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Article

A Biostimulant Based on Seaweed (Ascophyllum nodosum and Laminaria digitata) and Yeast Extracts Mitigates Water Stress Effects on Tomato (Solanum lycopersicum L.)

1
Plant Physiology Unit, Department of Life Sciences and Systems Biology, University of Turin, Via G. Quarello 15/A, 10135 Torino, Italy
2
Green Has Italia, C.so Alba 89, 12043 Canale, Italy
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Department of Agricultural, Forest and Food Sciences, University of Turin, Largo P. Braccini 2, 10095 Grugliasco, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Mercè Llugany
Agriculture 2021, 11(6), 557; https://doi.org/10.3390/agriculture11060557
Received: 20 May 2021 / Revised: 11 June 2021 / Accepted: 15 June 2021 / Published: 17 June 2021
(This article belongs to the Special Issue Impact of Biostimulants on Crops)
Water deficit is one of the most problematic stressors worldwide. In this context, the use of biostimulants represents an increasingly ecological practice aimed to improve crop tolerance and mitigate the negative effects on the productivity. Here, the effect derived from the foliar application of ERANTHIS®®, a biostimulant based on seaweed (Ascophyllum nodosum and Laminaria digitata) and yeast extracts, was tested on tomato plants grown under mild water-stress conditions. The potential stress mitigation action was evaluated by monitoring morphometric (fresh weight and dry matter content), physiological (stem water potential) and biochemical (ROS scavenger enzymes activity, proline, abscisic acid, hydrogen peroxide and photosynthetic pigment content) parameters closely related to the occurrence and response to stress at both flowering and fruit-set timing. In general, we observed that plants grown under drought conditions and treated with the biostimulant had a lower amount of ABA, and MDA and proline correlated to a lower activity of ROS scavenger enzymes compared to untreated plants. These data, together with the higher stem water potential and photosynthetic pigment levels recorded for the treated plants, suggest that ERANTHIS®® may mitigate water stress effects on tomato. View Full-Text
Keywords: drought; stress mitigation and tolerance; abscisic acid; carotenoids; antioxidant activity; biostimulation drought; stress mitigation and tolerance; abscisic acid; carotenoids; antioxidant activity; biostimulation
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MDPI and ACS Style

Campobenedetto, C.; Agliassa, C.; Mannino, G.; Vigliante, I.; Contartese, V.; Secchi, F.; Bertea, C.M. A Biostimulant Based on Seaweed (Ascophyllum nodosum and Laminaria digitata) and Yeast Extracts Mitigates Water Stress Effects on Tomato (Solanum lycopersicum L.). Agriculture 2021, 11, 557. https://doi.org/10.3390/agriculture11060557

AMA Style

Campobenedetto C, Agliassa C, Mannino G, Vigliante I, Contartese V, Secchi F, Bertea CM. A Biostimulant Based on Seaweed (Ascophyllum nodosum and Laminaria digitata) and Yeast Extracts Mitigates Water Stress Effects on Tomato (Solanum lycopersicum L.). Agriculture. 2021; 11(6):557. https://doi.org/10.3390/agriculture11060557

Chicago/Turabian Style

Campobenedetto, Cristina, Chiara Agliassa, Giuseppe Mannino, Ivano Vigliante, Valeria Contartese, Francesca Secchi, and Cinzia M. Bertea 2021. "A Biostimulant Based on Seaweed (Ascophyllum nodosum and Laminaria digitata) and Yeast Extracts Mitigates Water Stress Effects on Tomato (Solanum lycopersicum L.)" Agriculture 11, no. 6: 557. https://doi.org/10.3390/agriculture11060557

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