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. 2023 Jan 23;14:1078100. doi: 10.3389/fpls.2023.1078100

Figure 1.

Figure 1

Isolation and identification of OSUB18 for bacterial speck disease and fungal gray mold disease control. (A) Colony morphology of OSUB18 on Tryptic Soy Agar (TSA) after 24 hours of incubation at 28°C. The bottom panel is the microscopic image of one representative colony from the upper panel. Scale bar = 100 µm. (B) OSUB18 antagonized the bacterial speck disease-causing agent P. syringae. (C) Quantification of the inhibition zone in (B). (D) OSUB18 antagonized the gray mold disease-causing agent B cinerea. Note that there was no physical contact between the bacterium and the fungus. (E) Quantification of the fungal growth in (D). Data present mean ± SE of three biological replicates. Data with different letters indicate a p-value < 0.05 on Student’s t-test.