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Table 3 In vitro (a) and in vivo (b) seed germination of cultivated rocket, lamb lettuce, lettuce and tomato untreated and treated with Streptomyces anulatus CMJ58I, S. albidoflavus VT111I and S. cyaneus ZEA17I

From: Selection of Streptomyces against soil borne fungal pathogens by a standardized dual culture assay and evaluation of their effects on seed germination and plant growth

 

Days of incubation

Seed treatment

Untreated control

S. anulatus CMJ58I

S. albidoflavus VT111I

S. cyaneus ZEA17I

a) In vitro germination (%)

Cultivated rocket

6

84.3 ± 4.63a nsb

80.0 ± 2.00 ns

85.0 ± 1.73 ns

74.3 ± 7.22 ns

Lamb lettuce

10

88.7 ± 2.96 ns

90.7 ± 1.76 ns

87.0 ± 3.61 ns

85.0 ± 3.06 ns

Lettuce

7

79.7 ± 2.85 ns

78.3 ± 2.40 ns

81.7 ± 1.86 ns

84.3 ± 1.86 ns

Tomato

8

95.0 ± 1.53 ns

96.0 ± 1.15 ns

96.3 ± 2.19 ns

96.7 ± 1.33 ns

b) In vivo germination (%)

Cultivated rocket

10

65.7 ± 8.09 ns

80.0 ± 1.15 ns

78.3 ± 2.19 ns

58.7 ± 5.36 ns

Lamb lettuce

14

64.0 ± 0.58 a

58.7 ± 4.06 a

33.0 ± 6.43 b

44.0 ± 4.04 ab

Lettuce

10

76.0 ± 1.00 ns

71.0 ± 1.15 ns

71.0 ± 3.06 ns

70.7 ± 4.37 ns

Tomato

10

96.0 ± 1.00 a

97.7 ± 0.33 a

92.0 ± 2.52 ab

88.3 ± 1.33 b

  1. a mean value followed by standard error
  2. b Tukey post-hoc test; mean values in a row with the same letters are not significantly different (P = 0.05); ns not significant