1
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Zhao H, Wang S, Yang R, Yang D, Zhao Y, Kuang J, Chen L, Zhang R, Hu H. Side chain of confined xylan affects cellulose integrity leading to bending stem with reduced mechanical strength in ornamental plants. Carbohydr Polym 2024; 329:121787. [PMID: 38286554 DOI: 10.1016/j.carbpol.2024.121787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 12/28/2023] [Accepted: 01/04/2024] [Indexed: 01/31/2024]
Abstract
The stem support for fresh-cut flowers exerts a profound influence on the display of their blossoms. During vase insertion, bending stems significantly affect the ornamental value, but much remains unclear about the underlying reasons. In this study, six pairs of ornamental plants were screened for the contrast of bending and straight stems. The bending stems have weakened mechanical force and biomass recalcitrance compared with the straight ones. Meanwhile, cells in the bending stems became more loosely packed, along with a decrease in cell wall thickness and cellulose levels. Furthermore, wall properties characterizations show bending stems have decreased lignocellulosic CrI and cellulose DP, and enhanced the branching ratio of hemicellulose which is trapped in the cellulose. Given the distinct cell wall factors in different species, all data are grouped in standardized to eliminate the variations among plant species. The principal composition analysis and correlation analysis of the processed dataset strongly suggest that cellulose association factors determine the stem mechanical force and recalcitrance. Based on our results, we propose a model for how branches of confined hemicellulose interacted with cellulose to modulate stem strength support for the straight or bending phenotype in cut flowers.
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Affiliation(s)
- Hanqian Zhao
- Yunnan Province Engineering Research Center for Functional Flower Resources and Industrialization, College of Landscape Architecture and Horticulture Sciences, Southwest Forestry University, Kunming 650224, China
| | - Sha Wang
- Yunnan Province Engineering Research Center for Functional Flower Resources and Industrialization, College of Landscape Architecture and Horticulture Sciences, Southwest Forestry University, Kunming 650224, China
| | - Runjie Yang
- Yunnan Province Engineering Research Center for Functional Flower Resources and Industrialization, College of Landscape Architecture and Horticulture Sciences, Southwest Forestry University, Kunming 650224, China
| | - Dongmei Yang
- Yunnan Province Engineering Research Center for Functional Flower Resources and Industrialization, College of Landscape Architecture and Horticulture Sciences, Southwest Forestry University, Kunming 650224, China
| | - Yongjing Zhao
- Yunnan Province Engineering Research Center for Functional Flower Resources and Industrialization, College of Landscape Architecture and Horticulture Sciences, Southwest Forestry University, Kunming 650224, China
| | - Jianhua Kuang
- Yunnan Province Engineering Research Center for Functional Flower Resources and Industrialization, College of Landscape Architecture and Horticulture Sciences, Southwest Forestry University, Kunming 650224, China
| | - Longqing Chen
- Yunnan Province Engineering Research Center for Functional Flower Resources and Industrialization, College of Landscape Architecture and Horticulture Sciences, Southwest Forestry University, Kunming 650224, China
| | - Ran Zhang
- School of Agriculture, Yunnan University, Kunming 650091, China; College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China.
| | - Huizhen Hu
- Yunnan Province Engineering Research Center for Functional Flower Resources and Industrialization, College of Landscape Architecture and Horticulture Sciences, Southwest Forestry University, Kunming 650224, China.
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2
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Saeedi SA, Vahdati K, Sarikhani S, Daylami SD, Davarzani M, Gruda NS, Aliniaeifard S. Growth, photosynthetic function, and stomatal characteristics of Persian walnut explants in vitro under different light spectra. FRONTIERS IN PLANT SCIENCE 2023; 14:1292045. [PMID: 38046599 PMCID: PMC10690960 DOI: 10.3389/fpls.2023.1292045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Accepted: 10/31/2023] [Indexed: 12/05/2023]
Abstract
Light plays a crucial role in photosynthesis, which is an essential process for plantlets produced during in vitro tissue culture practices and ex vitro acclimatization. LED lights are an appropriate technology for in vitro lighting but their effect on propagation and photosynthesis under in vitro condition is not well understood. This study aimed to investigate the impact of different light spectra on growth, photosynthetic functionality, and stomatal characteristics of micropropagated shoots of Persian walnut (cv. Chandler). Tissue-cultured walnut nodal shoots were grown under different light qualities including white, blue, red, far-red, green, combination of red and blue (70:30), combination of red and far-red (70:30), and fluorescent light as the control. Results showed that the best growth and vegetative characteristics of in vitro explants of Persian walnut were achieved under combination of red and blue light. The biggest size of stomata was detected under white and blue lights. Red light stimulated stomatal closure, while stomatal opening was induced under blue and white lights. Although the red and far-red light spectra resulted in the formation of elongated explants with more lateral shoots and anthocyanin content, they significantly reduced the photosynthetic functionality. Highest soluble carbohydrate content and maximum quantum yield of photosystem II were detected in explants grown under blue and white light spectra. In conclusion, growing walnut explants under combination of red and blue lights leads to better growth, photosynthesis functionality, and the emergence of functional stomata in in vitro explants of Persian walnuts.
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Affiliation(s)
- Seyyed Arash Saeedi
- Department of Horticulture, College of Aburaihan, University of Tehran, Tehran, Iran
| | - Kourosh Vahdati
- Department of Horticulture, College of Aburaihan, University of Tehran, Tehran, Iran
| | - Saadat Sarikhani
- Department of Horticulture, College of Aburaihan, University of Tehran, Tehran, Iran
| | | | - Maryam Davarzani
- Department of Horticulture, College of Aburaihan, University of Tehran, Tehran, Iran
| | - Nazim S. Gruda
- Department of Horticultural Science, INRES–Institute of Crop Science and Resource Conservation, University of Bonn, Bonn, Germany
| | - Sasan Aliniaeifard
- Department of Horticulture, College of Aburaihan, University of Tehran, Tehran, Iran
- Controlled Environment Agriculture Center (CEAC), College of Agriculture and Natural Resources, University of Tehran, Tehran, Iran
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3
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Ma Z, Zhang K, Guo W, Yu W, Wang J, Li J. Green synthesis of silver nanoparticles using Eucommia ulmoides leaf extract for inhibiting stem end bacteria in cut tree peony flowers. FRONTIERS IN PLANT SCIENCE 2023; 14:1176359. [PMID: 37324696 PMCID: PMC10266105 DOI: 10.3389/fpls.2023.1176359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 05/02/2023] [Indexed: 06/17/2023]
Abstract
Tree peony ( Paeonia suffruticosa Andr.) is a popular cut flower among ornamental plants. However, its short vase life severely hinders the production and application of cut tree peony flowers. To extend the postharvest longevity and improve the horticultural value, silver nanoparticles (Ag-NPs) was applied for reducing bacterial proliferation and xylem blockage in cut tree peony flowers in vitro and in vivo. Ag-NPs was synthesized with the leaf extract of Eucommia ulmoides and characterized. The Ag-NPs aqueous solution showed inhibitory activity against bacterial populations isolated from stem ends of cut tree peony 'Luoyang Hong' in vitro. The minimum inhibitory concentration (MIC) was 10 mg L-1. Compared with the control, pretreatments with Ag-NPs aqueous solution at 5 and 10 mg L-1 for 24 h increased flower diameter, relative fresh weight (RFW), and water balance of tree peony 'Luoyang Hong' flowers. Additionally, malondialdehyde (MDA) and H2O2 content in pretreated petals were lower than the control during the vase life. The activities of superoxide dismutase (SOD) and catalase (CAT) in pretreated petals were lower than that of the control at the early vase stage and higher at the late vase life. Furthermore, pretreatments with Ag-NPs aqueous solution at 10 mg L-1 for 24 h could reduce bacterial proliferation in the xylem vessels on the stem ends by confocal laser scanning microscope (CLSM) and scanning electron microscope (SEM). Overall, pretreatments with green synthesized Ag-NPs aqueous solution effectively reduced bacteria-induced xylem blockage of cut tree peony, resulting in improved water uptake, extended vase life, and enhanced postharvest quality. Therefore, this technique can be used as a promising postharvest technology in the cut flower industry.
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Affiliation(s)
- Zhanqiang Ma
- College of Agriculture, Henan University of Science and Technology, Luoyang, China
| | - Kaiyue Zhang
- College of Agriculture, Henan University of Science and Technology, Luoyang, China
| | - Wei Guo
- College of Agriculture, Henan University of Science and Technology, Luoyang, China
| | - Weiwei Yu
- College of Agriculture, Henan University of Science and Technology, Luoyang, China
| | - Junzhe Wang
- College of Agriculture, Henan University of Science and Technology, Luoyang, China
| | - Juan Li
- School of Environmental Engineering and Chemistry, Luoyang Institute of Science and Technology, Luoyang, China
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Trivellini A, Toscano S, Romano D, Ferrante A. The Role of Blue and Red Light in the Orchestration of Secondary Metabolites, Nutrient Transport and Plant Quality. PLANTS (BASEL, SWITZERLAND) 2023; 12:2026. [PMID: 37653943 PMCID: PMC10223693 DOI: 10.3390/plants12102026] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/17/2023] [Accepted: 05/17/2023] [Indexed: 07/30/2023]
Abstract
Light is a fundamental environmental parameter for plant growth and development because it provides an energy source for carbon fixation during photosynthesis and regulates many other physiological processes through its signaling. In indoor horticultural cultivation systems, sole-source light-emitting diodes (LEDs) have shown great potential for optimizing growth and producing high-quality products. Light is also a regulator of flowering, acting on phytochromes and inducing or inhibiting photoperiodic plants. Plants respond to light quality through several light receptors that can absorb light at different wavelengths. This review summarizes recent progress in our understanding of the role of blue and red light in the modulation of important plant quality traits, nutrient absorption and assimilation, as well as secondary metabolites, and includes the dynamic signaling networks that are orchestrated by blue and red wavelengths with a focus on transcriptional and metabolic reprogramming, plant productivity, and the nutritional quality of products. Moreover, it highlights future lines of research that should increase our knowledge to develop tailored light recipes to shape the plant characteristics and the nutritional and nutraceutical value of horticultural products.
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Affiliation(s)
- Alice Trivellini
- Department of Agriculture, Food and Environment, Università degli Studi di Catania, 95131 Catania, Italy;
| | - Stefania Toscano
- Department of Science Veterinary, Università degli Studi di Messina, 98168 Messina, Italy;
| | - Daniela Romano
- Department of Agriculture, Food and Environment, Università degli Studi di Catania, 95131 Catania, Italy;
| | - Antonio Ferrante
- Department of Agricultural and Environmental Sciences—Production, Landscape, Agroenergy, Università degli Studi di Milano, 20133 Milan, Italy;
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Trivellini A, Toscano S, Romano D, Ferrante A. LED Lighting to Produce High-Quality Ornamental Plants. PLANTS (BASEL, SWITZERLAND) 2023; 12:1667. [PMID: 37111890 PMCID: PMC10144751 DOI: 10.3390/plants12081667] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/11/2023] [Accepted: 04/13/2023] [Indexed: 06/19/2023]
Abstract
The flexibility of LED technology, in terms of energy efficiency, robustness, compactness, long lifetime, and low heat emission, as well as its applications as a sole source or supplemental lighting system, offers interesting potential, giving the ornamental industry an edge over traditional production practices. Light is a fundamental environmental factor that provides energy for plants through photosynthesis, but it also acts as a signal and coordinates multifaceted plant-growth and development processes. With manipulations of light quality affecting specific plant traits such as flowering, plant architecture, and pigmentation, the focus has been placed on the ability to precisely manage the light growing environment, proving to be an effective tool to produce tailored plants according to market request. Applying lighting technology grants growers several productive advantages, such as planned production (early flowering, continuous production, and predictable yield), improved plant habitus (rooting and height), regulated leaf and flower color, and overall improved quality attributes of commodities. Potential LED benefits to the floriculture industry are not limited to the aesthetic and economic value of the product obtained; LED technology also represents a solid, sustainable option for reducing agrochemical (plant-growth regulators and pesticides) and energy inputs (power energy).
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Affiliation(s)
- Alice Trivellini
- Department of Agriculture, Food and Environment, Università degli Studi di Catania, 95131 Catania, Italy;
| | - Stefania Toscano
- Department of Science Veterinary, Università degli Studi di Messina, 98168 Messina, Italy;
| | - Daniela Romano
- Department of Agriculture, Food and Environment, Università degli Studi di Catania, 95131 Catania, Italy;
| | - Antonio Ferrante
- Department of Agricultural and Environmental Sciences—Production, Landscape, Agroenergy, Università degli Studi di Milano, 20133 Milan, Italy;
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Thakur M, Verma V, Chandel A, Kumar R, Sharma T, Kumar A, Bhardwaj S, Kumar R, Bhargava B. Lemon grass essential oil improves Gladiolus grandiflorus postharvest life by modulating water relations, microbial growth, biochemical activity, and gene expression. Sci Rep 2023; 13:2630. [PMID: 36788264 PMCID: PMC9929329 DOI: 10.1038/s41598-023-28829-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 01/25/2023] [Indexed: 02/16/2023] Open
Abstract
Gladiolus (Gladiolus grandiflorus Andrews) is a high-valued bulbous cut flower. However, the shorter postharvest life of the gladiolus, limits its marketing and commercial value. In the present investigation, the effect of lemon grass (LG) essential oil as an antimicrobial agent was studied towards increasing the vase life of gladiolus. The results revealed that as compared to control (distilled water), treatment with a lower concentration of 5 µL L-1 LG essential oil prolonged the vase life of gladiolus up to 11 days (d). Scanning Electron Microscope (SEM) observation indicated that the sample treated with 5 µL L-1 LG essential oil showed intact vasculature, suggesting reduced microbial blockage at the stem end which was further corroborated by microbial count. Biochemical analysis suggested an increased level of total soluble sugars, carotenoid content, lower MDA accumulation, and higher activity of antioxidant enzymes in LG treated flowers. Moreover, transcripts levels of genes associated with senescence viz., GgCyP1 and GgERS1a were downregulated, while expression of GDAD1 and antioxidant genes such as GgP5C5, GgPOD 1, GgMnSOD, and GgCAT1 were upregulated in LG treated cut spikes as compared to control. Among various treatments we have concluded that, the vase life of the gladiolus cut spike was improved along with the relative fresh flower weight and diameter of flower at the lower dose of 5 µL L-1 LG oil in the vase solution. Thus, LG oil as an eco-friendly agent has the potential to extend the postharvest life of cut flowers.
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Affiliation(s)
- Meenakshi Thakur
- grid.417640.00000 0004 0500 553XFloriculture Laboratory, Agrotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, India
| | - Vipasha Verma
- grid.417640.00000 0004 0500 553XFloriculture Laboratory, Agrotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, India
| | - Anjali Chandel
- grid.417640.00000 0004 0500 553XFloriculture Laboratory, Agrotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, India ,grid.469887.c0000 0004 7744 2771Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002 India
| | - Raghawendra Kumar
- grid.417640.00000 0004 0500 553XFloriculture Laboratory, Agrotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, India
| | - Tanvi Sharma
- grid.469887.c0000 0004 7744 2771Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002 India
| | - Akhil Kumar
- grid.417640.00000 0004 0500 553XFloriculture Laboratory, Agrotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, India
| | - Sonali Bhardwaj
- grid.417640.00000 0004 0500 553XFloriculture Laboratory, Agrotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, India
| | - Rakshak Kumar
- grid.469887.c0000 0004 7744 2771Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002 India ,grid.417640.00000 0004 0500 553XBiotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, India
| | - Bhavya Bhargava
- Floriculture Laboratory, Agrotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India.
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7
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Gururani MA, Atteya AK, Elhakem A, El-Sheshtawy ANA, El-Serafy RS. Essential oils prolonged the cut carnation longevity by limiting the xylem blockage and enhancing the physiological and biochemical levels. PLoS One 2023; 18:e0281717. [PMID: 36881583 PMCID: PMC9990951 DOI: 10.1371/journal.pone.0281717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 01/31/2023] [Indexed: 03/08/2023] Open
Abstract
Postharvest characteristics, such as vase life and antimicrobial preservation of commercial cut flowers are some of the major determinants of their market value worldwide. Extending vase life while restricting microbial proliferation in cut flowers is an important challenge faced by floricultural researchers. This study evaluates the preservative efficiency of different essential oils used as additive solutions in prolonging the longevity of carnation cv. Madam Collette cut flowers and restricting microbial growth in them. Cut carnations were treated with four essential oils: geranium, thyme, marjoram, and anise at concentrations of 0, 25, 50, and 75 mg/L. While treatment with all the essential oils prolonged the longevity of the cut flowers, thyme and marjoram oils were most effective at concentrations of 50 mg/L each. The vase life of thyme-treated and marjoram-treated carnations almost doubled to 18.5 days and 18.25 days, respectively, as compared to untreated flowers. Treatment with essential oils also led to an increase in water uptake by the cut flowers enhancing their relative water content (RWC). It also restricted the sharp decline of chlorophyll and total carbohydrates content of the flowers during their vase life period. Morphological features of the stem bases of treated and untreated carnations were analyzed using scanning electron microscopy (SEM). The stem ends of geranium and anise-treated carnations showed less bacterial growth than untreated flowers and no apparent xylem blockage was observed even after nine days of treatment. Furthermore, the presence of essential oils also reduced lipid peroxidation and free radical generation as observed by malondialdehyde (MDA) and H2O2 quantification, respectively. It also led to increased production of total phenols leading to enhanced membrane stability. The use of thyme and marjoram essential oils as antimicrobial preservatives and green antioxidants appears to have promising applications in both the industrial and scientific sectors.
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Affiliation(s)
- Mayank A. Gururani
- Biology Department, College of Science, United Arab Emirates University, Al Ain, UAE
| | - Amira K. Atteya
- Faculty of Agriculture, Horticulture Department, Damanhour University, Damanhour, Egypt
| | - Abeer Elhakem
- Department of Biology, College of Sciences and Humanities, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | | | - Rasha S. El-Serafy
- Horticulture Department, Faculty of Agriculture, Tanta University, Tanta, Egypt
- * E-mail:
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Moosavi-Nezhad M, Alibeigi B, Estaji A, Gruda NS, Aliniaeifard S. Growth, Biomass Partitioning, and Photosynthetic Performance of Chrysanthemum Cuttings in Response to Different Light Spectra. PLANTS (BASEL, SWITZERLAND) 2022; 11:3337. [PMID: 36501376 PMCID: PMC9735900 DOI: 10.3390/plants11233337] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 11/26/2022] [Accepted: 11/29/2022] [Indexed: 06/17/2023]
Abstract
Chrysanthemum (Chrysanthemum morifolium) is among the most popular ornamental plants, propagated mainly through stem cuttings. There is a lack of information regarding the impact of the lighting environment on the successful production of cuttings and underlying mechanisms. The light spectrum affects plant morphology, growth, and photosynthesis. In the present study, chrysanthemum, cv. 'Katinka' cuttings, were exposed to five lighting spectra, including monochromatic red (R), blue (B) lights, and multichromatic lights, including a combination of R and B (R:B), a combination of R, B, and far red (R:B:FR) and white (W), for 30 days. B light enhanced areal growth, as indicated by a higher shoot mass ratio, while R light directed the biomass towards the underground parts of the cuttings. Monochromatic R and B lights promoted the emergence of new leaves. In contrast, individual leaf area was largest under multichromatic lights. Exposing the cuttings to R light led to the accumulation of carbohydrates in the leaves. Cuttings exposed to multichromatic lights showed higher chlorophyll content than monochromatic R- and B-exposed cuttings. Conversely, carotenoid and anthocyanin contents were the highest in monochromatic R- and B-exposed plants. B-exposed cuttings showed higher photosynthetic performance, exhibited by the highest performance index on the basis of light absorption, and maximal quantum yield of PSII efficiency. Although R light increased biomass toward roots, B light improved above-ground growth, photosynthetic functionality, and the visual performance of Chrysanthemum cuttings.
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Affiliation(s)
- Moein Moosavi-Nezhad
- Photosynthesis Laboratory, Department of Horticulture, Aburaihan Campus, University of Tehran, Pakdasht P.O. Box 33916-53755, Iran
- Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695, USA
| | - Boshra Alibeigi
- Department of Horticultural Sciences, Campus of Agriculture and Natural Resources, University of Tehran, Karaj P.O. Box 31587-77871, Iran
| | - Ahmad Estaji
- Department of Horticultural Sciences, Faculty of Agriculture, Vali-E-Asr University of Rafsanjan, Rafsanjan P.O. Box 77188-97111, Iran
| | - Nazim S. Gruda
- Department of Horticultural Science, INRES–Institute of Crop Science and Resource Conservation, University of Bonn, 53121 Bonn, Germany
| | - Sasan Aliniaeifard
- Photosynthesis Laboratory, Department of Horticulture, Aburaihan Campus, University of Tehran, Pakdasht P.O. Box 33916-53755, Iran
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Yang J, Song J, Jeong BR. Blue Light Supplemented at Intervals in Long-Day Conditions Intervenes in Photoperiodic Flowering, Photosynthesis, and Antioxidant Properties in Chrysanthemums. Antioxidants (Basel) 2022; 11:antiox11122310. [PMID: 36552519 PMCID: PMC9774458 DOI: 10.3390/antiox11122310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 11/18/2022] [Accepted: 11/21/2022] [Indexed: 11/24/2022] Open
Abstract
The flowering of chrysanthemum (Chrysanthemum morifolium Ramat.), inhibited by long-day lighting, can be reversed with a short period of low supplemental blue light (S-BL). Both flowering and the reactive oxygen species (ROS) scavenging processes are primarily driven by sugars created by photosynthetic carbon assimilation. In addition, the antioxidant ability potentially affects flowering in photoperiod- and/or circadian rhythm-dependent manners. This indicates that there is an interactive relationship among blue (B) light, photosynthetic efficiency, sugar accumulation, and antioxidant ability in flowering regulation. Here, 4 h of 30 μmol·m-2·s-1 photosynthetic photon flux density (PPFD) S-BL was applied at the end of a 13-h long-day period (LD13 + 4B) at different intervals during 60 days of experimental duration. The five experimental groups were named according to the actual number of days of S-BL and their intervals: applied once every day, "60 days-(LD13 + 4B) (100.0%)"; once every other day, "30 days-(LD13 + 4B) (50.0%)"; once every three days, "15 days-(LD13 + 4B) (25.0%)"; once every five days, "10 days-(LD13 + 4B) (16.7%)"; and once every seven days, "7 days-(LD13 + 4B) (11.7%)". Two non-S-BL control groups were also included: 60 10-h short days (60 days-SD10) and 13-h long days (60 days-LD13). At the harvest stage, varying degrees of flowering were observed except in "60 days-LD13" and "7 days-(LD13 + 4B) (11.7%)". The number of flowers increased and the flower buds appeared earlier as the proportion of S-BL days increased in LD13 conditions, although the "60 days-SD10" gave the earliest flowering. The proportion of initial, pivotal, and optimal flowering was 16.7% ("10 days-(LD13 + 4B)"), 50.0% ("30 days-(LD13 + 4B)"), and 100.0% ("60 days-(LD13 + 4B)"), respectively. Meanwhile, a series of physiological parameters such as the production of enzymatic or non-enzymatic antioxidants, chlorophyll content, photosynthetic efficiency, enzyme activities, and carbohydrate accumulation were significantly improved by "30 days-(LD13 + 4B) (50.0%)" as a turning point until the peaks appeared in "60 days-(LD13 + 4B) (100.0%)", as well as the expression of florigenic or anti-florigenic and some antioxidant-synthetic genes. Furthermore, the results of principal component analysis (PCA) indicated that S-BL days positively regulated flowering, photosynthesis, carbohydrate accumulation, and antioxidant production. In aggregate, the pivotal and optimal proportions of S-BL days to reconcile the relationship among flowering, photosynthetic carbon assimilation, and antioxidant ability were 50.0% and 100.0%, respectively. However, there are still significant gaps to be filled in order to determine the specific involvement of blue light and antioxidant abilities in flowering regulation.
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Affiliation(s)
- Jingli Yang
- Department of Horticulture, Division of Applied Life Science (BK21 Four), Graduate School of Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Jinnan Song
- Department of Horticulture, Division of Applied Life Science (BK21 Four), Graduate School of Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Byoung Ryong Jeong
- Department of Horticulture, Division of Applied Life Science (BK21 Four), Graduate School of Gyeongsang National University, Jinju 52828, Republic of Korea
- Institute of Agriculture and Life Science, Gyeongsang National University, Jinju 52828, Republic of Korea
- Research Institute of Life Science, Gyeongsang National University, Jinju 52828, Republic of Korea
- Correspondence: ; Tel.: +82-55-772-1913
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Lastochkina O, Aliniaeifard S, SeifiKalhor M, Bosacchi M, Maslennikova D, Lubyanova A. Novel Approaches for Sustainable Horticultural Crop Production: Advances and Prospects. HORTICULTURAE 2022; 8:910. [DOI: 10.3390/horticulturae8100910] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/23/2023]
Abstract
Reduction of plant growth, yield and quality due to diverse environmental constrains along with climate change significantly limit the sustainable production of horticultural crops. In this review, we highlight the prospective impacts that are positive challenges for the application of beneficial microbial endophytes, nanomaterials (NMs), exogenous phytohormones strigolactones (SLs) and new breeding techniques (CRISPR), as well as controlled environment horticulture (CEH) using artificial light in sustainable production of horticultural crops. The benefits of such applications are often evaluated by measuring their impact on the metabolic, morphological and biochemical parameters of a variety of cultures, which typically results in higher yields with efficient use of resources when applied in greenhouse or field conditions. Endophytic microbes that promote plant growth play a key role in the adapting of plants to habitat, thereby improving their yield and prolonging their protection from biotic and abiotic stresses. Focusing on quality control, we considered the effects of the applications of microbial endophytes, a novel class of phytohormones SLs, as well as NMs and CEH using artificial light on horticultural commodities. In addition, the genomic editing of plants using CRISPR, including its role in modulating gene expression/transcription factors in improving crop production and tolerance, was also reviewed.
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11
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Shahbazi M, Tohidfar M, Aliniaeifard S, Yazdanpanah F, Bosacchi M. Transgenic tobacco co-expressing flavodoxin and betaine aldehyde dehydrogenase confers cadmium tolerance through boosting antioxidant capacity. PROTOPLASMA 2022; 259:965-979. [PMID: 34686944 DOI: 10.1007/s00709-021-01714-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 09/29/2021] [Indexed: 06/13/2023]
Abstract
Excessive heavy metal (HM) levels in soil have become a source of concern due to their adverse effects on human health and the agriculture industry. Soil contamination by HMs leads to an accumulation of reactive oxygen species (ROSs) within the plant cell and disruption of photosynthesis-related proteins. The response of tobacco lines overexpressing flavodoxin (Fld) and betaine aldehyde dehydrogenase (BADH) to cadmium (Cd) toxicity was investigated in this study. PCR results demonstrated the expected amplicon length of each gene in the transgenic lines. Absolute qRT-PCR demonstrates a single copy of T-DNA integration into each transgenic line. Relative qRT-PCR confirmed overexpression of Fld and BADH in transgenic lines. The maximum quantum yield of photosystem II (Fv/Fm) was measured under Cd toxicity stress and revealed that transgenic lines had a higher Fv/Fm than wild-type (WT) plants. Accumulation of proline, glycine betaine (GB), and higher activity of antioxidant enzymes alongside lower levels of malondialdehyde (MDA) and hydrogen peroxide (H2O2) was indicative of a robust antioxidant system in transgenic plants. Therefore, performing a loop in reducing the ROS produced in the photosynthesis electron transport chain and stimulating the ROS scavenger enzyme activity improved the plant tolerance to Cd stress.
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Affiliation(s)
- Mehrdad Shahbazi
- Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, 1983969411, Tehran, Iran
| | - Masoud Tohidfar
- Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, 1983969411, Tehran, Iran.
| | - Sasan Aliniaeifard
- Photosynthesis Laboratory, Department of Horticulture, Aburaihan Campus, University of Tehran, 1417935840, Tehran, Iran
| | - Farzaneh Yazdanpanah
- Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, 1983969411, Tehran, Iran
| | - Massimo Bosacchi
- Park at the, Danforth Plant Science Center, KWS Gateway Research Center, LLC, BRDG, Saint Louis, MO, USA
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Yang J, Song J, Jeong BR. Low-Intensity Blue Light Supplemented during Photoperiod in Controlled Environment Induces Flowering and Antioxidant Production in Kalanchoe. Antioxidants (Basel) 2022; 11:antiox11050811. [PMID: 35624675 PMCID: PMC9137757 DOI: 10.3390/antiox11050811] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 04/19/2022] [Accepted: 04/19/2022] [Indexed: 11/16/2022] Open
Abstract
Kalanchoe (Kalanchoe blossfeldiana) is a qualitative short-day plant with a high aesthetic value. When the night length is less than a specified cultivar-dependent critical value, however, it does not develop flowers. This study investigated the effects of low-intensity supplementary or night interrupting (NI) blue (B) light on the plant performance and flower induction in kalanchoe ‘Rudak’. During the photoperiod in a closed-type plant factory with day/night temperatures of 23 °C/18 °C, white (W) LEDs were utilized to produce a photosynthetic photon flux density (PPFD) of 300 μmol m−2 s−1, and B LEDs were used to give supplementary/NI light at a PPFD of 10 μmol m−2 s−1. The control plants were exposed to a 10-h short day (SD, positive control) or a 13-h long day (LD, negative control) treatment without any B light. The B light was used for 4 h either (1) to supplement the W LEDs at the end of the SD (SD + 4B) and LD (LD + 4B), or (2) to provide night interruption (NI) in the SD (SD + NI-4B) and LD (LD + NI-4B). The LD + 4B and LD + NI-4B significantly enhanced plant growth and development, followed by the SD + 4B and SD + NI-4B treatments. In addition, the photosynthesis, physiological parameters, and activity of antioxidant systems were improved in those treatments. Except in the LD and LD + NI-4B, all plants flowered. It is noteworthy that kalanchoe ‘Rudak’ flowered in the LD + 4B treatment and induced the greatest number of flowers, followed by SD + NI-4B and SD + 4B. Plants grown in the LD + 4B treatment had the highest expression levels of certain monitored genes related to flowering. The results indicate that a 4-h supplementation of B light during the photoperiod in both the SD and LD treatments increased flower bud formation, promoted flowering, and enhanced plant performance. Kalanchoe ‘Rudak’ flowered especially well in the LD + 4B, presenting a possibility of practically inducing flowering in long-day seasons with B light application.
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Affiliation(s)
- Jingli Yang
- Department of Horticulture, Division of Applied Life Science (BK21 Four), Graduate School of Gyeongsang National University, Jinju 52828, Korea; (J.Y.); (J.S.)
| | - Jinnan Song
- Department of Horticulture, Division of Applied Life Science (BK21 Four), Graduate School of Gyeongsang National University, Jinju 52828, Korea; (J.Y.); (J.S.)
| | - Byoung Ryong Jeong
- Department of Horticulture, Division of Applied Life Science (BK21 Four), Graduate School of Gyeongsang National University, Jinju 52828, Korea; (J.Y.); (J.S.)
- Institute of Agriculture and Life Science, Gyeongsang National University, Jinju 52828, Korea
- Research Institute of Life Science, Gyeongsang National University, Jinju 52828, Korea
- Correspondence: ; Tel.: +82-55-772-1913
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13
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Analysis of the characteristics of foxtail millet during storage under different light environments. J Cereal Sci 2021. [DOI: 10.1016/j.jcs.2021.103302] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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14
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Jin S, Ding Z, Xie J. Study of Postharvest Quality and Antioxidant Capacity of Freshly Cut Amaranth after Blue LED Light Treatment. PLANTS (BASEL, SWITZERLAND) 2021; 10:1614. [PMID: 34451660 PMCID: PMC8400882 DOI: 10.3390/plants10081614] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/02/2021] [Accepted: 08/03/2021] [Indexed: 11/16/2022]
Abstract
Freshly cut vegetables are susceptible to microbial contamination and oxidation during handling and storage. Hence, light-emitting diode technology can effectively inhibit microbial growth and improve antioxidant enzyme activity. In this paper, the freshly cut amaranth was treated with different intensities of blue light-emitting diode (LED460nm) over 12 days. Chlorophyll content, ascorbic acid content, antioxidant capacity, antioxidant enzymes activity, the changes in microbial count, and sensorial evaluation were measured to analyze the effects of LED treatment on the amaranth. Blue LED460nm light irradiation improved the vital signs of the samples and extended the shelf life by 2-3 days. The AsA-GSH cycle was effectively activated with the irradiation of 30 μmol/(m2·s) blue LED460nm light. According to the results, the LED460nm light could retard the growth of colonies and the main spoilage bacteria, Pseudomonas aeruginosa, of freshly cut amaranth.
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Affiliation(s)
- Siyuan Jin
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; (S.J.); (Z.D.)
- National Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai Ocean University, Shanghai 201306, China
| | - Zhaoyang Ding
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; (S.J.); (Z.D.)
- National Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai Ocean University, Shanghai 201306, China
| | - Jing Xie
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; (S.J.); (Z.D.)
- National Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai Ocean University, Shanghai 201306, China
- Shanghai Professional Technology Service Platform on Cold Chain Equipment Performance and Energy Saving Evaluation, Shanghai 201306, China
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15
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Moradi S, Kafi M, Aliniaeifard S, Salami SA, Shokrpour M, Pedersen C, Moosavi-Nezhad M, Wróbel J, Kalaji HM. Blue Light Improves Photosynthetic Performance and Biomass Partitioning toward Harvestable Organs in Saffron ( Crocus sativus L.). Cells 2021; 10:cells10081994. [PMID: 34440766 PMCID: PMC8392054 DOI: 10.3390/cells10081994] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/25/2021] [Accepted: 07/27/2021] [Indexed: 11/16/2022] Open
Abstract
Saffron is a valuable plant and one of the most expensive spices worldwide. Nowadays, there is a tendency to produce this crop in indoor plant production systems. However, the production of saffron is restricted by the need for the reproduction of high-quality corms. In this study, we investigated the effect of different ratios of red (R) and blue (B) light spectra (including 100% B (monochromatic B), 75%, 50%, 40%, 25% B, and 0% B (monochromatic R) on the photosynthetic performance and biomass partitioning as well as morphological and biochemical characteristics of saffron. The growth of flower, root, and corm was improved by increasing the proportion of B to R light. B-grown plants were characterized by the highest photosynthetic functionality with efficient electron transport and lower energy dissipation when compared to R-grown plants. B light directed biomass toward the corms and floral organs, while R light directed it toward the leaves. In saffron, the weight of a daughter corm is of great importance since it determines the yield of the next year. As the ratio of B to R light increased, the daughter corms also became heavier, at the cost of reducing their number, though increasing the proportion of B-enhanced antioxidant capacity as well as the activity of ascorbate peroxidase and catalase while superoxide dismutase activity was enhanced in R-grown plants. In conclusion, B light increased the production of high-quality daughter corms and altered biomass partitioning towards harvestable organs (corms and flowers) in saffron plants.
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Affiliation(s)
- Shirin Moradi
- Department of Horticultural Sciences, Faculty of Agricultural Science and Engineering, College of Agriculture and Natural Resources, University of Tehran, Karaj P.O. Box 31587-77871, Iran; (S.M.); (S.A.S.); (M.S.); (M.M.-N.)
| | - Mohsen Kafi
- Department of Horticultural Sciences, Faculty of Agricultural Science and Engineering, College of Agriculture and Natural Resources, University of Tehran, Karaj P.O. Box 31587-77871, Iran; (S.M.); (S.A.S.); (M.S.); (M.M.-N.)
- Correspondence: (M.K.); (S.A.)
| | - Sasan Aliniaeifard
- Photosynthesis Laboratory, Department of Horticulture, Aburaihan Campus, University of Tehran, Tehran P.O. Box 33916-53755, Iran
- Correspondence: (M.K.); (S.A.)
| | - Seyed Alireza Salami
- Department of Horticultural Sciences, Faculty of Agricultural Science and Engineering, College of Agriculture and Natural Resources, University of Tehran, Karaj P.O. Box 31587-77871, Iran; (S.M.); (S.A.S.); (M.S.); (M.M.-N.)
| | - Majid Shokrpour
- Department of Horticultural Sciences, Faculty of Agricultural Science and Engineering, College of Agriculture and Natural Resources, University of Tehran, Karaj P.O. Box 31587-77871, Iran; (S.M.); (S.A.S.); (M.S.); (M.M.-N.)
| | - Carsten Pedersen
- Copenhagen Plant Science Centre, Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg, Denmark;
| | - Moein Moosavi-Nezhad
- Department of Horticultural Sciences, Faculty of Agricultural Science and Engineering, College of Agriculture and Natural Resources, University of Tehran, Karaj P.O. Box 31587-77871, Iran; (S.M.); (S.A.S.); (M.S.); (M.M.-N.)
- Photosynthesis Laboratory, Department of Horticulture, Aburaihan Campus, University of Tehran, Tehran P.O. Box 33916-53755, Iran
| | - Jacek Wróbel
- Department of Bioengineering, West Pomeranian University of Technology in Szczecin, 17 Słowackiego Street, 71-434 Szczecin, Poland;
| | - Hazem M. Kalaji
- Department of Plant Physiology, Institute of Biology, University of Life Sciences SGGW, 02-776 Warsaw, Poland;
- Institute of Technology and Life Sciences—National Research Institute, Falenty, Al. Hrabska 3, 05-090 Raszyn, Poland
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16
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Ko SS, Jhong CM, Shih MC. Blue Light Acclimation Reduces the Photoinhibition of Phalaenopsis aphrodite (Moth Orchid). Int J Mol Sci 2020; 21:ijms21176167. [PMID: 32859101 PMCID: PMC7503704 DOI: 10.3390/ijms21176167] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 08/24/2020] [Accepted: 08/24/2020] [Indexed: 01/15/2023] Open
Abstract
The moth orchid is an important ornamental crop. It is very sensitive to high light irradiation due to photoinhibition. In this study, young orchid tissue culture seedlings and 2.5” potted plants pretreated under blue light (BL, λmax = 450 nm) at 100 µmol m−2 s−1 for 12 days (BL acclimation) were found to have an increased tolerance to high light irradiation. After BL acclimation, orchids had an increased anthocyanin accumulation, enhanced chloroplast avoidance, and increased chlorophyll fluorescence capacity whenever they were exposed to high light of 1000 μmol m−2 s−1 for two weeks (HL). They had higher Fv/Fm, electron transport rate (ETR), chlorophyll content, catalase activity and sucrose content when compared to the control without BL acclimation. Quantitative reverse transcription polymerase chain reaction (qRT-PCR) showed that transcript levels of phototropins, D1, RbcS, PEPCK, Catalase and SUT2 were upregulated in the BL-acclimated orchids. Consequently, BL acclimation orchids had better growth when compared to the control under long-term high light stress. In summary, this study provides a solution, i.e., BL acclimation, to reduce moth orchid photoinhibition and enhance growth before transplantation of the young tissue culture seedlings and potted plants into greenhouses, where they usually suffer from a high light fluctuation problem.
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Affiliation(s)
- Swee-Suak Ko
- Academia Sinica Biotechnology Center in Southern Taiwan, Tainan 741, Taiwan;
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei 115, Taiwan;
- Correspondence: ; Tel.: +886-6-5056630 (ext. 206); Fax: +886-6-5056631 (ext. 206)
| | - Chung-Min Jhong
- Academia Sinica Biotechnology Center in Southern Taiwan, Tainan 741, Taiwan;
| | - Ming-Che Shih
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei 115, Taiwan;
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Horibe T. Use of Light Stimuli as a Postharvest Technology for Cut Flowers. FRONTIERS IN PLANT SCIENCE 2020; 11:573490. [PMID: 33408725 PMCID: PMC7779671 DOI: 10.3389/fpls.2020.573490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 12/02/2020] [Indexed: 05/14/2023]
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