Photosynthetic physiology of green and red Perilla frutescens varieties under drought conditions

文化大學機構典藏 CCUR > 環境規劃暨生物資源學院 > 農學院 > 園藝暨生物技術學系 > 期刊論文 > Item 987654321/48822

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题名:	Photosynthetic physiology of green and red Perilla frutescens varieties under drought conditions
作者:	Lin, KH (Lin, Kuan-Hung) Huang, MY (Huang, Meng-Yuan) Chen, CC (Chen, Chang-Chang) Chang, CC (Chang, Chien-Chi)
贡献者:	園生系
关键词:	Chlorophyll fluorescence drought photosynthesis spectral reflectance water stress tolerance
日期:	2020-09
上传时间:	2020-11-12 09:43:19 (UTC+8)
摘要:	The effects of water stress on photosynthetic pigments and secondary metabolites of two varieties of green-and purple-leaf Perilla frutescens plants were studied. Plants were grown in plastic pots for 14 days followed by water stress treatment for 10 days in a greenhouse. The trends and rates of soil water potential (SWP), leaf water content (LWC), and the maximum photochemical quantum yield (Fv/Fm) values in these two varieties were similar as the period of water stress increased from 1 to 8 days. The responses of SWP, LWC, and Fv/Fm values to water stress treatment of both varieties were adapted to a water stress period of 4 days. Purple plants exhibited significantly higher levels of anthocyanins and flavonoids than green plants under drought conditions. However, chlorophyll (Chl) a + b and carotenoids (Car) in the two varieties showed no significant differences in all water-depletion periods. The adjusted normalized difference vegetation index was significantly correlated with leaf Chl a+b, and the photochemical reflectance index was significantly correlated with Car in both species, and these can be used as indicators to characterize the physiology of these plants.
關聯:	INDIAN JOURNAL OF HORTICULTURE 卷冊: 77 期: 3 頁數: 469-477
显示于类别:	[園藝暨生物技術學系] 期刊論文

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