Table 5 Effects of plant growth-promoting bacteria and Trichoderma species on growth parameters of faba bean with O. crenata infection, under greenhouse conditions (Experiment III)

  Orobanche alone (Orob.)

33.1^d

–

14.6^c

–

1.21^c

–

13.0^b

–

  Orob. + glyphosate alone

38.3^c

16

15.3^c

5

1.30^c

7

13.3^b

2

  Orob. + P. fluorescens

44.4^ab

34

19.0^bc

30

1.61^abc

33

14.5^b

12

  Orob  + B. subtilis

40.3^bc

22

15.6^c

7

1.34^c

11

13.1^b

1

  Orob. + B. pumilus

45.6^a

38

22.1^ab

51

1.85^ab

53

17.0^a

31

  Orob. + T. virde

44.1^ab

33

24.0^a

64

1.95^a

61

13.9^b

7

  Orob. + T. harzianum

41.5^abc

25

17.8^bc

22

1.49^bc

23

14.0^b

8

  Orob. + T. vierns

39.3^c

19

19.3^bc

32

1.60^abc

32

14.4^b

11

  Orobanche alone (Orob.)

49.0^b

–

20.9^b

–

3.75^b

–

21.0^b

–

  Orob. + glyphosate alone

50.1^ab

2

26.0^ab

24

3.93^b

5

22.3^ab

6

  Orob. + P. fluorescens

57.1^ab

17

22.8^ab

9

4.30^ab

15

24.6^ab

17

  Orob. + B. subtilis

51.3^ab

5

23.5^ab

12

4.44^ab

18

22.8^ab

9

  Orob. + B. pumilus

52.4^ab

7

30.5^a

46

5.75^a

53

25.8^ab

23

  Orob. + T. harzianum

55.4^ab

13

25.5^ab

22

4.83^ab

29

23.9^ab

14

  Orob. + T. viride

51.9^ab

6

23.1^ab

11

4.36^ab

16

22.0^b

5

  Orob. + T. vierns

58.3^a

19

28.8^ab

38

5.41^ab

44

27.5^a

31

  Orobanche alone (Orob.)

70.4^e

–

21.0^b

–

5.08^b

–

25.0^b

–

  Orob. + glyphosate alone

73.9^de

5

25.8^ab

23

5.38^ab

6

26.4^ab

6

  Orob. + P. fluorescens

79.8^bc

13

30.0^a

43

6.24^ab

23

32.5^a

30

  Orob. + B. subtilis

79.5^bc

13

28.5^a

36

5.73^ab

13

28.5^ab

14

  Orob. + B. pumilus

84.8^ab

21

30.1^a

43

6.28^a

24

29.0^ab

16

  Orob. + T. harzianum

81.9^bc

16

24.8^ab

18

5.39^ab

6

27.0^ab

8

  Orob. + T. viride

88.0^a

25

29.8^a

42

6.23^a

23

32.5^a

30

  Orob. + T. vierns

78.6^cd

12

25.0^ab

21

5.23^ab

3

27.5^ab

10