Estimates of GCA for PVA-QPM lines and their hybrids and MSV-resistant testcrosses for grain yield, MSV disease scoring, carotenoids, and tryptophan contents assessed in two years of cropping seasons.
| Genotypes | Tryptophan (%) | Grain yield (t ha‒1) |
MSV (no.) | PVA | ZEA | LUT | aC | bC | bCX |
|---|---|---|---|---|---|---|---|---|---|
| TZEIORQ 13 | 80.35 |
1.97 |
0.26 | 89.96 |
87.22 |
111.10 |
92.33 |
53.91 |
97.55 |
| TZEIORQ 24 | 91.97 |
0.74 |
0.34 | 91.74 |
98.76 |
91.88 |
88.54 |
92.93 |
81.99 |
| TZEIORQ 29 | 100.44 |
1.87 |
0.23 | 84.87 |
82.11 |
87.74 |
76.97 |
47.25 |
92.77 |
| TZEIORQ 59 | 98.98 |
1.92 |
0.14 | 98.31 |
89.32 |
76.81 |
99.25 |
89.88 |
79.12 |
| TZEQI 82 | 86.87 |
0.86 |
0.35 | 87.88 |
78.87 |
92.93 |
71.11 |
45.74 |
88.94 |
| AK-9528-DMRSR POP 28 SR | 0.07 | 1.09 |
‒1.99 |
1.29 | 2.11 | 2.03 | 2.04 | 1.06 | 2.07 |
| ACR. 91 SUWAN-1-SR C1 | 1.01 | 0.82 |
‒0.71 |
1.54 | 1.65 | 1.99 | 3.11 | 2.09 | 1.87 |
| IK.91 TZL COMP 3-Y C1 | 0.08 | 1.88 |
‒0.88 |
1.19 | 1.09 | 1.86 | 0.04 | 1.05 | 2.07 |
| IKENNE 88 TZSR-Y-1 TZSR-Y-1 | 1.05 | 0.91 |
‒1.76 |
1.09 | 1.42 | 2.54 | 1.73 | 1.11 | 3.05 |
| TZB-SR SGY TZB-SR | 0.09 | 1.93 |
‒0.93 |
0.11 | 0.77 | 1.39 | 0.67 | 0.68 | 2.01 |
** and * significant at 0.01 and 0.05 probability levels, respectively.
MSV: maize streak virus, PVA: total provitamin A, bCX: b-cryptoxanthin, ZEA: zeaxanthin, LUT: lutein, bC: b-carotene, aC: a-caro.
