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Table 4 Effect of Streptomyces sp. on root and hypocotyl length of seedlings of cultivated rocket, lamb lettuce, lettuce and tomato in vitro

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

  Length (mm) Seed treatment
Untreated control S. anulatus CMJ58I S. albidoflavus VT111I S. cyaneus ZEA17I
Cultivated rocket Radicle 15.52 ± 1.00a cb 46.83 ± 2.11 a 31.11 ± 1.79 b 29.77 ± 2.05 b
Hypocotyl 9.34 ± 0.31 b 11.53 ± 0.36 a 11.11 ± 0.34 a 11.75 ± 0.40 a
N 253 239 255 222
Lamb lettuce Radicle 16.79 ± 0.51 b 26.35 ± 0.74 a 11.00 ± 0.33 c 9.08 ± 0.42 c
Hypocotyl 11.28 ± 0.37 b 14.55 ± 0.34 a 10.41 ± 0.30 bc 9.24 ± 0.37 c
N 266 272 261 255
Lettuce Radicle 16.33 ± 0.68 d 39.22 ± 1.95 b 28.31 ± 1.50 c 58.59 ± 2.10 a
Hypocotyl 2.97 ± 0.06 b 2.77 ± 0.05 b 2.95 ± 0.06 b 3.51 ± 0.06 a
N 239 235 245 253
Tomato Radicle 54.17 ± 1.09 b 59.33 ± 1.45 a 63.96 ± 1.55 a 63.41 ± 1.00 a
Hypocotyl 11.52 ± 0.26 c 13.41 ± 0.33 b 14.69 ± 0.32 a 14.79 ± 0.29 a
N 285 288 289 290
  1. a The 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