Table 1 The nematicidal activity of the protein extract from strain NJSZ-13 against B. xylophilus

Culture filtrate

16.3 ± 1.2

32.1 ± 2.1

58.6 ± 0.7

Crude extracellular protein extract

38.3 ± 2.5

72.4 ± 2.8

100 ± 0

Crude extracellular protein extract, boiled

13.3 ± 0.9

19.8 ± 1.9

28.7 ± 2.6

NB medium

2.2 ± 0.1

3.5 ± 0.3

5.6 ± 1.2

PBS

1.4 ± 0.6

2.1 ± 0.2

2.8 ± 0.3