Seed size | Ear density | TKW1 | Grain density | ||||||
---|---|---|---|---|---|---|---|---|---|
(m-2) | (g) | (m-2) | |||||||
(mm) | Paula | Tatum | Paula | Tatum | Paula | Tatum | |||
< 2.5 | 520 | 464 | 39.9 | 44.6 | 8244 | 7346 | |||
2.5–2.75 | 525 | 556 | 39.8 | 42.9 | 7704 | 8670 | |||
2.75–3.25 | 525 | 520 | 38.9 | 43.3 | 8321 | 8223 | |||
> 3.25 | 562 | 526 | 38.9 | 44.6 | 8768 | 7980 | |||
LSD0.05 | 41 | 1.2 | 1030 |
< 2.2 | 2.2–2.8 | > 2.8 | |||||||
---|---|---|---|---|---|---|---|---|---|
Paula | Tatum | Paula | Tatum | Paula | Tatum | ||||
(%) | |||||||||
2012 | 4.2 | 4.7 | 87.3 | 66.3 | 8.4 | 28.8 | |||
2013 | 2.0 | 4.7 | 57.1 | 49.6 | 41.0 | 45.4 | |||
LSD0.05 | 1.1 | 7.8 | 8.6 |
N concentration | N yield | NHI1 | NUtE | |||||||
---|---|---|---|---|---|---|---|---|---|---|
Grain | Residue | Grain | Residue | AGDM | Grain | AGDM | ||||
(%) | (g m-2) | (%) | (g g-1) | |||||||
< 2.5 | 1.90 | 0.60 | 6.20 | 2.09 | 8.29 | 74.3 | 39.7 | 87.5 | ||
2.5–2.75 | 1.76 | 0.62 | 5.94 | 2.23 | 8.17 | 71.9 | 41.9 | 93.0 | ||
2.75–3.25 | 1.82 | 0.61 | 6.15 | 2.11 | 8.26 | 74.1 | 41.0 | 87.7 | ||
> 3.25 | 1.83 | 0.62 | 6.40 | 2.28 | 8.67 | 73.2 | 40.5 | 89.4 | ||
Paula | 1.82 | 0.61 | 5.95 | 2.14 | 8.08b | 73.1 | 40.4 | 89.8 | ||
Tatum | 1.83 | 0.61 | 6.40 | 2.22 | 8.62a | 73.7 | 41.2 | 89.0 | ||
2012 | 1.75b | 0.62 | 5.28b | 2.60a | 7.88b | 66.6b | 38.8b | 92.9a | ||
2013 | 1.90a | 0.60 | 7.07a | 1.75b | 8.82a | 80.2a | 42.8a | 85.9b | ||
Seed size | ||||||||||
Variety | * | |||||||||
Year | ** | *** | *** | *** | *** | *** | * |
Temperature (°C) | Precipitation (mm) | |||||
---|---|---|---|---|---|---|
Mean | 2012 | 2013 | Mean | 2012 | 2013 | |
(1983-2012) | (±) | (±) | (1983-2012) | (±) | (±) | |
March | 5.9 | 2.8 | -2.4 | 37.8 | -21.8 | -11.8 |
April | 11.1 | 0.3 | 0.8 | 36.6 | -10.4 | -25.7 |
May | 15.8 | 1.4 | 0.0 | 57.9 | -31.1 | 29.6 |
June | 18.7 | 2.2 | 0.1 | 72.7 | -26.2 | 30.9 |
July | 21.1 | 1.3 | 1.4 | 64.6 | 75.3 | -52.9 |
Plant length | AGDM1 | Grain yield | Residue | Harvest index | Ear density | Grains | TKW | Grain density | Single ear yield | Distribution of grain fractions (%) | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
(cm) | (g m-2) | (g m-2) | (g m-2) | (%) | (m-2) | (ear-1) | (g) | (m-2) | (g) | <2.2 mm | 2.2-2.8 mm | >2.8 mm | |
<2.5 | 59.4a | 717 | 329 | 347 | 45.7 | 492b | 15.9 | 42.2a | 7795 | 0.671 | 3.8 | 62.4 | 33.5 |
2.5-2.75 | 56.9b | 744 | 340 | 359 | 45.4 | 540a | 15.1 | 41.4b | 8187 | 0.628 | 4.1 | 66.6 | 29.2 |
2.75-3.25 | 56.7b | 720 | 340 | 342 | 46.9 | 523a | 15.9 | 41.1b | 8272 | 0.654 | 3.9 | 66.0 | 30.0 |
>3.25 | 57.0b | 765 | 350 | 372 | 45.6 | 544a | 15.4 | 41.8ab | 8374 | 0.642 | 3.9 | 65.3 | 30.7 |
Paula | 56.6b | 717 b | 326b | 350 | 45.3 | 533 | 15.5 | 39.4b | 8259 | 0.613b | 4.5a | 76.8a | 18.6b |
Tatum | 58.3a | 756 a | 353a | 359 | 46.4 | 517 | 15.6 | 43.9a | 8055 | 0.684a | 3.4b | 53.3b | 43.2a |
2012 | 54.3b | 725 | 306b | 419a | 41.9b | 528 | 14.4b | 40.4b | 7568b | 0.581b | 3.1b | 72.2a | 24.7b |
2013 | 60.7a | 748 | 373a | 291b | 49.9a | 522 | 16.8a | 42.8a | 8746a | 0.716a | 4.7a | 57.9b | 37.1a |
Seed size | * | ** | * | ||||||||||
Variety | ** | ** | * | *** | *** | *** | *** | *** | |||||
Year | *** | *** | *** | *** | *** | *** | *** | *** | *** | *** | *** | ||
S × V | * | * | * | ||||||||||
V × Y | ** | *** | *** | *** | |||||||||
S × V × Y | * |