An In Vitro Evaluation of Industrial Hemp Extracts Against the Phytopathogenic Bacteria Erwinia carotovora, Pseudomonas syringae pv. tomato, and Pseudomonas syringae pv. tabaci
2024

Hemp Extracts vs. Plant Pathogens

publication 10 minutes Evidence: moderate

Author Information

Author(s): Kanyairita Getrude G., Mortley Desmond G., Collier Willard E., Fagbodun Sheritta, Mweta Jamila M., Uwamahoro Hilarie, Dowell Le’Shaun T., Mukuka Mwamba F.

Primary Institution: Tuskegee University

Hypothesis

Can industrial hemp extracts effectively inhibit the growth of specific phytopathogenic bacteria?

Conclusion

Hemp extract shows potential as a sustainable biopesticide against major plant pathogens.

Supporting Evidence

  • Hemp extract showed a minimum inhibitory concentration (MIC) of 2.05 mg/mL for P. syringae pv. tabaci.
  • The study revealed a significant inhibition zone of 34.5 mm for E. carotovora at the highest concentration.
  • Time-kill assays indicated that hemp extract maintained high efficacy against the tested bacteria over 24 hours.
  • Hemp extract was more effective against P. syringae pv. tabaci than E. carotovora.

Takeaway

This study found that hemp extracts can help stop bad bacteria that harm plants, making it a safer option than chemical pesticides.

Methodology

The study used inhibition zone assays, minimum inhibitory concentration (MIC) tests, and time-kill assays to evaluate the antimicrobial efficacy of hemp extracts.

Limitations

The study did not explore the long-term effects of hemp extracts on soil health or potential resistance development in bacteria.

Statistical Information

P-Value

p<0.0001

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.3390/molecules29245902

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication