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Table 2 Growth parameters observed by manual sampling and ANOVA for seven rice genotypes at 28 days after sowing

From: Non-destructive phenotyping for early seedling vigor in direct-seeded rice

Traits LB-46 GM-217 AC38399 ARC10656 Vandana Sabita Varshadhan ANOVA
Shoot length (cm) 41.48 ± 2.76 49.52 ± 2.4 42.92 ± 1.76 43.68 ± 0.37 43.88 ± 2.05 39.76 ± 0.81 39.00 ± 1.77 *
Root length (cm) 25.32 ± 1.46 25.40 ± 1.48 28.22 ± 1.18 26.72 ± 1.42 25.78 ± 2.21 32.28 ± 1.67 23.44 ± 1.63 *
Shoot dry weight (g) 0.396 ± 0.033 0.303 ± 0.10 0.188 ± 0.036 0.136 ± 0.011 0.180 ± 0.026 0.159 ± 0.009 0.269 ± 0.039 **
Root dry weight (g) 0.27 ± 0.025 0.169 ± 0.05 0.142 ± 0.03 0.073 ± 0.011 0.149 ± 0.015 0.088 ± 0.007 0.112 ± 0.013 **
Tiller number 3.40 ± 0.24 1.80 ± 0.58 1.20 ± 0.20 1.00 ± 0.001 1.00 ± 0.001 1.20 ± 0.20 2.20 ± 0.37 **
Stem weight (g) 0.38 ± 0.17 0.15 ± 0.04 0.07 ± 0.01 0.07 ± 0.003 0.09 ± 0.02 0.07 ± 0.01 0.11 ± 0.01 *
Stem thickness (mm) 3.48 ± 0.31 3.46 ± 0.20 3.05 ± 0.20 2.81 ± 0.12 3.13 ± 0.17 3.12 ± 0.18 2.70 ± 0.19 NS
Leaf number/plant 11.2 ± 1.16 7.40 ± 1.40 6.40 ± 0.68 6.40 ± 0.24 6.20 ± 0.20 6.20 ± 0.20 8.80 ± 1.24 **
First leaf weight (g) 0.002 ± 0.0001 0.003 ± 0.0004 0.003 ± 0.0002 0.003 ± 0.0004 0.003 ± 0.0002 0.005 ± 0.0006 0.003 ± 0.0002 NS
Second leaf weight (g) 0.008 ± 0.0009 0.006 ± 0.0008 0.004 ± 0.0006 0.006 ± 0.0009 0.006 ± 0.0008 0.010 ± 0.0002 0.007 ± 0.0009 NS
Third leaf weight (g) 0.010 ± 0.001 0.011 ± 0.002 0.005 ± 0.001 0.011 ± 0.001 0.012 ± 0.002 0.011 ± 0.001 0.014 ± 0.002 NS
Fourth leaf weight (g) 0.013 ± 0.002 0.017 ± 0.002 0.016 ± 0.002 0.018 ± 0.001 0.024 ± 0.002 0.017 ± 0.001 0.023 ± 0.002 NS
Fifth leaf weight (g) 0.024 ± 0.001 0.032 ± 0.002 0.023 ± 0.002 0.022 ± 0.001 0.032 ± 0.002 0.029 ± 0.002 0.027 ± 0.001 NS
Sixth leaf weight (g) 0.036 ± 0.002 0.036 ± 0.002 0.037 ± 0.002 0.027 ± 0.001 0.038 ± 0.002 0.027 ± 0.001 0.033 ± 0.002 NS
Seventh leaf weight (g) 0.009 ± 0.0008 0.009 ± 0.0007 0.005 ± 0.0002 0.006 ± 0.0002 0.005 ± 0.0003 0.005 ± 0.0005 0.003 ± 0.0006 NS
  1. Mean ± standard error and significance of ANOVA are presented for each variety
  2. NS non-significant
  3. * p < 0.05; ** p < 0.001