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Photosynthetic characteristics of two alpine flowers, Meconopsis integrifolia and Primula sinopurpurea
Zhang, Shi-Bao1; Chang, Wei2; Hu, Hong2
Corresponding Authorsbzhang@mail.kib.ac.cn
2010-07-01
Source PublicationJOURNAL OF HORTICULTURAL SCIENCE & BIOTECHNOLOGY
ISSN1462-0316
Volume85Issue:4Pages:335-340
AbstractMeconopsis 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.
Subject AreaHorticulture
Indexed BySCI
Language英语
WOS Research AreaAgriculture
WOS SubjectHorticulture
WOS IDWOS:000280217400012
Citation statistics
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/14097
Collection资源植物与生物技术所级重点实验室
Affiliation1.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
Recommended Citation
GB/T 7714
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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