Volume 14, Issue 68 (vol. 14, no. 68 2025)
2025, 14(68): 87-98 |
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Ghamari Zare N, Yousefi Javan I, Naseri M, Ghamari Zare A. The effect of different spectrums of LED light on the growth and essential oil components of Lavandula angustifolia. Plant Process and Function 2025; 14 (68) : 6
URL: http://jispp.iut.ac.ir/article-1-2128-en.html
URL: http://jispp.iut.ac.ir/article-1-2128-en.html
1- Department of Plant Production, Faculty of Agriculture, University of Torbat Heydarieh, Torbat Heydarieh, Iran
2- Department of Plant Production, Faculty of Agriculture, University of Torbat Heydarieh, Torbat Heydarieh, Iran ,Iman.javan@torbath.ac.ir
3- Research Institute of Forests and Rangelands, Agricultural Research, Education and Extension Organization, Tehran, Iran
2- Department of Plant Production, Faculty of Agriculture, University of Torbat Heydarieh, Torbat Heydarieh, Iran ,
3- Research Institute of Forests and Rangelands, Agricultural Research, Education and Extension Organization, Tehran, Iran
Abstract: (170 Views)
Lavandula Angustifolia is one of the important medicinal and aromatic plants that has various uses in the pharmaceutical, cosmetic, and health industries. For this reason, in this research, the effect of light with different wavelengths on the growth parameters and the amount of essential oil produced and the essential components of the lavender plant has been investigated. Lavender plants in a chamber containing LED lamps with a light spectrum of red (100%), blue (100%), red + blue, white (100%), green (100%), and yellow (100%) with a light intensity of 300 μmol per square meter per second were placed in greenhouse conditions. After a period of 14 and 30 days, the growth characteristics and the amount of essential oil production and essential oil components were measured. The results showed that the plants grew the most in the red light treatment. So that during 14 and 30 days in red light treatment, they had the highest fresh weight (0.98 grams), dry weight (0.43 grams), and intermodal distance (27 cm). Also, the lowest growth rate was observed in plants treated with green light. The measurement of essential oil of the lavender plant showed that, in blue + red light treatment for 30 days, the amount of essential oil production (0.5 g) in plants increased significantly compared to other light treatments. The results of the analysis of lavender essential oil components revealed that in red light treatment, a higher variety of secondary metabolites was obtained than in other light treatments. It is suggested to use artificial light sources such as LED as alternative light sources in greenhouses to improve growth and increase effective substances.
Article number: 6
Type of Study: Research |
Subject:
Horticulture
Received: 2024/10/11 | Accepted: 2025/02/24 | Published: 2025/10/29
Received: 2024/10/11 | Accepted: 2025/02/24 | Published: 2025/10/29
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