Article: The effect of arbuscular mycorrhizal fungi on the phenolic compounds profile, antioxidant activity and grain yields in wheat cultivars growing under hydric stress
Journal of the science of food and agriculture. 2022 Jan. 15, v. 102, no. 1
2022
Abstract: BACKGROUND: Hydric stress affects the production of wheat (Triticum aestivum L.) worldwide, making some tools necessary to cope with the decrease in rainfall. A sustainable alternative is the use of arbuscular mycorrhizal fungi (AMF) as biofertilisers. ... ...
| Abstract | BACKGROUND: Hydric stress affects the production of wheat (Triticum aestivum L.) worldwide, making some tools necessary to cope with the decrease in rainfall. A sustainable alternative is the use of arbuscular mycorrhizal fungi (AMF) as biofertilisers. Here, we analysed the effects of AMF strains adapted or non‐adapted to hyper‐arid conditions on the phenolic profiles and antioxidant activities of wheat grains from two cultivars with contrasting tolerance to osmotic stress (Ilustre, moderately tolerant; and Maxi, tolerant) grown with and without hydric stress. RESULTS: Eight phenolic compounds were detected, apigenin‐C‐pentoside‐C‐hexoside I being the most abundant and showing an increase of 80.5% when inoculated with the fungus Funneliformis mosseae (FM) obtained from Atacama Desert under normal irrigation with respect to non‐mycorrhizal (NM) plants. NM treatments were associated with higher grain yields. FM showed a noticeable effect on most phenolic compounds, with an increase up to 30.2% in apigenin‐C‐pentoside‐C‐hexoside III concentration under hydric stress with respect to normal irrigation, being also responsible for high antioxidant activities such as ABTS (2,2′‐azino‐bis(3‐ethylbenzothiazoline‐6‐sulfonic acid) and DPPH (2,2‐diphenyl‐1‐picrylhydrazyl) activities. CONCLUSION: Inoculation with FM adapted to hydric stress produced improvements in phenolics composition and antioxidant activities in grains from wheat plants growing under hydric stress conditions, improving their food quality and supporting the development of further studies to determine whether the use of adapted AMF could be a realistic tool to improve grain quality in a scenario of increasing hydric stress conditions. © 2021 Society of Chemical Industry. |
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| Keywords | 2,2-diphenyl-1-picrylhydrazyl ; Glomus mosseae ; Triticum aestivum ; agriculture ; antioxidant activity ; antioxidants ; biofertilizers ; cultivars ; grain quality ; irrigation ; osmotic stress ; rain ; vesicular arbuscular mycorrhizae ; wheat |
| Language | English |
| Dates of publication | 2022-0115 |
| Size | p. 407-416. |
| Publishing place | John Wiley & Sons, Ltd. |
| Document type | Article |
| Note | JOURNAL ARTICLE |
| ZDB-ID | 184116-6 |
| ISSN | 1097-0010 ; 0022-5142 |
| ISSN (online) | 1097-0010 |
| ISSN | 0022-5142 |
| DOI | 10.1002/jsfa.11370 |
| Database | NAL-Catalogue (AGRICOLA) |
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