Table 5.
Performance of pyramiding lines under drought, low nitrogen stress, and normal conditions.
| Group | QTL genotypesa |
No. of plants/lines | Under drought conditionb |
Under low nitrogen condition |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | HD (days) | PH (cm) | PN | FGN | TGW (g) | SF (%) | GY (g) | HD (days) | PH (cm) | PN | FGN | TGW (g) | SF (%) | GY (g) | ||
| HHZ | - | - | - | - | 10 | 85.2bc | 75.1g | 7.3f | 65.6d | 19.4e | 52.2c | 10.3d | 60.1d | 75.2f | 4.8c | 106.9d | 19.0e | 79.6a | 12.7c |
| M79 | + | - | + | - | 10 | 89.0ab | 95.7c | 9.4bc | 97.9b | 23.1ab | 67.5b | 16.8b | 71.5ab | 99.4a | 6.3b | 123.6b | 21.8a | 81.7a | 17.5b |
| M387 | - | + | - | + | 10 | 80.4bc | 87.3ef | 7.7f | 84.8c | 22.7bc | 65.8b | 15.6c | 64.2cd | 92.2d | 6.0b | 128.0ab | 21.3abc | 81.5a | 17.1b |
| 1 | + | + | - | - | 29 | 82.7bc | 98.9b | 9.6abc | 117.7a | 23.7a | 70.8a | 18.8a | 64.5c | 91.9d | 5.0c | 110.6cd | 20.5bcd | 81.4a | 13.3c |
| 2 | - | - | + | + | 27 | 96.1a | 86.2f | 8.8de | 72.5d | 19.5e | 53.7c | 11.1d | 74.4a | 87.0e | 8.0a | 125.8b | 20.9abcd | 82.2a | 20.8a |
| 3-1 | + | + | - | + | 3 | 80.7bc | 102.8a | 9.8ab | 120.8a | 22.1c | 71.0a | 19.3a | 65.1c | 95.3bc | 6.0b | 127.8ab | 20.3cd | 81.1a | 16.9b |
| 3-2 | + | + | + | - | 2 | 79.1c | 97.7bc | 10.0a | 120.1a | 22.8bc | 72.5a | 19.1a | 63.7cd | 96.1b | 6.1b | 120.9bc | 20.1de | 82.0a | 17.3b |
| 4-1 | - | + | + | + | 2 | 85.0bc | 89.6de | 9.1cd | 91.4bc | 20.9d | 66.8b | 16.3bc | 71.1ab | 92.9cd | 8.1a | 138.1a | 20.3cd | 80.3a | 20.5a |
| 4-2 | + | - | + | + | 3 | 80.7bc | 92.0d | 8.5e | 87.1c | 20.9d | 66.0b | 16.0bc | 67.9bc | 95.6bc | 8.4a | 123.2b | 21.5ab | 82.8a | 20.3a |
| Group |
QTL genotypes |
No. of plants/lines |
Under normal condition |
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| 1 | 2 | 3 | 4 | HD (days) | PH (cm) | PN | FGN | TGW (g) | SF (%) | GY (g) | |||||||||
| HHZ | - | - | - | - | 10 | 75.3b | 95.0d | 11.5d | 164.2bc | 23.6d | 87.5ab | 26.3abc | |||||||
| M79 | + | - | + | - | 10 | 83.1a | 105.3bc | 12.6ab | 173.1abc | 26.1ab | 87.5ab | 26.1bc | |||||||
| M387 | - | + | - | + | 10 | 75.5b | 98.1d | 10.1e | 160.8c | 25.9abc | 89.8a | 25.7c | |||||||
| 1 | + | + | - | - | 29 | 79.6ab | 111.2a | 11.6cd | 171.7abc | 26.3a | 86.5b | 26.0bc | |||||||
| 2 | - | - | + | + | 27 | 81.9a | 101.8c | 12.1bc | 173.3abc | 25.1bc | 86.6b | 26.5abc | |||||||
| 3-1 | + | + | - | + | 3 | 76.3b | 111.9a | 12.2b | 172.4abc | 25.4abc | 85.5b | 27.4a | |||||||
| 3-2 | + | + | + | - | 2 | 76.0b | 110.6a | 12.7ab | 176.3ab | 24.1d | 90.4a | 26.6abc | |||||||
| 4-1 | - | + | + | + | 2 | 79.5ab | 109.8ab | 13.1a | 177.6a | 25.0c | 88.2ab | 26.8abc | |||||||
| 4-2 | + | - | + | + | 3 | 75.0b | 113.9a | 12.5ab | 174.3ab | 25.2bc | 85.6b | 27.2ab | |||||||
a 1, 2, 3, and 4 represent qDT3.9, qDT6.3, qGY1, and qSF8, respectively. “+” Indicate lines with favorable alleles from donor parents,“-” indicates lines with alleles from HHZ. bDifferent letters indicate statistically significant difference in mean trait values at P ≤ 0.05, based on Duncan’s Multiple Range Test.