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Table. 4.

Table. 4.

The effect of isolates on wheat growth under different salt stress.

NaCl (mM) Treatment Plant height (cm) Root length (cm) Fresh weight (g) Dry weight (g)
0 Control 23.5 ± 0.29c 9.5 ± 0.40e 0.700 ± 0.00d 0.280 ± 0.01d
Bacillus velezensis 25.2 ± 0.58b 12.0 ± 1.15c 0.765 ± 0.00c 0.300 ± 0.00c
Bacillus thuringiensis 24.5 ± 0.29b 11.0 ± 0.29d 0.718 ± 0.00d 0.298 ± 0.00c
Brevibacterium frigoritolerans 25.0 ± 0.87b 13.5 ± 0.87b 0.793 ± 0.00b 0.323 ± 0.00b
Combined 32.0 ± 1.73a 16.7 ± 0.17a 0.890 ± 0.01a 0.431 ± 0.00a
50 Control 18.5 ± 0.87d 9.5 ± 1.33d 0.518 ± 0.00d 0.209 ± 0.00d
B. velezensis 23.7 ± 0.17c 13.0 ± 1.15c 0.721 ± 0.00c 0.297 ± 0.00c
B. thuringiensis 24.1 ± 0.63c 12.9 ± 0.52c 0.709 ± 0.01c 0.309 ± 0.00c
B. frigoritolerans 25.0 ± 1.15b 15.0 ± 1.15b 0.741 ± 0.00b 0.434 ± 0.00b
Combined 29.0 ± 1.15a 17.0 ± 0.23a 0.973 ± 0.00a 0.626 ± 0.01a
100 Control 14.7 ± 0.98d 9.0 ± 1.73d 0.472 ± 0.00e 0.197 ± 0.00d
B. velezensis 23.3 ± 0.17b 10.5 ± 0.29bc 0.717 ± 0.00c 0.300 ± 0.00bc
B. thuringiensis 21.2 ± 1.04c 10.0 ± 0.58c 0.670 ± 0.00d 0.311 ± 0.00b
B. frigoritolerans 23.0 ± 1.15b 11.0 ± 0.58b 0.770 ± 0.00b 0.297 ± 0.00c
Combined 25.5 ± 0.87a 12.0 ± 0.87a 0.832 ± 0.01a 0.415 ± 0.00a
200 Control 13.3 ± 0.98d 8.5 ± 0.29d 0.372 ± 0.00d 0.116 ± 0.01d
B. velezensis 21.2 ± 0.46b 10.5 ± 0.87c 0.627 ± 0.00c 0.199 ± 0.00c
B. thuringiensis 21.0 ± 0.58b 11.5 ± 0.87b 0.670 ± 0.00b 0.216 ± 0.00c
B. frigoritolerans 18.6 ± 0.81c 10.3 ± 0.75c 0.683 ± 0.00b 0.293 ± 0.01b
Combined 23.0 ± 1.15a 14.5 ± 0.29a 0.785 ± 0.01a 0.350 ± 0.01a
300 Control 12.4 ± 0.60e 8.3 ± 0.40d 0.363 ± 0.00e 0.102 ± 0.01c
B. velezensis 16.5 ± 0.87d 9.0 ± 0.58c 0.627 ± 0.01d 0.200 ± 0.00b
B. thuringiensis 19.4 ± 0.23c 11.0 ± 0.58b 0.663 ± 0.00c 0.211 ± 0.00b
B. frigoritolerans 21.0 ± 0.58b 8.8 ± 0.29c 0.683 ± 0.00b 0.283 ± 0.00a
Combined 23.5 ± 1.44a 11.9 ± 0.26a 0.710 ± 0.00a 0.291 ± 0.00a
400 Control 12.0 ± 1.15e 6.5 ± 0.46d 0.333 ± 0.00d 0.090 ± 0.00d
B. velezensis 15.4 ± 0.35d 9.0 ± 1.15c 0.560 ± 0.01c 0.174 ± 0.00c
B. thuringiensis 18.4 ± 1.39c 11.0 ± 1.15b 0.572 ± 0.01c 0.199 ± 0.01b
B. frigoritolerans 19.5 ± 0.29b 10.9 ± 0.06b 0.665 ± 0.01b 0.200 ± 0.00b
Combined 21.4 ± 0.92a 13.0 ± 1.15a 0.709 ± 0.00a 0.253 ± 0.00a

The values are mean ± standard errors of 3 replicates, and different letters in each variable denote significant difference (p < 0.05) by least significant difference.

J. Microbiol. Biotechnol. 2021;31:398~407 https://doi.org/10.4014/jmb.2009.09032
© J. Microbiol. Biotechnol.