie-bao, SU De-rong. Study on the Diurnal Variation Characteristics of Net Photosynthesis Rate and Transpiration Rate of Turfgrass in Tianjin Seashore Region[J]. , 2006, 14(4): 373-378.

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天津滨海区草坪草净光合与蒸腾速率日变化特征

Study on the Diurnal Variation Characteristics of Net Photosynthesis Rate and Transpiration Rate of Turfgrass in Tianjin Seashore Region

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