Effect of Two Biostimulants, Based on Ascophyllum nodosum Extracts, on Strawberry Performance under Mild Drought Stress

Author:

Shakya Rashmi12ORCID,Capilla Elvira3,Torres-Pagán Natalia3ORCID,Muñoz Marta34ORCID,Boscaiu Monica3ORCID,Lupuţ Ioan5,Vicente Oscar1ORCID,Verdeguer Mercedes3ORCID

Affiliation:

1. Institute for the Conservation and Improvement of Valencian Agrodiversity (COMAV), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain

2. Department of Botany, Miranda House, University of Delhi, Delhi 110007, India

3. Mediterranean Agroforestry Institute (IAM), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain

4. SEIPASA, S.A. C/Ciudad Darío, Polígono Industrial La Creu Naves 1-3-5, 46250 L’Alcudia, Spain

5. Faculty of Forestry and Cadastre, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 3–5 Manastur Street, 400372 Cluj-Napoca, Romania

Abstract

The world’s population continues to grow while available natural resources, such as arable land, water, and quality soil, are decreasing. Therefore, it is essential to implement environmentally friendly crop management strategies, which include the use of biostimulants. This study analysed the effects on strawberry plants of ActyseiTM and Phylgreen®, two commercial biostimulants based on extracts of the seaweed Ascophyllum nodosum. The study was conducted under field capacity (regular irrigation) and at 50% field capacity (mild water stress conditions) for 12 weeks. Different growth parameters of the aerial parts of the plants were measured weekly, such as the number of leaves, length of the longest leaf, leaf area, and the number of flowers and fruits produced, as well as the chlorophyll content, determined with a single-photon avalanche diode (SPAD) detector. At the end of the experiment, the plant material was collected, and the roots and aerial parts were weighed separately to obtain the fresh and dry weight of the samples. Fruit quality was assessed by analysing morphological parameters (weight and size) and some biochemical variables (proline, total soluble sugars, and antioxidant compounds contents). ActyseiTM application generally enhanced plant growth in control plants and under mild water stress conditions, even though root weight was reduced. In contrast, no significant effect of Phylgreen® on vegetative growth was observed, except for stimulating the root growth of plants watered at field capacity. Both biostimulants, Phylgreen® to a greater extent, showed an impact on the plants already seven weeks after their initial application, stimulating flower and fruit production, especially at field capacity.

Funder

SEIPASA S.A.

Polytechnic University of Valencia

Publisher

MDPI AG

Subject

Plant Science,Agronomy and Crop Science,Food Science

Reference79 articles.

1. United Nations (2023, June 15). World Population Prospects: The 2019 Revision Population Database. Available online: https://population.un.org/wpp/.

2. Intergovernmental Panel on Climate Change (2019). Special Report on Climate Change and Land: Summary for Policymakers, IPCC.

3. Plant biostimulants: Definition, concept, main categories and regulation;Sci. Hortic.,2015

4. Biostimulants in agriculture;Rouphael;Front. Plant Sci.,2020

5. Seaweed extracts as biostimulants of plant growth and development;Khan;J. Plant Growth. Regul.,2009

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