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:: Volume 10, Issue 1 (Spring & Summer 2025) ::
FOP 2025, 10(1): 49-70 Back to browse issues page
Effects of nanocomposites on phenological and morpho-physiological traits of Lily (Lilium LA Hybrid ‘Fangio’) under deficit irrigation conditions
Tahereh Chameh * , Zeynab Roein
Abstract:   (401 Views)
The floriculture industry is one of the main branches of modern agriculture. On the other hand, water deficit stress is one of the most important abiotic stresses that affects the growth and development of ornamental plants. One of the solutions for managing soil moisture and tolerating flowers to water deficit stress is the use of nanotechnology. This study aimed to investigate the effects of using functionalized carbon nanotubes on changes in the phenology, morphology, and physiology of the Lilium under different irrigation conditions. For this purpose, a factorial experiment was conducted in a completely randomized design with four replications in the research greenhouse of the Faculty of Agriculture, Ilam University in 2020. The experimental factors included irrigation at two levels (50 and 100% of field capacity) and polyvinyl pyrrolidone-functionalized carbon nanotubes at three levels (0, 15, and 30 mg L-1). The results showed that the highest level of cell membrane stability (59.9%) was achieved with the application of 30 mg L-1 of carbon nanotubes under well-watered conditions, which was an increase of 14% compared to the control treatment. The highest leaf relative water content (73.48%) was achieved with the application of 30 mg L-1 of carbon nanotubes, and the lowest leaf relative water content (64.62%) was achieved in the treatment without the application of carbon nanotubes. The application of carbon nanotubes increased the dry weight of the Lilium shoot under both water-deficient and well-watered conditions. The highest number of Lilium florets (7 florets) was achieved in the treatment of functionalized carbon nanotubes with a concentration of 30 mg L-1 under water deficit stress conditions, and the lowest number of Lilium florets (5 florets) was achieved in well-watered conditions. Water deficit stress increased the number of bulblets by 55.7% compared to optimal irrigation conditions. On the other hand, increasing the concentration of carbon nanotubes to 30 mg L-1 increased the number of lily bulblets by 2.2 times. Also, using 15 and 30 mg of carbon nanotubes increased the number of roots by 22.8 and 25.3%, respectively, compared to not using them. The longest flower longevity on the plant (13 days) was observed with the application of 30 mg L-1 of carbon nanotubes under well-watered conditions, and the shortest flower longevity on lily branches (6 days) was observed with the application of no carbon nanotubes under water deficit stress conditions. In general, irrigation with functionalized carbon nanotubes (30 mg L-1) is the most appropriate solution for improving physiological indices, number of florets, bulblets, roots, and flower longevity of lily under water deficit stress conditions, and is a feasible method for maintaining the quality of lily shoots.
Keywords: Drought stress, Dry matter, Flower longevity, Lilium, Nanotechnology
Full-Text [PDF 842 kb]   (46 Downloads)    
Type of Study: Research | Subject: Special
Received: 2024/11/26 | Accepted: 2025/04/7 | Published: 2025/08/19
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chameh T, Roein Z. Effects of nanocomposites on phenological and morpho-physiological traits of Lily (Lilium LA Hybrid ‘Fangio’) under deficit irrigation conditions. FOP 2025; 10 (1) :49-70
URL: http://flowerjournal.ir/article-1-330-en.html


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Volume 10, Issue 1 (Spring & Summer 2025) Back to browse issues page
گل و گیاهان زینتی Flower and Ornamental Plants
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