Skip to main content

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)