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Multi-Walled Carbon Nanotubes Improve the Development of Chrysanthemum x morifolium (Ramat.) Hemsl. 'Jinba' Inflorescences

文献类型： 外文期刊

作者： Li, Yanbing 1 ; Lu, Yushan 2 ; Fu, Jiaojiao 4 ; Chen, Benxue 1 ; Fu, Li 6 ; Huang, Xiaorong 2 ; Wei, Zunzheng 2 ; Zheng, Yuhong 4 ; Zeng, Zhen 2 ;

作者机构： 1.Zhoukou Normal Univ, Zhoukou 466000, Peoples R China

2.Beijing Acad Agr & Forestry Sci BAAFS, Inst Grassland Flowers & Ecol, Beijing 100097, Peoples R China

3.Hebei Normal Univ Sci & Technol, Hebei Higher Inst Applicat Technol Res & Dev Ctr H, Coll Hort Sci & Technol, Hebei Key Lab Hort Germplasm Excavat & Innovat Uti, Qinhuangdao 066004, Peoples R China

4.Inst Bot, Jiangsu Prov, Nanjing, Jiangsu, Peoples R China

5.Chinese Acad Sci Nanjing Bot Garden, Mem Sun Yat Sen, Nanjing 210014, Peoples R China

6.Hangzhou Dianzi Univ, Coll Mat & Environm Engn, Hangzhou 310018, Peoples R China

关键词： MWCNT; cut flowers; chrysanthemum; quality; development of inflorescences

期刊名称：HORTICULTURAE （ 影响因子：3.1； 五年影响因子：3.4 ）

ISSN：

年卷期： 2024 年 10 卷 4 期

页码：

收录情况： SCI

摘要： The application of cut flower preservation technology can significantly enhance both the ornamental and economic value of fresh-cut flowers. Research on vase solutions has become a concentrated area in current studies on cut flower preservation. Multi-walled carbon nanotubes (MWCNTs), as a type of carbon nanomaterial with bactericidal and membrane-penetrating properties, can be used as a component in vase solutions. This supplementation of energy substances aims to improve antioxidant enzyme activity, thereby enhancing the postharvest quality of cut chrysanthemums. In this study, deionized water and a standard preservative solution were employed as control groups to compare the effects of MWCNTs applied at different concentrations, combined with common preservatives such as sugar and 8-hydroxyquinoline, on the postharvest flowering and preservation of Chrysanthemum x morifolium 'Jinba'. By observing the distribution of MWCNTs in the tissues surrounding the cut and changes in water content, carbon sources, osmoregulatory substance levels, and the expression of relevant key genes, a formulation with excellent postharvest treatment effects was identified. Preliminary investigations into its action and mechanism were also conducted. The results indicated that the combined treatment with 5 mg L-1 MWCNTs, 30 g L-1 sucrose, and 0.2 g L-1 8-hydroxyquinoline effectively promoted water and sugar uptake in chrysanthemum flowers, accelerating bud opening, maintaining larger inflorescence diameter, and extending the vase life. Ultimately, this enhanced the ornamental value of cut chrysanthemums. These research findings provide theoretical and experimental foundations for the application of multi-walled carbon nanotubes as auxiliary additives to improve the ornamental quality of cut flowers.

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