Biostimulants: Emerging Trend and Opportunities

Salgado, Catalina Landeta; Marchant, Francisca

doi:10.1007/978-981-16-7080-0_11

Cited by 3 publications

(3 citation statements)

References 164 publications

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“…In 2021, N-fixing biofertilizers hold 79% of the market share of all biofertilizers [ 44 ]. Europe and North America dominate the global biofertilizer market, with companies such as BASF (Germany), Bayer (Germany), Isagro (Italy), Valagro (Italy), Koppert Biological Systems (the Netherlands), Acadian Seaplants (Canada), and Kula Bio (the USA) leading the way [ 56 ]. Rhizobium , Azospirillum , and Azotobacter are among the common bacterial genera that have been designed as commercial N-fixing biofertilizers [ 44 , 56 ].…”

Section: Plant-associated Bacteriamentioning

confidence: 99%

Plant Beneficial Bacteria and Their Potential Applications in Vertical Farming Systems

Chiaranunt

White

2023

Plants

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In this literature review, we discuss the various functions of beneficial plant bacteria in improving plant nutrition, the defense against biotic and abiotic stress, and hormonal regulation. We also review the recent research on rhizophagy, a nutrient scavenging mechanism in which bacteria enter and exit root cells on a cyclical basis. These concepts are covered in the contexts of soil agriculture and controlled environment agriculture, and they are also used in vertical farming systems. Vertical farming—its advantages and disadvantages over soil agriculture, and the various climatic factors in controlled environment agriculture—is also discussed in relation to plant–bacterial relationships. The different factors under grower control, such as choice of substrate, oxygenation rates, temperature, light, and CO2 supplementation, may influence plant–bacterial interactions in unintended ways. Understanding the specific effects of these environmental factors may inform the best cultural practices and further elucidate the mechanisms by which beneficial bacteria promote plant growth.

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Section: Plant-associated Bacteriamentioning

confidence: 99%

Plant Beneficial Bacteria and Their Potential Applications in Vertical Farming Systems

Chiaranunt

White

2023

Plants

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“…The use of the latter due to the transition from a linear to a circular economy would be an excellent strategy to mitigate climate change thanks to increased resource-use efficiency and the consequent resilience of crops to increasing environmental stresses [6]. The integration of biostimulants in agriculture is attracting considerable interest from growers and the research community [7][8][9]. By definition, a biostimulant is 'any substance or micro-organism capable, when applied to plants, of improving nutritional efficiency, tolerance to abiotic stresses and/or crop quality traits, regardless of its nutrient content' [10].…”

Section: Introductionmentioning

confidence: 99%

Implications of Vegetal Protein Hydrolysates for Improving Nitrogen Use Efficiency in Leafy Vegetables

Ciriello,

Campana,

De Pascale

et al. 2024

Horticulturae

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Climate change and the degradation of ecosystems is an urgent issue to which the agricultural sector contributes through the overuse of productive inputs such as chemical fertilizers. A disproportionate use of nitrogenous fertilizers combined with low efficiency inevitably results in worsening environmental problems (greenhouse gas emissions, soil degradation, water eutrophication, and groundwater pollution). Nevertheless, increasing population growth puts additional pressure on the already struggling agricultural world. Awareness of these problems has pushed the world of research towards the development of more sustainable but equally efficient strategies in terms of production. The use of biostimulant substances and/or micro-organisms promoting yield, resilience to abiotic stresses in plants, and increasing the functional quality of products have been indicated as a valid strategy to improve the sustainability of agricultural practices. In modern horticulture, the use of vegetable–protein hydrolysates (V-PHs) is gaining more and more interest. These biostimulants could influence plants directly by stimulating carbon and nitrogen metabolism and interfering with hormonal activity, but also indirectly as V-PHs could improve nutrient availability in plant growth substrates and increase nutrient uptake and utilization efficiency. By exploiting this aspect, it would be possible to reduce the use of chemical fertilizers without affecting potential yields. After a brief introduction to the issues related to the intensive use of nitrogen fertilizers, this review focuses on the use of V-PHs as a strategy to increase nitrogen use efficiency (NUE). Starting with their heterogeneous origins and compositions, their effects on nitrogen metabolism, as well as the physiological and biochemical processes involved in these products, this review concludes with an in-depth discussion of the effects of V-PHs on major leafy vegetables.

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“…Agriculture is one of the most sensitive sectors to water scarcity and drought due to global warming [2,3], and it is also compromised by pollution caused by the massive use of mineral fertilizers [4,5]. Within this challenging context, the integration of biostimulants in agriculture is proving to be effective and presently attracts significant interest from the agricultural sector and academic research [6][7][8][9]. A biostimulant is "any substance or microorganism, being able, when applied to plants, to improve nutrition efficiency, abiotic stress tolerance, and/or crop quality traits, regardless of its nutrients content" [10].…”

Section: Introductionmentioning

confidence: 99%

Biostimulant Properties of Protein Hydrolysates: Recent Advances and Future Challenges

Malécange

Sergheraert²,

Teulat

et al. 2023

IJMS

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Over the past decade, plant biostimulants have been increasingly used in agriculture as environment-friendly tools that improve the sustainability and resilience of crop production systems under environmental stresses. Protein hydrolysates (PHs) are a main category of biostimulants produced by chemical or enzymatic hydrolysis of proteins from animal or plant sources. Mostly composed of amino acids and peptides, PHs have a beneficial effect on multiple physiological processes, including photosynthetic activity, nutrient assimilation and translocation, and also quality parameters. They also seem to have hormone-like activities. Moreover, PHs enhance tolerance to abiotic stresses, notably through the stimulation of protective processes such as cell antioxidant activity and osmotic adjustment. Knowledge on their mode of action, however, is still piecemeal. The aims of this review are as follows: (i) Giving a comprehensive overview of current findings about the hypothetical mechanisms of action of PHs; (ii) Emphasizing the knowledge gaps that deserve to be urgently addressed with a view to efficiently improve the benefits of biostimulants for different plant crops in the context of climate change.

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Biostimulants: Emerging Trend and Opportunities

Cited by 3 publications

References 164 publications

Plant Beneficial Bacteria and Their Potential Applications in Vertical Farming Systems

Plant Beneficial Bacteria and Their Potential Applications in Vertical Farming Systems

Implications of Vegetal Protein Hydrolysates for Improving Nitrogen Use Efficiency in Leafy Vegetables

Biostimulant Properties of Protein Hydrolysates: Recent Advances and Future Challenges

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