Elicitation Improves the Leaf Area, Enzymatic Activities, Antioxidant Activity and Content of Secondary Metabolites in Achillea millefolium L. Grown in the Field

Salicylic acid (SA) is a plant hormone that stimulates the growth and metabolism of plants, also acting as an abiotic elicitor. This study aimed to evaluate the effect of SA on leaf production, leaf area and synthesis of secondary compounds in yarrow plants. The experiments were conducted under fiel...

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Bibliographic Details
Published in:Journal of plant growth regulation 2021-08, Vol.40 (4), p.1652-1666
Main Authors: Gorni, Pedro Henrique, Pacheco, Ana Cláudia, Lima Moro, Adriana, Silva, Jonathan Fogaça Albuquerque, Moreli, Ronaldo Rossetti, de Miranda, Giovani Rodrigues, Pelegrini, Juler Martins, Zaniboni, Camila Baptistão, Spera, Kamille Daleck, Bronzel Junior, João Luiz, da Silva, Regildo Márcio Gonçalves
Format: Article
Language:English
Subjects:
Achillea millefolium
Agriculture
Ammonia
Antioxidants
Biomedical and Life Sciences
Chalcone synthase
Enzymatic activity
Foliar applications
High-performance liquid chromatography
Leaf area
Leaves
Life Sciences
Liquid chromatography
Metabolism
Metabolites
Phenolic compounds
Phenols
Phenylalanine
Phenylalanine ammonia-lyase
Plant Anatomy/Development
Plant extracts
Plant Physiology
Plant Sciences
Plants
Polyphenols
Quinic acid
Rutin
Salicylic acid
Secondary metabolites
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Summary:Salicylic acid (SA) is a plant hormone that stimulates the growth and metabolism of plants, also acting as an abiotic elicitor. This study aimed to evaluate the effect of SA on leaf production, leaf area and synthesis of secondary compounds in yarrow plants. The experiments were conducted under field conditions in two consecutive years and f-received SA foliar applications (T1-control; T2-1.0 mmol L −1 applications at 20, 60 and 100 days after planting (DAP) and T3-1.0 mmol L −1 applications at 100 DAP during 3 days). The exogenous application of SA resulted in increases in leaf area (total and specific), number of leaves and leaf mass ratio of yarrow plants, polyphenolic compounds, phenylalanine ammonia-lyase and chalcone synthase enzymes and the antioxidant activity of the plant extract. The HPLC–DAD–MS/MS analysis of phenolic compounds revealed increases in the amounts of quinic acid and rutin. The results of this research lead us to affirm that SA exerted both the hormonal effect on number of leaves and leaf area, and also acted as eliciting substance.
ISSN:0721-7595
1435-8107
DOI:10.1007/s00344-020-10217-x