Table 3 Effects of exposure to Rhizobium sp. GPTR29 VOCs on lettuce in vitro growth under non-saline (0 nM) and saline (100 nM) conditions
From: Effect of Rhizobium mechanisms in improving tolerance to saline stress in lettuce plants
Effects of VOCs exposure on plant growth under salinity | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Treatment | Shoot length (± S.D.) (mm) | Root length (± S.D.) (mm) | Number of secondary roots (± S.D.) | Number of leaves (± S.D.) | Shoot length (± S.D.) (mm) | Root length (± S.D.) (mm) | Number of secondary roots (± S.D.) | Number of leaves (± S.D.) | |
5 dpi | 10 dpi | ||||||||
Non-saline conditions | Control | 1.83 (± 0.56)a | 1.67 (± 0.62)a | 2.67 (± 1.95)a | 2.93 (± 0.26)a | 2.40 (± 0.57)a | 2.01 (± 0.80)a | 3.00 (± 1.95)a | 3.70 (± 0.47)a |
GPTR29 | 2.44 (± 0.48)b | 2.26 (± 0.66)b | 4.40 (± 1.99)b | 3.33 (± 0.49)b | 3.42 (± 0.75)b | 2.74 (± 0.93)b | 5.21 (± 2.72)b | 3.93 (± 0.48)a | |
100 mM NaCl | Control | 0.66 (± 0.09)a | 0.42 (± 0.08)a | 1.00 (± 0.00)a | 2.05 (± 0.23)a | 0.75 (± 0.11)a | 0.43 (± 0.08)a | 1.37 (± 0.68)a | 2.63 (± 0.50)a |
GPTR29 | 0.80 (± 0.12)b | 0.55 (± 0.12)b | 1.00 (± 0.00)a | 2.38 (± 0.50)b | 0.88(± 0.18)b | 0,57 (± 0.12)b | 1.89 (± 1.08)a | 3.06 (± 0.54)b | |