Table 2 Factorial design results of soybean growth/yield and disease index of soybean root rot.

From: Effects of Rhizophagus intraradices on soybean yield and the composition of microbial communities in the rhizosphere soil of continuous cropping soybean

Treatment number

1

2

3

4

Continuous cropping regimes

0Y

0Y

1Y

1Y

AM fungal treatments

Non

In

Non

In

100-seed weight (g)

24.27 ± 0.28b

27.46 ± 0.21a

18.62 ± 0.19d

21.91 ± 0.18c

Seed-yield per plant (g)

21.34 ± 0.87b

24.75 ± 1.03a

16.58 ± 0.94d

18.53 ± 1.05c

Yield per 0.04 hectare (kg)

34.23 ± 1.01b

39.57 ± 0.68a

26.65 ± 0.92d

29.44 ± 0.79c

Pods per plant

64.76 ± 1.94b

75.82 ± 1.68a

49.22 ± 2.02d

57.39 ± 1.40c

Seed number per plant

133.67 ± 5.03b

157.33 ± 6.03a

97.67 ± 6.50d

119.33 ± 4.73c

Seed number per pod

2.33 ± 0.58a

3.33 ± 0.58a

1.67 ± 0.58b

2.23 ± 0.68b

Node number

12.27 ± 0.56a

13.43 ± 0.80a

10.82 ± 0.92b

11.41 ± 0.58b

Branch number

8.31 ± 0.69b

9.87 ± 0.25a

6.44 ± 0.45d

7.79 ± 0.47c

Plant height (cm)

82.33 ± 1.52b

89.21 ± 1.08a

74.17 ± 0.97d

84.51 ± 1.19c

Root fresh weight (g)

11.21 ± 0.87b

16.52 ± 0.92a

8.46 ± 0.69c

11.42 ± 0.93b

Shoot fresh weight (g)

101.02 ± 1.91b

114.63 ± 1.57a

80.87 ± 1.32c

99.63 ± 1.86b

Root rot disease index

0.79 ± 0.03b

0.57 ± 0.03c

1.20 ± 0.03a

0.80 ± 0.03b

  1. 0Y and 1Y represent 0 year and 1 year of continuous cropping, respectively.
  2. Non represents non-inoculated with R. intraradices. In represents inoculated with R. intraradices.
  3. Different letters indicate significant differences from different treatments (P < 0.05).