Class

Number of genera

Number of strains

Plant growth promoting traits

Antagonistic effect

Endophytic traits

IAAa

ARA activityb

ECac

ECbd

ECce

Fungalf

Cellulase

Pectinase

Flavobacteriia

1

1

0

0

100

100

100

0

0

0

Bacilli

4

7

43

0

29

43

28

14

14

0

Actinobacteria

8

20

63

0

21

16

16

0

16

0

Alphaproteobacteria

5

9

78

0

22

33

22

0

11

11

Betaproteobacteria

7

8

0

13

25

25

25

0

13

13

Gammaproteobacteria

9

15

75

13

19

25

6

0

25

19

Total

34

60

57

5

27

58

25

2

17

8