Table 1 Phenotypic variation for agronomic, yield, and grain Fe and Zn concentration in two RIL populations.
Trait | IR95040 | IR95097 | Kaliboro | Range | Mean ± SE | F-Value | CV (%) | H2 | Season | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
A | B | P1 | P2 | P1 | P2 | P1 | P2 | P1 | P2 | P1 | P2 | P1 | P2 | ||
DF | – | 85.5 | 78.8 | 78.3 | 66.0–94.5 | 73.0–99.0 | 81.5 ± 0.4 | 85.5 ± 0.3 | 6.8** | 4.5** | 3.75 | 4.29 | 0.87 | 0.80 | 2017DS |
87.5 | 85.3 | 86 | 86.5 | 69.5–98.0 | 81.0–104.0 | 84.8 ± 0.4 | 89.6 ± 0.3 | 19.5** | 4.6** | 2.06 | 3.27 | 0.95 | 0.82 | 2017WS | |
79.5 | 83.5 | 77 | 80.3 | 74.0–96.5 | 76.0–91.5 | 82.1 ± 0.3 | 84.1 ± 0.1 | 4.5** | 2.8** | 3.45 | 2.56 | 0.80 | 0.67 | 2018DS | |
Genotype | 2.98*** | 9.29*** | |||||||||||||
Season | 3.40 | 443.24*** | |||||||||||||
Genotype: season | 0.71 | 2.51*** | |||||||||||||
PH | – | 92.8 | 123.3 | 123.9 | 75.6–192.6 | 58.0–163.5 | 117.1 ± 1.8 | 113.0 ± 1.5 | 9.0** | 11.2** | 10.0 | 8.18 | 0.89 | 0.92 | 2017DS |
100.3 | 104.9 | 122.8 | 122 | 73.3–170.8 | 73.8–171.8 | 115.7 ± 1.7 | 120.2 ± 1.5 | 8.8** | 6.2** | 9.59 | 10.8 | 0.89 | 0.84 | 2017WS | |
96.3 | 100.5 | 127 | 115.3 | 71.3–178.5 | 72.5–157.3 | 114.5 ± 1.7 | 110.2 ± 1.4 | 10.5** | 7.7** | 8.97 | 9.90 | 0.91 | 0.89 | 2018DS | |
Genotype | 10.81*** | 22.89*** | |||||||||||||
Season | 1.11 | 96.80*** | |||||||||||||
Genotype: season | 1.04 | 1.26* | |||||||||||||
NT | – | 12.2 | 15.6 | 20 | 8.5–22.1 | 8.3–25.0 | 13.4 ± 0.1 | 14.1 ± 0.1 | 1.8** | 1.3* | 14.9 | 21.8 | 0.47 | 0.27 | 2017DS |
11.9 | 13.2 | 15.6 | 18 | 7.3–20.6 | 8.6–21.5 | 11.8 ± 0.1 | 13.8 ± 0.1 | 2.5** | 1.4** | 19.4 | 17.4 | 0.61 | 0.31 | 2017WS | |
13.9 | 10.3 | 13.3 | 12.8 | 8.1–20.6 | 8.0–21.8 | 12.9 ± 0.1 | 11.8 ± 0.1 | 1.0 | 1.7** | 25.1 | 18.4 | 0.47 | 2018DS | ||
Genotype | 1.60*** | 2.47*** | |||||||||||||
Season | 1.46 | 103.15*** | |||||||||||||
Genotype: season | 0.90 | 1.06 | |||||||||||||
NP | – | 12 | 15.3 | 18.7 | 8.3 -22.1 | 8.1–22.3 | 13.3 ± 0.1 | 14.0 ± 0.2 | 1.9** | 1.2 | 14.2 | 22.7 | 0.49 | 0.17 | 2017DS |
11.7 | 13.1 | 15.3 | 17.8 | 6.6- 24.0 | 8.6–21.3 | 11.5 ± 0.2 | 13.7 ± 0.14 | 2.7** | 1.4** | 19.7 | 17.6 | 0.64 | 0.30 | 2017WS | |
13.8 | 10.3 | 13.3 | 12.1 | 8.1- 20.0 | 8.0–20.0 | 12.7 ± 0.1 | 11.7 ± 0.1 | 0.9 | 1.6** | 24.9 | 18.2 | 0.46 | 2018DS | ||
Genotype | 1.55*** | 2.31*** | |||||||||||||
Season | 3.89* | 98.78*** | |||||||||||||
Genotype: season | 0.87 | 0.97 | |||||||||||||
PL | – | 21.8 | 22.8 | 20.3 | 19.8–30.7 | 16.8–28.8 | 24.6 ± 0.1 | 23.0 ± 0.1 | 3.0** | 4.0** | 5.89 | 7.12 | 0.70 | 0.77 | 2017DS |
22.3 | 22.9 | 21 | 20.8 | 18.3–27.5 | 17.6–29.6 | 22.6 ± 0.1 | 23.1 ± 0.1 | 2.0** | 2.0** | 8.19 | 10.6 | 0.53 | 0.54 | 2017WS | |
21.3 | 25.1 | 20.2 | 22.2 | 17.1–29.3 | 18.1–28.8 | 22.2 ± 0.1 | 24.7 ± 0.1 | 1.6** | 3.1** | 9.31 | 6.62 | 0.45 | 0.71 | 2018DS | |
Genotype | 2.48*** | 6.59*** | |||||||||||||
Season | 66.38*** | 106.84*** | |||||||||||||
Genotype: season | 0.78 | 1.20* | |||||||||||||
YLD | – | 3562 | 3229 | 3970.1 | 1144.5–8264.9 | 1104.0–7590.0 | 4263.8 ± 96.8 | 4198.0 ± 96.0 | 2.1** | 2.7** | 30.4 | 28.3 | 0.60 | 0.67 | 2017DS |
2926.4 | 2323.9 | 3263.7 | 3785.7 | 419.6–4624.8 | 519.9–8605.1 | 2336.0 ± 60.1 | 3273.1 ± 71.4 | 1.8** | 2.2** | 36.8 | 29.7 | 0.47 | 0.59 | 2017WS | |
3943.7 | 4668.3 | 3804 | 4206.5 | 647.1–7860.1 | 1408.3–6572.4 | 3615.5 ± 79.6 | 4002.3 ± 71.2 | 2.3** | 1.8** | 28.6 | 27.0 | 0.58 | 0.50 | 2018DS | |
Genotype | 1.77*** | 4.78*** | |||||||||||||
Season | 22.28*** | 105.62*** | |||||||||||||
Genotype: season | 0.67 | 1.74*** | |||||||||||||
TGW | – | 20.3 | 29.2 | 28 | 17.1–30.1 | 18.5–32.1 | 24.0 ± 0.1 | 24.2 ± 0.1 | 6.9** | 8.0** | 4.97 | 5.47 | 0.86 | 0.89 | 2017DS |
21.7 | – | 29.3 | – | 14.7–32.9 | – | 24.4 ± 0.2 | – | 3.8** | – | 8.74 | – | 0.75 | 2017WS | ||
24.1 | 25.1 | 29.1 | 30.3 | 16.2–30.8 | 19.9–33.7 | 24.1 ± 0.1 | 26.6 ± 0.1 | 9.6** | 2.7** | 4.61 | 8.87 | 0.90 | 0.65 | 2018DS | |
Genotype | 38.32*** | 9.89*** | |||||||||||||
Season | 82.09*** | 208.30*** | |||||||||||||
Genotype: season | 23.77*** | 1.47*** | |||||||||||||
GL | – | 7.9 | 8.3 | 8.3 | 7.2–9.6 | 7.2–10.3 | 8.6 ± 0.04 | 8.6 ± 0.05 | 4.7** | 9.7** | 4.15 | 3.62 | 0.80 | 0.90 | 2017DS |
9.3 | 8.6 | 8.7 | 9 | 7.4–10.5 | 7.6–11.1 | 8.9 ± 0.04 | 9.01 ± 0.05 | 5.5** | 10.5** | 4.09 | 3.25 | 0.82 | 0.91 | 2017WS | |
8.5 | – | 8.8 | – | 7.6–10.7 | – | 9.11 ± 0.05 | – | 8.6** | – | 3.52 | – | 0.88 | 2018DS | ||
Genotype | 38.41*** | 24.33*** | |||||||||||||
Season | 7.39** | 297.39** | |||||||||||||
Genotype: season | 35.35*** | 1.39*** | |||||||||||||
GW | – | 2.5 | 2.5 | 2.7 | 2.2–2.5 | 1.9–3.1 | 2.4 ± 0.0 | 2.4 ± 0.02 | 2.5** | 4.9** | 2.31 | 7.11 | 0.64 | 0.81 | 2017DS |
2.3 | 2.5 | 2.6 | 2.8 | 2.0–2.6 | 2.0–3.1 | 2.3 ± 0.01 | 2.5 ± 0.01 | 5.4** | 7.7** | 2.44 | 4.05 | 0.82 | 0.87 | 2017WS | |
2.6 | – | 3 | – | 2.0–3.2 | – | 2.6 ± 0.02 | – | 11.1** | – | 3.65 | 0.91 | 2018DS | |||
Genotype | 76.83*** | 17.88*** | |||||||||||||
Season | 1507.78*** | 181.69*** | |||||||||||||
Genotype: season | 71.16*** | 1.58*** | |||||||||||||
Fe | – | 6.7 | 4.4 | 5.8 | 1.8–7.1 | 3.3–9.3 | 4.4 ± 0.06 | 5.6 ± 0.07 | 1.2* | 2.2** | 23.7 | 16.7 | 0.23 | 0.56 | 2017DS |
2.7 | 5 | 3.1 | 3 | 0.4–4.5 | 0.6–7.6 | 2.5 ± 0.06 | 3.3 ± 0.07 | 1.4* | 1.7** | 37.3 | 30.6 | 0.29 | 0.44 | 2017WS | |
4.7 | 4.5 | 4.1 | 3.1 | 2.2–5.4 | 1.6–7.7 | 4.1 ± 0.05 | 3.7 ± 0.06 | 1.6** | 1.6** | 16.7 | 23.6 | 0.42 | 0.41 | 2018DS | |
Genotype | 0.88 | 3.42*** | |||||||||||||
Season | 5.44* | 690.25*** | |||||||||||||
Genotype: season | 0.48 | 1.19* | |||||||||||||
Zn | – | 21 | 36.3 | 36.2 | 10.4–37.6 | 11.1–37.2 | 18.8 ± 0.3 | 19.7 ± 0.38 | 11.0** | 13.5** | 11.5 | 10.7 | 0.92 | 0.93 | 2017DS |
8 | 17 | 23.2 | 27.3 | 6.6–24.7 | 8.4–27.7 | 11.7 ± 0.2 | 15.7 ± 0.28 | 9.7** | 10.3** | 12.9 | 11.3 | 0.92 | 0.92 | 2017WS | |
15.3 | 17.6 | 33.9 | 32.2 | 10.9–35.1 | 9.1–32.3 | 18.5 ± 0.3 | 17.4 ± 0.31 | 17.0** | 13.0** | 8.57 | 10.2 | 0.95 | 0.94 | 2018DS | |
Genotype | 4.15*** | 41.41*** | |||||||||||||
Season | 0.09 | 576.48*** | |||||||||||||
Genotype: season | 0.35 | 1.88*** | |||||||||||||