Enhancing the growth and essential oil components of Lavandula latifolia using Malva parviflora extract and humic acid as biostimulants in a field experiment
2025

Using Plant Extracts to Boost Lavender Growth and Oil Production

Sample size: 16 publication 10 minutes Evidence: high

Author Information

Author(s): El-Hefny Mervat, Hussien Mahmoud Khattab

Primary Institution: Alexandria University

Hypothesis

Can Malva parviflora extract and humic acid enhance the growth and essential oil content of Lavandula latifolia?

Conclusion

The combination of humic acid and Malva parviflora extract significantly improved the growth and essential oil yield of Lavandula latifolia.

Supporting Evidence

  • The combination treatment of humic acid and Malva parviflora extract at 4+4 g/L was recommended for optimal plant growth.
  • Significant increases in plant height, number of branches, and essential oil percentage were observed with the treatments.
  • Water-soluble vitamins and phenolic compounds in Malva parviflora extract contributed to the growth enhancement.

Takeaway

This study shows that using a plant extract and a natural fertilizer can help lavender plants grow better and produce more oil.

Methodology

The study used a randomized complete block design with two treatments over two growing seasons, applying different concentrations of humic acid and Malva parviflora extract.

Limitations

The study was conducted in a specific geographic location, which may limit the generalizability of the results.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/s41598-024-82127-x

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