Hormetic Effect of Wood Distillate on Hydroponically Grown Lettuce

Fedeli, Riccardo; Cruz, Cristina; Loppi, Stefano; Munzi, Silvana

doi:10.3390/plants13030447

Cited by 5 publications

(2 citation statements)

References 52 publications

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“…However, the efficacy of WD depends on the concentration used; if WD is applied between 0.2% and 0.5% (v/v), it stimulates plant growth and yield [36,38,43,44], while if it is applied at dosages higher than 0.5% (v/v), it can have herbicidal effects [42,45,46]. To the best of our knowledge, lettuce irrigated with saline water has not been the subject of WD studies.…”

Section: Response Of the Wd-untreated Plants To Varying Salt Concentr...mentioning

confidence: 99%

“…Its applications include improving soil quality [41], controlling weeds [42], regulating plant growth [36], and reducing the negative effects of the presence of bioplastics in the soil [38]. However, the efficacy of WD depends on the concentration used; if WD is applied between 0.2% and 0.5% (v/v), it stimulates plant growth and yield [36,38,43,44], while if it is applied at dosages higher than 0.5% (v/v), it can have herbicidal effects [42,45,46]. To the best of our knowledge, lettuce irrigated with saline water has not been the subject of WD studies.…”

Section: Introductionmentioning

confidence: 99%

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Wood Distillate Promotes the Tolerance of Lettuce in Extreme Salt Stress Conditions

Fedeli,

Celletti,

Loppi

2024

Plants

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Soil salinization is an adverse phenomenon in agriculture that severely affects crop growth and yield. The use of natural products, such as wood distillate (WD, derived from the pyrolysis of woody biomass), could be a sustainable approach to enhance the tolerance of plants cultivated in the saline soils. Hence, this study aimed to evaluate the potential of WD, a foliar sprayed at 0.2% (v/v), in lettuce plants subjected to grow under both moderate and high soil sodium chloride (NaCl) concentrations (ranging from 0 to 300 mM). The changes in the physiological and biochemical responses of these plants to the varying salt stress conditions allowed the identification of a maximum tolerance threshold (100 mM NaCl), specific to lettuce. Beyond this threshold, levels related to plant defense antioxidant power (antiradical activity) were lowered, while those indicative of oxidative stress (malondialdehyde content and electrolyte leakage) were raised, causing significant losses in leaf fresh biomass. On the other hand, WD significantly improved plant growth, enabling plants to survive high salt conditions >200 mM NaCl. Collectively, these observations highlight that treatments with WD could be of paramount importance in coping with current environmental challenges to have better yields under soil conditions of high salt concentrations.

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Section: Response Of the Wd-untreated Plants To Varying Salt Concentr...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Wood Distillate Promotes the Tolerance of Lettuce in Extreme Salt Stress Conditions

Fedeli,

Celletti,

Loppi

2024

Plants

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Biochar-mediated bioremediation: a sustainable strategy to increase Avena sativa L. tolerance to crude oil soil contamination

Fedeli,

Celletti,

Alexandrov

et al. 2024

Environ Sci Pollut Res

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The present work investigated the effects of different doses of biochar (2.5%, 5%, 10%), a by-product of the pyrolysis of woody biomass, on the growth of oat plants (Avena sativa L., cv “Danko”) grown under different crude oil concentrations (0.5%, 1%, 2%, 3%, 6%) added to the soil, evaluating both biometric (i.e. fresh weight) and biochemical (i.e., content of malondialdehyde and proline, and total antioxidant power) parameters. The findings indicate that biochar positively influences the fresh weight of oat plants across all concentrations of crude oil investigated. On the other hand, regarding oxidative stress, measured by malondialdehyde and proline content, biochar led to a significant reduction, with statistical significance observed at biochar concentrations > 2.5% and crude oil levels > 2% (malondialdehyde: ranging from -25% to -38%; proline ranging from -33% to -52%). Soil amendment with biochar increased the total antioxidant power, particularly at biochar concentrations > 2.5% and crude oil levels > 2% (ranging from + 20% to + 98%). These results suggest that biochar has a great potential in mitigating the negative effects of crude oil contamination on plant growth and oxidative stress levels, thereby highlighting its value as a conditioner in contaminated soils.

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Unlocking the potential of biostimulants in sustainable agriculture: Effect of wood distillate on the nutritional profiling of apples

Fedeli,

Dichiara,

Carullo

et al. 2024

Heliyon

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Hormetic Effect of Wood Distillate on Hydroponically Grown Lettuce

Cited by 5 publications

References 52 publications

Wood Distillate Promotes the Tolerance of Lettuce in Extreme Salt Stress Conditions

Wood Distillate Promotes the Tolerance of Lettuce in Extreme Salt Stress Conditions

Biochar-mediated bioremediation: a sustainable strategy to increase Avena sativa L. tolerance to crude oil soil contamination

Unlocking the potential of biostimulants in sustainable agriculture: Effect of wood distillate on the nutritional profiling of apples

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