Suppressive effect of an antagonistic bacterial endophyte isolated from sorghum roots on tomato bacterial wilt

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Key Points

This research aims to evaluate the potential of antagonistic bacteria isolated from sorghum roots to suppress bacterial wilt in tomatoes.
Selected bacteria with high antibacterial activity against the wilt pathogen from sorghum roots grown in Ibaraki, Japan.
Two bacterial strains were chosen based on antibacterial activity and density in sorghum roots.
Treated sorghum roots with selected bacteria were mixed into contaminated soil, followed by planting tomato seedlings to assess disease severity.
The 1B.4 strain significantly reduced disease severity in treated tomato plants compared to controls.
Bacterial density in soil was shown to decrease following application of the antagonistic bacteria, indicating effective pathogen suppression.

Demonstrates disease suppression in tomatoes using antagonistic bacteria from sorghum roots, suggesting insights for soil health management.

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SHIMONO et al. (2026) studied this question.

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