Biology

  • Plant biostimulants are applied to improve crop production and nutritional quality of agrifood
    products. They are often included in agriculturalmanagement practices aimed at reducing chemical
    inputs, increasing productivity and recovering the natural equilibrium in agro-ecosystems.
    The widely accepted definition of plant biostimulants (see EBIC, 2013; du Jardin, 2015) is:
    substance(s) and/ormicro-organisms whose function when applied to plants or the soil rhizosphere
    stimulates the natural processes to enhance/benefit nutrient uptake and efficiency, tolerance to
    abiotic stress, and crop quality. Typically, biostimulants do not have a direct action against pests.
    Commercial formulations may contain a mix of: humic and fulvic acids, amino acids, seaweeds
    or plant extracts, natural poly- and oligo-mers, chemical elements (Al, Co, Na, Se, and Si),
    beneficial fungi or bacteria (du Jardin, 2015; Yakhin et al., 2017). Not all listed components are
    “biological,” which makes the term “bio”-stimulant somewhat ambiguous. The “bio” designation
    may be attributed to the living organism components, and their natural substances. Instead, the
    non-organic factors can be considered as positive effectors of the “biological” processes that regulate
    the plant physiology, metabolism, morphology and interactions within the agroecosystem.

  • “Department of Pharmacy, University of Naples Federico II, Naples, Italy, National Research Council, Institute for
    Sustainable Plant Protection, Portici, Italy, 3 Task Force on Microbiome Studies”

    Source: https://www.frontiersin.org/articles/10.3389/fpls.2018.01801/full

    Courtesy: https://www.frontiersin.org

    Copyright: published: 04 December 2018 doi: 10.3389/fpls.2018.01801. Copyright © 2018

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