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Table 4 Evaluation of grain quality traits of selected introgression lines during DS2018 and WS2018

From: Marker Assisted Forward Breeding to Combine Multiple Biotic-Abiotic Stress Resistance/Tolerance in Rice

ILs KL (mm) KB (mm) LBR AC (%)
  DS2018 WS2018 DS2018 WS2018 DS2018 WS2018 DS2018 WS2018
IL1 6.9 ± 0.02 (l) 7 ± 0.18 (l) 2.0 ± 0.06 1.9 ± 0.03 3.5 ± 0.03 (ls) 3.7 ± 0.08 (ls) 25 ± 0.2 (I) 25 ± 0.2 (I)
IL2 6.8 ± 0.11 (l) 6.7 ± 0.09 (l) 2 ± 0.07 1.9 ± 0.03 3.3 ± 0.09 (ls) 3.4 ± 0.10 (ls) 23 ± 0.3 (I) 23 ± 0.2 (I)
IL3 5.5 ± 0.06 (m) 5.6 ± 0.09 (m) 2.7 ± 0.01 2.6 ± 0.03 2.1 ± 0.06 (ms) 2.2 ± 0.06 (ms) 23 ± 0.6 (I) 25 ± 0.3 (I)
IL4 5.9 ± 0.12 (m) 5.8 ± 0.06 (m) 1.8 ± 0.07 1.9 ± 0.03 3.2 ± 0.03 (ms) 3.0 ± 0.06 (ms) 23 ± 0.33 (I) 25 ± 0.3 (I)
IL5 6.0 ± 0.06 (m) 5.9 ± 0.03 (m) 1.9 ± 0.06 1.8 ± 0.06 3.1 ± 0.07 (ms) 3.1 ± 0.13 (ms) 25 ± 0.4 (I) 23 ± 0.6 (I)
IL6 6.1 ± 0.12 (m) 6.0 ± 0.07 (m) 2.0 ± 0.01 2.1 ± 0.03 3.1 ± 0.30 (ms) 2.9 ± 0.06 (ms) 26 ± 0.2 (H) 25 ± 0.3 (I)
IL7 6.0 ± 0.09 (m) 6.1 ± 0.07 (m) 1.9 ± 0.06 2.0 ± 0.06 3.2 ± 0.09 (ms) 3.1 ± 0.06 (ms) 26 ± 0.4 (H) 25 ± 0.1 (I)
Swarna + drought 5.7 ± 0.09 (m) 5.6 ± 0.06 (m) 2.8 ± 0.06 2.9 ± 0.03 2.0 ± 0.09 (mb) 1.9 ± 0.11 (mb) 25 ± 0.2 (I) 25 ± 0.1 (I)
SD 0.42 0.46 0.27 0.24 0.44 0.48 1.29 0.90
CD at 95% 0.25 0.12 0.1 0.08 0.1 0.1 1.7 0.72
  1. KL kernel length, KB: kernel breadth, LB length-breadth ratio, AC amylose content, I intermediate amylose content (20–25%), H high amylose content (> 25%), SD: standard deviation, CD critical difference, ls long-slender, ms medium slender, sb short bold, mb medium bold
  2. Grain type classification (combination of KL and LBR) (SES, IRRI 2013)
  3. Kernel length (scale): 1.Extra long (> 7.5 mm), 3.long (6.6–7.5 mm), 5.medium (5.51–6.6 mm), 7.short (5.5 mm or < 5.5 mm)
  4. Length-breadth ratio (scale): 1. Slender (> 3), 3. medium (2.1–3), 5. bold (1.1–2), 7. round (< 1.1)