Research Article

Modification of Medium Composition for Enhancing the Production of Antifungal Activity from Xenorhabdus stockiae PB09 by Using Response Surface Methodology

Table 5

Effect of different media on biomass and antifungal activity of X. stockiae PB09 against Phytophthora sp. after cultivation by using shake flasks at different periods of time.

MediaBiomass (g, dry cell weight/L ± SD)Mycelial inhibition (%, mean ± SD)
24 h48 h72 h24 h48 h72 h

TSB9.78 ± 0.16a11.90 ± 0.43a11.79 ± 0.14a63.18 ± 4.03a70.73 ± 1.48a70.73 ± 2.57a
LB8.14 ± 0.11b10.12 ± 0.11b9.95 ± 0.11b65.00 ± 6.01a66.55 ± 2.29b69.09 ± 2.57ab
YSG7.08 ± 0.10c9.58 ± 0.20c9.02 ± 0.18c49.09 ± 2.97b65.45 ± 5.35b68.18 ± 5.65b

Means within the same column followed by the same lowercase letters are not significantly different () as compared by the LSD test.