Elucidating the dual agro-biochemical roles of Dittrichia viscosa methanolic and ethanolic extracts: Biostimulant-driven germination, crop enhancement, and antioxidant synergy
ABSTRACT Dittrichia viscosa (L.) Greuter, a Mediterranean ruderal species, exhibits dual agro-biochemical roles as both a biostimulant and allelopathic agent. This study evaluated methanolic and ethanolic extracts for phytochemical content, antioxidant activity, and biostimulant efficacy on Vicia fa...
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Universidade Federal de Lavras
2025-08-01
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| Series: | Ciência e Agrotecnologia |
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| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542025000100225&lng=en&tlng=en |
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| author | Badis Aouzal Faiza Oudjane Lamia Bourouh Nabila Souilah Djamel Eddine Laib Nadjat Benkherbache Fehmi Boufahja Hamdi Bendif |
| author_facet | Badis Aouzal Faiza Oudjane Lamia Bourouh Nabila Souilah Djamel Eddine Laib Nadjat Benkherbache Fehmi Boufahja Hamdi Bendif |
| author_sort | Badis Aouzal |
| collection | DOAJ |
| description | ABSTRACT Dittrichia viscosa (L.) Greuter, a Mediterranean ruderal species, exhibits dual agro-biochemical roles as both a biostimulant and allelopathic agent. This study evaluated methanolic and ethanolic extracts for phytochemical content, antioxidant activity, and biostimulant efficacy on Vicia faba and Citrus clementina. Methanolic extracts contained significantly higher polyphenols (215.8 ± 22.7 mg GAE/g), flavonoids (112.0 ± 19.0 mg QE/g), and tannins (52.9 ± 2.0 mg/g) compared to ethanolic extracts (110.9 ± 17.6 mg GAE/g, 16.0 ± 3.1 mg QE/g, 11.2 ± 1.0 mg/g). Despite this, ethanolic extracts exhibited stronger antioxidant scavenging, with lower IC50 values in DPPH (0.49 ± 0.14 mg/mL) and ABTS (0.33 ± 0.22 mg/mL) assays than methanolic extracts (0.72 ± 0.05 and 0.93 ± 0.12 mg/mL, respectively). Hydroponic root assays demonstrated methanolic extracts enhanced Vicia faba root length significantly at 0.05 mg/mL (5.85 ± 1.32 cm) and Citrus clementina roots at 0.05 mg/mL (2.73 ± 0.38 cm), outperforming ethanolic extracts which showed inhibitory effects at higher doses. In vivo greenhouse experiments confirmed methanolic extract treatments increased Vicia faba seed number and weight significantly (p < 0.001), alongside larger seed sacs and stem sizes compared to controls and ethanol treatments. These findings validate D. viscosa as a promising natural bio-stimulant with antioxidant synergy for sustainable agriculture. |
| format | Article |
| id | doaj-art-e9765b5d9c494063bcd06dd1f02ca80f |
| institution | Kabale University |
| issn | 1981-1829 |
| language | English |
| publishDate | 2025-08-01 |
| publisher | Universidade Federal de Lavras |
| record_format | Article |
| series | Ciência e Agrotecnologia |
| spelling | doaj-art-e9765b5d9c494063bcd06dd1f02ca80f2025-08-20T03:45:07ZengUniversidade Federal de LavrasCiência e Agrotecnologia1981-18292025-08-014910.1590/1413-7054202549006925Elucidating the dual agro-biochemical roles of Dittrichia viscosa methanolic and ethanolic extracts: Biostimulant-driven germination, crop enhancement, and antioxidant synergyBadis Aouzalhttps://orcid.org/0000-0001-6155-5008Faiza Oudjanehttps://orcid.org/0009-0000-9066-3905Lamia Bourouhhttps://orcid.org/0000-0002-4790-1020Nabila Souilahhttps://orcid.org/0000-0001-7762-9657Djamel Eddine Laibhttps://orcid.org/0000-0001-8373-6969Nadjat Benkherbachehttps://orcid.org/0000-0002-2450-3433Fehmi Boufahjahttps://orcid.org/0000-0001-8220-0396Hamdi Bendifhttps://orcid.org/0009-0009-5980-391XABSTRACT Dittrichia viscosa (L.) Greuter, a Mediterranean ruderal species, exhibits dual agro-biochemical roles as both a biostimulant and allelopathic agent. This study evaluated methanolic and ethanolic extracts for phytochemical content, antioxidant activity, and biostimulant efficacy on Vicia faba and Citrus clementina. Methanolic extracts contained significantly higher polyphenols (215.8 ± 22.7 mg GAE/g), flavonoids (112.0 ± 19.0 mg QE/g), and tannins (52.9 ± 2.0 mg/g) compared to ethanolic extracts (110.9 ± 17.6 mg GAE/g, 16.0 ± 3.1 mg QE/g, 11.2 ± 1.0 mg/g). Despite this, ethanolic extracts exhibited stronger antioxidant scavenging, with lower IC50 values in DPPH (0.49 ± 0.14 mg/mL) and ABTS (0.33 ± 0.22 mg/mL) assays than methanolic extracts (0.72 ± 0.05 and 0.93 ± 0.12 mg/mL, respectively). Hydroponic root assays demonstrated methanolic extracts enhanced Vicia faba root length significantly at 0.05 mg/mL (5.85 ± 1.32 cm) and Citrus clementina roots at 0.05 mg/mL (2.73 ± 0.38 cm), outperforming ethanolic extracts which showed inhibitory effects at higher doses. In vivo greenhouse experiments confirmed methanolic extract treatments increased Vicia faba seed number and weight significantly (p < 0.001), alongside larger seed sacs and stem sizes compared to controls and ethanol treatments. These findings validate D. viscosa as a promising natural bio-stimulant with antioxidant synergy for sustainable agriculture.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542025000100225&lng=en&tlng=enAntioxidantsustainable agriculturecrop growth enhancement |
| spellingShingle | Badis Aouzal Faiza Oudjane Lamia Bourouh Nabila Souilah Djamel Eddine Laib Nadjat Benkherbache Fehmi Boufahja Hamdi Bendif Elucidating the dual agro-biochemical roles of Dittrichia viscosa methanolic and ethanolic extracts: Biostimulant-driven germination, crop enhancement, and antioxidant synergy Ciência e Agrotecnologia Antioxidant sustainable agriculture crop growth enhancement |
| title | Elucidating the dual agro-biochemical roles of Dittrichia viscosa methanolic and ethanolic extracts: Biostimulant-driven germination, crop enhancement, and antioxidant synergy |
| title_full | Elucidating the dual agro-biochemical roles of Dittrichia viscosa methanolic and ethanolic extracts: Biostimulant-driven germination, crop enhancement, and antioxidant synergy |
| title_fullStr | Elucidating the dual agro-biochemical roles of Dittrichia viscosa methanolic and ethanolic extracts: Biostimulant-driven germination, crop enhancement, and antioxidant synergy |
| title_full_unstemmed | Elucidating the dual agro-biochemical roles of Dittrichia viscosa methanolic and ethanolic extracts: Biostimulant-driven germination, crop enhancement, and antioxidant synergy |
| title_short | Elucidating the dual agro-biochemical roles of Dittrichia viscosa methanolic and ethanolic extracts: Biostimulant-driven germination, crop enhancement, and antioxidant synergy |
| title_sort | elucidating the dual agro biochemical roles of dittrichia viscosa methanolic and ethanolic extracts biostimulant driven germination crop enhancement and antioxidant synergy |
| topic | Antioxidant sustainable agriculture crop growth enhancement |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542025000100225&lng=en&tlng=en |
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