Purslane (Portulaca oleracea L.) Growth, Nutritional, and Antioxidant Status under Different Nitrogen Levels in Hydroponics
| Title: | Purslane (Portulaca oleracea L.) Growth, Nutritional, and Antioxidant Status under Different Nitrogen Levels in Hydroponics |
|---|---|
| Authors: | Antonios Chrysargyris, Panayiota Xylia, Gokhan Zengin, Nikolaos Tzortzakis |
| Source: | Horticulturae, Vol 10, Iss 9, p 1007 (2024) |
| Publisher Information: | MDPI AG, 2024. |
| Publication Year: | 2024 |
| Collection: | LCC:Plant culture |
| Subject Terms: | nitrogen use efficiency, translocation factors, nutrient uptake, purslane, soilless culture, Plant culture, SB1-1110 |
| More Details: | Purslane (Portulaca oleracea L.) is a common weed that attracts research and agricultural attention because of its significant nutritional value, and it is used commercially. The present work rated the effect of different nitrogen (N) concentrations, i.e., N50: 50 mg L−1; N100: 100 mg L−1; N200: 200 mg L−1; and N300: 300 mg L−1, on the growth, physiology, antioxidant capacity, and nutrient accumulation in the different plant parts of hydroponically grown purslane. Seedlings were transplanted to a Nutrient Film Technique (NFT) system and exposed to different N levels. The plants grown in high N levels of 300 mg L−1 had decreased biomass production, leaf number, leaf stomatal conductance, and total flavonoid content because of the increased oxidative stress, as shown by the elevated lipid peroxidation levels. Several enzymatic (superoxide dismutase) and non-enzymatic (ascorbic acid, total phenolics) plant antioxidant activities were activated to counteract the oxidative factors. Plants grown in intermediate N levels in the NS (i.e., 100 mg L−1) had decreased oxidative stress as several enzymatic antioxidant activities, i.e., peroxidases and catalases, were increased. Additionally, the water use efficiency and nitrogen uptake, as well as leaf stomatal conductance and leaf chlorophyll fluorescence, were increased in plants grown at a N level of 200 mg L−1. The mineral accumulation in the leaves, stems, and roots fluctuated, with increased calcium, magnesium, and sodium content being observed in the plants grown at high N levels in the nutrient solution. The stems accumulated less N compared with the leaves, but the N content and accumulation rates in purslane leaves were not affected by the N levels in the nutrient solution. Therefore, to increase the yield, nutritional value, and water use efficiency of purslane that is grown hydroponically, a concentration of 200 mg L−1 N in the nutrient solution is recommended. |
| Document Type: | article |
| File Description: | electronic resource |
| Language: | English |
| ISSN: | 2311-7524 |
| Relation: | https://www.mdpi.com/2311-7524/10/9/1007; https://doaj.org/toc/2311-7524 |
| DOI: | 10.3390/horticulturae10091007 |
| Access URL: | https://doaj.org/article/d60583b3ef0b4fde927a3c83850367fa |
| Accession Number: | edsdoj.60583b3ef0b4fde927a3c83850367fa |
| Database: | Directory of Open Access Journals |
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| Items | – Name: Title Label: Title Group: Ti Data: Purslane (Portulaca oleracea L.) Growth, Nutritional, and Antioxidant Status under Different Nitrogen Levels in Hydroponics – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Antonios+Chrysargyris%22">Antonios Chrysargyris</searchLink><br /><searchLink fieldCode="AR" term="%22Panayiota+Xylia%22">Panayiota Xylia</searchLink><br /><searchLink fieldCode="AR" term="%22Gokhan+Zengin%22">Gokhan Zengin</searchLink><br /><searchLink fieldCode="AR" term="%22Nikolaos+Tzortzakis%22">Nikolaos Tzortzakis</searchLink> – Name: TitleSource Label: Source Group: Src Data: Horticulturae, Vol 10, Iss 9, p 1007 (2024) – Name: Publisher Label: Publisher Information Group: PubInfo Data: MDPI AG, 2024. – Name: DatePubCY Label: Publication Year Group: Date Data: 2024 – Name: Subset Label: Collection Group: HoldingsInfo Data: LCC:Plant culture – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22nitrogen+use+efficiency%22">nitrogen use efficiency</searchLink><br /><searchLink fieldCode="DE" term="%22translocation+factors%22">translocation factors</searchLink><br /><searchLink fieldCode="DE" term="%22nutrient+uptake%22">nutrient uptake</searchLink><br /><searchLink fieldCode="DE" term="%22purslane%22">purslane</searchLink><br /><searchLink fieldCode="DE" term="%22soilless+culture%22">soilless culture</searchLink><br /><searchLink fieldCode="DE" term="%22Plant+culture%22">Plant culture</searchLink><br /><searchLink fieldCode="DE" term="%22SB1-1110%22">SB1-1110</searchLink> – Name: Abstract Label: Description Group: Ab Data: Purslane (Portulaca oleracea L.) is a common weed that attracts research and agricultural attention because of its significant nutritional value, and it is used commercially. The present work rated the effect of different nitrogen (N) concentrations, i.e., N50: 50 mg L−1; N100: 100 mg L−1; N200: 200 mg L−1; and N300: 300 mg L−1, on the growth, physiology, antioxidant capacity, and nutrient accumulation in the different plant parts of hydroponically grown purslane. Seedlings were transplanted to a Nutrient Film Technique (NFT) system and exposed to different N levels. The plants grown in high N levels of 300 mg L−1 had decreased biomass production, leaf number, leaf stomatal conductance, and total flavonoid content because of the increased oxidative stress, as shown by the elevated lipid peroxidation levels. Several enzymatic (superoxide dismutase) and non-enzymatic (ascorbic acid, total phenolics) plant antioxidant activities were activated to counteract the oxidative factors. Plants grown in intermediate N levels in the NS (i.e., 100 mg L−1) had decreased oxidative stress as several enzymatic antioxidant activities, i.e., peroxidases and catalases, were increased. Additionally, the water use efficiency and nitrogen uptake, as well as leaf stomatal conductance and leaf chlorophyll fluorescence, were increased in plants grown at a N level of 200 mg L−1. The mineral accumulation in the leaves, stems, and roots fluctuated, with increased calcium, magnesium, and sodium content being observed in the plants grown at high N levels in the nutrient solution. The stems accumulated less N compared with the leaves, but the N content and accumulation rates in purslane leaves were not affected by the N levels in the nutrient solution. Therefore, to increase the yield, nutritional value, and water use efficiency of purslane that is grown hydroponically, a concentration of 200 mg L−1 N in the nutrient solution is recommended. – Name: TypeDocument Label: Document Type Group: TypDoc Data: article – Name: Format Label: File Description Group: SrcInfo Data: electronic resource – Name: Language Label: Language Group: Lang Data: English – Name: ISSN Label: ISSN Group: ISSN Data: 2311-7524 – Name: NoteTitleSource Label: Relation Group: SrcInfo Data: https://www.mdpi.com/2311-7524/10/9/1007; https://doaj.org/toc/2311-7524 – Name: DOI Label: DOI Group: ID Data: 10.3390/horticulturae10091007 – Name: URL Label: Access URL Group: URL Data: <link linkTarget="URL" linkTerm="https://doaj.org/article/d60583b3ef0b4fde927a3c83850367fa" linkWindow="_blank">https://doaj.org/article/d60583b3ef0b4fde927a3c83850367fa</link> – Name: AN Label: Accession Number Group: ID Data: edsdoj.60583b3ef0b4fde927a3c83850367fa |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.3390/horticulturae10091007 Languages: – Text: English PhysicalDescription: Pagination: PageCount: 1 StartPage: 1007 Subjects: – SubjectFull: nitrogen use efficiency Type: general – SubjectFull: translocation factors Type: general – SubjectFull: nutrient uptake Type: general – SubjectFull: purslane Type: general – SubjectFull: soilless culture Type: general – SubjectFull: Plant culture Type: general – SubjectFull: SB1-1110 Type: general Titles: – TitleFull: Purslane (Portulaca oleracea L.) Growth, Nutritional, and Antioxidant Status under Different Nitrogen Levels in Hydroponics Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Antonios Chrysargyris – PersonEntity: Name: NameFull: Panayiota Xylia – PersonEntity: Name: NameFull: Gokhan Zengin – PersonEntity: Name: NameFull: Nikolaos Tzortzakis IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 09 Type: published Y: 2024 Identifiers: – Type: issn-print Value: 23117524 Numbering: – Type: volume Value: 10 – Type: issue Value: 9 Titles: – TitleFull: Horticulturae Type: main |
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