Isolation and Characterization of Bacillus Strains from Egyptian Mangroves: Exploring Their Endophytic Potential in Maize for Biological Control of Spodoptera frugiperda
2024

Using Marine Bacteria to Control Fall Armyworm in Maize

Sample size: 200 publication 10 minutes Evidence: moderate

Author Information

Author(s): Fathy Hayam M., Awad Mona, Alfuhaid Nawal A., Ibrahim El-Desoky S., Moustafa Moataz A. M., El-Zayat Ayatollah S.

Primary Institution: Cairo University

Hypothesis

Can indigenous marine Bacillus strains act as endophytes in maize and provide biological control against Spodoptera frugiperda?

Conclusion

The study found that certain Bacillus strains can effectively reduce the mortality of Fall Armyworm larvae but do not significantly enhance plant growth.

Supporting Evidence

  • Foliar application of Bacillus sp. Esh39 caused the highest mortality rate (65%) in Fall Armyworm larvae.
  • Bacillus tequilensis R39 also showed significant insecticidal activity with a 60% mortality rate.
  • The study highlights the potential of using natural bacteria as a sustainable alternative to chemical pesticides.

Takeaway

Scientists are testing special bacteria from the sea to help protect corn plants from a bug that eats them, and they found some that work really well!

Methodology

The study involved isolating Bacillus strains from mangrove ecosystems, testing their insecticidal activity against Fall Armyworm larvae using various inoculation methods, and assessing their colonization in maize plants.

Limitations

The bacteria did not significantly enhance plant growth despite their effectiveness in pest control.

Statistical Information

P-Value

0.0001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3390/biology13121057

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication