Photosynthetic characteristics of two alpine flowers, Meconopsis integrifolia and Primula sinopurpurea
Zhang, Shi-Bao1; Chang, Wei2; Hu, Hong2
2010-07-01
发表期刊JOURNAL OF HORTICULTURAL SCIENCE & BIOTECHNOLOGY
ISSN1462-0316
卷号85期号:4页码:335-340
摘要Meconopsis integrifolia and Primula sinopurpurea are ornamental plants native to high elevations in the Himalayas, thus cultivating them at lower altitudes poses challenges. In order to understand the physiological adaptability of M. integrifolia and P sinopurpurea to the different environments which are needed for the introduction and domestication of wild flowers, this study investigated their photosynthetic performance at lower altitudes in a nursery at an altitude of 3,260 m asl, and their photosynthetic responses to varying light and temperature conditions. On a clear day, the maximum photosynthetic rates in both species occurred at approx. 11:00 h, then decreased, indicating photo-inhibition at midday. Stomatal limitation played an important role in the depression of photosynthesis at midday. Although M. integrifolia had a lower light-saturated photosynthetic rate than P sinopurpurea, the daily mean photosynthetic rates of the two species were not significantly different. Photosynthesis in both alpine flowers was considerably sensitive to high temperature. The significant decreases in photosynthetic rates in P sinopurpurea and M. integrifolia at higher temperatures would limit their photosynthetic performance and growth at low altitudes.
资助信息The authors thank Guang-You Hao and Yong-Jiang Zhang for improving the English of the manuscript. This project was supported by the Natural Science Foundation of China (Grant No. 30770226), the Natural Science Foundation of Yunnan (Grant No. 2006C0043Q), and the West Light Foundation of the Chinese Academy of Sciences.
学科领域Horticulture
收录类别SCI
语种英语
WOS研究方向Agriculture
WOS类目Horticulture
WOS记录号WOS:000280217400012
引用统计
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/14097
专题资源植物与生物技术所级重点实验室
作者单位1.Chinese Acad Sci, Key Lab Trop Forest Ecol, Xishuangbanna Trop Bot Garden, Kunming 650223, Yunnan, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China
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Zhang, Shi-Bao,Chang, Wei,Hu, Hong. Photosynthetic characteristics of two alpine flowers, Meconopsis integrifolia and Primula sinopurpurea[J]. JOURNAL OF HORTICULTURAL SCIENCE & BIOTECHNOLOGY,2010,85(4):335-340.
APA Zhang, Shi-Bao,Chang, Wei,&Hu, Hong.(2010).Photosynthetic characteristics of two alpine flowers, Meconopsis integrifolia and Primula sinopurpurea.JOURNAL OF HORTICULTURAL SCIENCE & BIOTECHNOLOGY,85(4),335-340.
MLA Zhang, Shi-Bao,et al."Photosynthetic characteristics of two alpine flowers, Meconopsis integrifolia and Primula sinopurpurea".JOURNAL OF HORTICULTURAL SCIENCE & BIOTECHNOLOGY 85.4(2010):335-340.
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