Table 2.
Yield components of maize under different shading levels and planting densities.
| Treatment | XY335 | ZD958 | ||||
|---|---|---|---|---|---|---|
| Ear density (103 ha−1) | KNP | TKW (g) | Ear density(103 ha−1) | KNP | TKW (g) | |
| Y1D2CK | 80 a | 619 a | 401.94 a | 110 a | 527 a | 381.61 a |
| Y1D2S1 | 85 a | 602 a | 407.05 a | 109 a | 509 ab | 341.18 b |
| Y1D2S2 | 88 a | 636 a | 395.36 a | 97 ab | 477 b | 356.88 b |
| Y1D2S3 | 79 a | 179 b | 194.97 b | 86 b | 314 c | 110.77 c |
| Y1D4CK | 106 a | 554 a | 411.27 a | 118 a | 576 a | 364.90 a |
| Y1D4S1 | 107 a | 496 b | 384.37 b | 116 a | 513 b | 346.15 a |
| Y1D4S2 | 95 b | 495 b | 351.63 c | 101 b | 444 c | 324.08 b |
| Y1D4S3 | 84 c | 113 c | 192.55 d | 91 c | 211 d | 120.97 c |
| Y1D5CK | 121 a | 525 a | 374.10 a | 135 a | 469 a | 383.35 a |
| Y1D5S1 | 122 a | 464 b | 384.20 a | 122 b | 470 a | 326.92 b |
| Y1D5S2 | 106 a | 428 b | 350.95 a | 113 c | 453 b | 326.59 b |
| Y1D5S3 | 110 a | 93 c | 185.57 b | 92 d | 147 c | 222.58 c |
| Y2D1CK | 75 a | 639 a | 430.99 a | 67 a | 611 a | 452.63 a |
| Y2D1S1 | 74 a | 643 a | 428.66 ab | 66 a | 602 a | 432.69 ab |
| Y2D1S2 | 67 a | 642 a | 404.82 b | 63 a | 601 a | 421.69 b |
| Y2D1S3 | 46 b | 521 b | 372.67 c | 43 b | 537 b | 362.93 c |
| Y2D2CK | 78 a | 615 a | 424.43 a | 74 ab | 604 ab | 398.05 a |
| Y2D2S1 | 70 a | 621 a | 405.82 a | 73 ab | 616 a | 389.39 a |
| Y2D2S2 | 73 a | 563 a | 398.83 ab | 77 a | 544 b | 340.76 b |
| Y2D2S3 | 70 a | 323 b | 376.13 c | 64 b | 414 c | 312.94 c |
| Y2D3CK | 84 ab | 577 a | 420.73 a | 90 a | 576 a | 369.37 a |
| Y2D3S1 | 89 a | 596 a | 395.79 b | 86 a | 581 a | 341.73 b |
| Y2D3S2 | 74 b | 526 a | 387.74 b | 89 a | 525 a | 319.84 bc |
| Y2D3S3 | 74 b | 266 b | 371.57 c | 72 b | 262 b | 300.10 c |
| Y2D4CK | 100 a | 577 a | 402.60 a | 93 a | 564 a | 378.72 a |
| Y2D4S1 | 94 a | 569 a | 376.37 a | 93 a | 515 a | 363.60 a |
| Y2D4S2 | 86 ab | 454 b | 377.54 a | 94 a | 548 a | 342.60 ab |
| Y2D4S3 | 72 b | 372 c | 371.86 a | 65 b | 307 b | 300.86 b |
| Y2D5CK | 108 a | 544 a | 405.07 a | 103 a | 535 a | 353.48 a |
| Y2D5S1 | 105 a | 507 ab | 383.54 ab | 109 a | 463 b | 315.52 ab |
| Y2D5S2 | 93 ab | 399 b | 369.24 b | 99 a | 408 c | 322.27 ab |
| Y2D5S3 | 73 b | 248 c | 366.41 b | 81 b | 221 d | 262.83 b |
Different lowercase letters indicate significant differences between treatments at P < 0.05. KNP, kernel number per ear. TKW, thousand-kernel weight. See Table 1 for planting density and shading treatment definitions.