What does this research mean for the field?

Lactic acid bacteria, particularly Lactiplantibacillus plantarum, act as effective microbial biostimulants in hydroponic lettuce production, significantly enhancing plant growth, yield, and nutritional quality comparably or superiorly to conventional PGPR-based products. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate the potential of lactic acid bacteria strains, individually and in combination, to improve the yield, physiological performance, and nutritional profile of hydroponic lettuce.

August 30, 2026International Journal of Agriculture Environment and Food SciencesOpen Access

Biostimulant potential of lactic acid bacteria in hydroponic lettuce production: growth and nutritional quality

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Authors

BİBoran İkiz HDH.Y. Daşgan IYIlker Yildiz

Discussion

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Overview

Randomized trial reveals that lactic acid bacteria enhance yield and antioxidant levels in hydroponic lettuce, suggesting viable alternatives to conventional microbial biostimulants.

Key Points

To evaluate the potential of lactic acid bacteria strains, individually and in combination, to improve the yield, physiological performance, and nutritional profile of hydroponic lettuce.
Conducted a randomized complete block greenhouse experiment with four replications using Batavia-type lettuce (cv. ‘Caipira’) grown in a floating hydroponic system.
Applied weekly nutrient solution inoculations of Lactiplantibacillus plantarum (LP), Levilactobacillus brevis (LB), Pediococcus pentosaceus (PP), an LAB mixture, commercial Rhizofill, or an untreated control.
Lactiplantibacillus plantarum demonstrated the greatest efficacy, increasing plant fresh weight by 34.0% and total yield by 36.0% compared with the untreated control.
LP significantly enriched antioxidant traits, including total phenolic, flavonoid, and L-ascorbic acid contents, performing equal to or better than the commercial biostimulant Rhizofill.
Levilactobacillus brevis most effectively enhanced root fresh weight and resulted in the lowest leaf nitrate accumulation among all evaluated treatments.

Cite This Study

İkiz et al. (2026) studied this question.

synapsesocial.com/papers/6a93f1176c1a8fb52e79dd40 https://doi.org/10.31015/jaefs.2026.3.4

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August 30, 2026International Journal of Agriculture Environment and Food SciencesOpen Access

Biostimulant potential of lactic acid bacteria in hydroponic lettuce production: growth and nutritional quality

View Full Paper

Ask AI

Bookmark

Authors

BİBoran İkiz HDH.Y. Daşgan IYIlker Yildiz

Discussion

Member takes

Overview

Randomized trial reveals that lactic acid bacteria enhance yield and antioxidant levels in hydroponic lettuce, suggesting viable alternatives to conventional microbial biostimulants.

Key Points

To evaluate the potential of lactic acid bacteria strains, individually and in combination, to improve the yield, physiological performance, and nutritional profile of hydroponic lettuce.
Conducted a randomized complete block greenhouse experiment with four replications using Batavia-type lettuce (cv. ‘Caipira’) grown in a floating hydroponic system.
Applied weekly nutrient solution inoculations of Lactiplantibacillus plantarum (LP), Levilactobacillus brevis (LB), Pediococcus pentosaceus (PP), an LAB mixture, commercial Rhizofill, or an untreated control.
Lactiplantibacillus plantarum demonstrated the greatest efficacy, increasing plant fresh weight by 34.0% and total yield by 36.0% compared with the untreated control.
LP significantly enriched antioxidant traits, including total phenolic, flavonoid, and L-ascorbic acid contents, performing equal to or better than the commercial biostimulant Rhizofill.
Levilactobacillus brevis most effectively enhanced root fresh weight and resulted in the lowest leaf nitrate accumulation among all evaluated treatments.

Cite This Study

İkiz et al. (2026) studied this question.

synapsesocial.com/papers/6a93f1176c1a8fb52e79dd40 https://doi.org/10.31015/jaefs.2026.3.4

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