两种主要油用牡丹光合特性及其微环境影响因子分析

doi:10.7525/j.issn.1673-5102.2014.06.009

植物研究 ›› 2014, Vol. 34 ›› Issue (6): 770-775.doi: 10.7525/j.issn.1673-5102.2014.06.009

两种主要油用牡丹光合特性及其微环境影响因子分析

1.东北林业大学森林植物生态学教育部重点实验室，哈尔滨　150040；
2.中国科学院东北地理与农业生态研究所，长春　130102；
3.黑龙江省科学院自然与生态研究所，哈尔滨　150040

收稿日期:2014-06-27 出版日期:2014-11-20 发布日期:2015-01-06
通讯作者: E-mail:yangfj@nefu.edu.cn
基金资助:

Photosynthetic Characteristics and Its Micro-environmental Limiting Factors of Two Main Oil Peony

1.Key Laboratory of Forest Plant Ecology,Ministry of Education,Northeast Forestry University,Harbin　150040；
2.Northeast Institute of Geography and Agricultural Ecology,CAS,Changchun　130012；
3.Natural Resources & Ecology Institute,Heilongjiang Academy of Science,Harbin　150040

Received:2014-06-27 Online:2014-11-20 Published:2015-01-06
Supported by:

摘要/Abstract

摘要： 研究凤丹（Paeonia ostii）和紫斑牡丹（Paeonia rockii）的光合特性及其微环境限制因素对于油用牡丹的栽培推广具有重要的意义，本文分别选取凤丹和紫斑牡丹的原始集中产区安徽铜陵和甘肃兰州，对其光合特性及其微环境因子进行测定，分析其光合作用的限制因子。结果表明：在安徽铜陵凤凰山高温干旱期，叶片温度是其光合作用的最主要限制因素，叶片温度达到31℃时，叶片呼吸速率受到抑制；温度达到32℃时，气孔导度和光合速率被逆转，温度达到33℃，出现生理性损伤。在甘肃兰州，空气相对湿度影响是紫斑牡丹光合作用特性的最主要影响因素，其决定光饱和点发育、气孔导度、蒸腾速率和水分利用效率。适当遮荫的林缘生境和林窗生境是凤丹和紫斑牡丹生长的最适宜环境。

关键词: 凤丹, 紫斑牡丹, 光合特性, 微环境

Abstract: It is important to study photosynthetic characteristics and micro-environmental constraints of Paeonia ostii and Paeonia rockii for the cultivation and promotion of oil peony. We selected P.ostii(Tongling, Anhui) and P.rockii(Lanzhou, Gansu) to measure the photosynthetic characteristics and micro-environmental factors, and analyzed photosynthesis limiting factors. At Phoenix Mountain (Tongling, Anhui), leaf temperature was the main limiting factor of photosynthesis in high temperature and drought seasons. When the temperature reached 31℃, the respiration rate was inhibited, and when the temperature reached 32℃, stomatal conductance and photosynthetic rate were reversed, and when the temperature reached 33 degrees, physiological damage appeared. At Gansu zhongchuan peony garden, the relative humidity was the most important influencing factor of photosynthesis characteristics, which determined the light saturation point, stomatal conductance, transpiration rate and water use efficiency of P.rockii. An appropriate shade habitat of the forest edge or forest gap is the most suitable environment for the growth of P.ostii and P.rockii.

Key words: ,

Paeonia ostii, Paeonia rockii, photosynthetic characteristics, micro-environmental factors

中图分类号:

张衷华1,2；唐中华1；杨逢建1*；王化3；张军1；祖元刚1. 两种主要油用牡丹光合特性及其微环境影响因子分析[J]. 植物研究, 2014, 34(6): 770-775.

ZHANG Zhong-Hua1,2；TANG Zhong-Hua1；YANG Feng-Jian1*；WANG Hua3；ZHANG Jun1；ZU Yuan-Gang1. Photosynthetic Characteristics and Its Micro-environmental Limiting Factors of Two Main Oil Peony[J]. Bulletin of Botanical Research, 2014, 34(6): 770-775.

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两种主要油用牡丹光合特性及其微环境影响因子分析

Photosynthetic Characteristics and Its Micro-environmental Limiting Factors of Two Main Oil Peony

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