
Journal of Zhejiang Agricultural Sciences ›› 2026, Vol. 67 ›› Issue (10): 2355-2359.DOI: 10.16178/j.issn.0528-9017.20250698
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WANG Qingqing1(
), TANG Xuejun1, ZHANG Sheng2(
)
Received:2025-09-03
Online:2026-10-11
Published:2026-10-19
Contact:
ZHANG Sheng
CLC Number:
WANG Qingqing, TANG Xuejun, ZHANG Sheng. Grey relational analysis of yield and agronomic traits of continuous cropping indica-japonica hybrid late rice[J]. Journal of Zhejiang Agricultural Sciences, 2026, 67(10): 2355-2359.
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URL: http://www.zjnykx.cn/EN/10.16178/j.issn.0528-9017.20250698
| 品种 | 生育期/d | 株高/cm | 穗长/cm | 有效穗数/hm-2 | 每穗总粒数 | 每穗实粒数 | 结实率/% | 千粒重/g | 产量/(kg·hm-2) |
|---|---|---|---|---|---|---|---|---|---|
| 长优1103 | 146 | 118.0 | 19.2 | 3.135×106 | 246.8 | 197.9 | 80.19 | 20.95 | 8 995.65 |
| 嘉丰优2号 | 146 | 119.7 | 22.8 | 2.595×106 | 244.7 | 233.6 | 85.04 | 23.76 | 8 970.30 |
| 长优780 | 142 | 109.3 | 24.3 | 2.640×106 | 193.9 | 161.3 | 83.19 | 25.95 | 9 565.20 |
| 浙杭优820 | 142 | 103.7 | 22.2 | 2.265×106 | 284.9 | 227.3 | 79.78 | 23.84 | 8 636.70 |
| 春优167 | 144 | 98.0 | 20.0 | 2.460×106 | 215.8 | 197.2 | 91.38 | 22.95 | 9 278.40 |
| 嘉优中科13?1 | 142 | 106.3 | 22.0 | 2.596×106 | 220.1 | 198.1 | 90.00 | 23.00 | 7 638.00 |
| 甬优59 | 149 | 117.0 | 22.2 | 2.445×106 | 221.7 | 198.0 | 89.31 | 26.20 | 9 484.65 |
| 嘉丰优27 | 140 | 112.3 | 22.4 | 2.610×106 | 207.5 | 186.8 | 90.02 | 27.85 | 8 067.75 |
| 浙科优4号 | 153 | 122.7 | 21.3 | 2.895×106 | 210.3 | 190.8 | 90.73 | 25.05 | 8 874.75 |
| 甬优79 | 141 | 111.0 | 23.6 | 2.685×106 | 156.3 | 132.0 | 84.45 | 24.01 | 9 006.00 |
| 甬优1540 | 144 | 100.3 | 20.4 | 2.565×106 | 215.4 | 194.1 | 90.11 | 22.66 | 10 100.25 |
| 春优801 | 146 | 108.3 | 18.5 | 3.210×106 | 194.2 | 147.7 | 76.06 | 24.66 | 9 005.10 |
| 甬优7860 | 149 | 114.0 | 20.7 | 2.490×106 | 202.9 | 178.5 | 87.97 | 25.31 | 9 735.45 |
| 春优165 | 144 | 99.3 | 18.6 | 2.835×106 | 229.8 | 205.0 | 89.21 | 21.97 | 9 259.50 |
| 甬优4911 | 149 | 114.7 | 21.6 | 2.760×106 | 195.1 | 179.9 | 92.21 | 22.15 | 10 021.65 |
| 甬优36 | 144 | 102.3 | 19.5 | 2.610×106 | 218.5 | 198.4 | 90.80 | 26.08 | 10 173.15 |
Table 1 Main agronomic traits of indica-japonica hybrid late rice varieties under continuous cropping
| 品种 | 生育期/d | 株高/cm | 穗长/cm | 有效穗数/hm-2 | 每穗总粒数 | 每穗实粒数 | 结实率/% | 千粒重/g | 产量/(kg·hm-2) |
|---|---|---|---|---|---|---|---|---|---|
| 长优1103 | 146 | 118.0 | 19.2 | 3.135×106 | 246.8 | 197.9 | 80.19 | 20.95 | 8 995.65 |
| 嘉丰优2号 | 146 | 119.7 | 22.8 | 2.595×106 | 244.7 | 233.6 | 85.04 | 23.76 | 8 970.30 |
| 长优780 | 142 | 109.3 | 24.3 | 2.640×106 | 193.9 | 161.3 | 83.19 | 25.95 | 9 565.20 |
| 浙杭优820 | 142 | 103.7 | 22.2 | 2.265×106 | 284.9 | 227.3 | 79.78 | 23.84 | 8 636.70 |
| 春优167 | 144 | 98.0 | 20.0 | 2.460×106 | 215.8 | 197.2 | 91.38 | 22.95 | 9 278.40 |
| 嘉优中科13?1 | 142 | 106.3 | 22.0 | 2.596×106 | 220.1 | 198.1 | 90.00 | 23.00 | 7 638.00 |
| 甬优59 | 149 | 117.0 | 22.2 | 2.445×106 | 221.7 | 198.0 | 89.31 | 26.20 | 9 484.65 |
| 嘉丰优27 | 140 | 112.3 | 22.4 | 2.610×106 | 207.5 | 186.8 | 90.02 | 27.85 | 8 067.75 |
| 浙科优4号 | 153 | 122.7 | 21.3 | 2.895×106 | 210.3 | 190.8 | 90.73 | 25.05 | 8 874.75 |
| 甬优79 | 141 | 111.0 | 23.6 | 2.685×106 | 156.3 | 132.0 | 84.45 | 24.01 | 9 006.00 |
| 甬优1540 | 144 | 100.3 | 20.4 | 2.565×106 | 215.4 | 194.1 | 90.11 | 22.66 | 10 100.25 |
| 春优801 | 146 | 108.3 | 18.5 | 3.210×106 | 194.2 | 147.7 | 76.06 | 24.66 | 9 005.10 |
| 甬优7860 | 149 | 114.0 | 20.7 | 2.490×106 | 202.9 | 178.5 | 87.97 | 25.31 | 9 735.45 |
| 春优165 | 144 | 99.3 | 18.6 | 2.835×106 | 229.8 | 205.0 | 89.21 | 21.97 | 9 259.50 |
| 甬优4911 | 149 | 114.7 | 21.6 | 2.760×106 | 195.1 | 179.9 | 92.21 | 22.15 | 10 021.65 |
| 甬优36 | 144 | 102.3 | 19.5 | 2.610×106 | 218.5 | 198.4 | 90.80 | 26.08 | 10 173.15 |
| 品种 | 生育期 | 株高 | 穗长 | 有效穗数 | 每穗总粒数 | 每穗实粒数 | 结实率 | 千粒重 | 产量 |
|---|---|---|---|---|---|---|---|---|---|
| 长优1103 | 0.773 9 | 0.574 7 | 0.667 7 | 0.458 2 | 0.572 0 | 0.750 6 | 0.616 3 | 0.550 3 | 1.000 0 |
| 嘉丰优2号 | 0.761 9 | 0.530 8 | 0.597 2 | 0.985 2 | 0.578 9 | 0.471 6 | 0.954 0 | 0.954 6 | 1.000 0 |
| 长优780 | 0.557 0 | 0.741 4 | 0.596 0 | 0.719 3 | 0.571 6 | 0.523 2 | 0.576 0 | 0.813 6 | 1.000 0 |
| 浙杭优820 | 0.951 2 | 0.988 2 | 0.571 5 | 0.670 3 | 0.358 9 | 0.444 0 | 0.723 7 | 0.746 9 | 1.000 0 |
| 春优167 | 0.800 1 | 0.515 4 | 0.681 1 | 0.638 4 | 0.918 7 | 0.916 9 | 0.699 7 | 0.693 1 | 1.000 0 |
| 嘉优中科13?1 | 0.571 8 | 0.505 8 | 0.402 2 | 0.487 2 | 0.432 8 | 0.412 5 | 0.386 7 | 0.530 0 | 1.000 0 |
| 甬优59 | 0.727 9 | 0.784 1 | 0.934 1 | 0.566 4 | 0.879 0 | 0.945 7 | 0.973 2 | 0.730 5 | 1.000 0 |
| 嘉丰优27 | 0.918 2 | 0.483 3 | 0.440 6 | 0.574 1 | 0.582 0 | 0.544 4 | 0.445 7 | 0.333 3 | 1.000 0 |
| 浙科优4号 | 0.401 0 | 0.459 1 | 0.786 7 | 0.575 4 | 0.887 6 | 0.783 4 | 0.595 8 | 0.661 4 | 1.000 0 |
| 甬优79 | 0.664 5 | 0.817 8 | 0.525 8 | 0.862 6 | 0.489 8 | 0.477 7 | 0.874 0 | 0.914 0 | 1.000 0 |
| 甬优1540 | 0.524 0 | 0.411 2 | 0.500 3 | 0.503 0 | 0.569 8 | 0.611 8 | 0.727 6 | 0.457 0 | 1.000 0 |
| 春优801 | 0.778 4 | 0.973 5 | 0.578 3 | 0.426 6 | 0.772 3 | 0.569 8 | 0.475 7 | 0.775 1 | 1.000 0 |
| 甬优7860 | 0.852 6 | 0.874 4 | 0.621 0 | 0.536 2 | 0.585 3 | 0.596 0 | 0.753 8 | 0.909 4 | 1.000 0 |
| 春优165 | 0.809 9 | 0.546 2 | 0.526 0 | 0.772 5 | 0.831 8 | 0.785 2 | 0.835 8 | 0.580 7 | 1.000 0 |
| 甬优4911 | 0.946 5 | 0.756 4 | 0.644 4 | 0.673 2 | 0.478 1 | 0.532 8 | 0.933 3 | 0.438 9 | 1.000 0 |
| 甬优36 | 0.508 5 | 0.426 5 | 0.426 4 | 0.514 1 | 0.570 7 | 0.624 8 | 0.738 6 | 0.820 4 | 1.000 0 |
| 关联度 | 0.721 7 | 0.649 3 | 0.593 7 | 0.622 7 | 0.630 0 | 0.624 4 | 0.706 9 | 0.681 8 | 1.000 0 |
| 加权系数 | 0.115 8 | 0.104 2 | 0.095 3 | 0.100 0 | 0.101 1 | 0.100 2 | 0.113 5 | 0.109 4 | 0.160 5 |
| 关联度排名 | 1 | 4 | 8 | 7 | 5 | 6 | 2 | 3 | — |
Table 2 Association analysis of agronomic traits and yield of indica-japonica hybrid late rice varieties under continuous cropping
| 品种 | 生育期 | 株高 | 穗长 | 有效穗数 | 每穗总粒数 | 每穗实粒数 | 结实率 | 千粒重 | 产量 |
|---|---|---|---|---|---|---|---|---|---|
| 长优1103 | 0.773 9 | 0.574 7 | 0.667 7 | 0.458 2 | 0.572 0 | 0.750 6 | 0.616 3 | 0.550 3 | 1.000 0 |
| 嘉丰优2号 | 0.761 9 | 0.530 8 | 0.597 2 | 0.985 2 | 0.578 9 | 0.471 6 | 0.954 0 | 0.954 6 | 1.000 0 |
| 长优780 | 0.557 0 | 0.741 4 | 0.596 0 | 0.719 3 | 0.571 6 | 0.523 2 | 0.576 0 | 0.813 6 | 1.000 0 |
| 浙杭优820 | 0.951 2 | 0.988 2 | 0.571 5 | 0.670 3 | 0.358 9 | 0.444 0 | 0.723 7 | 0.746 9 | 1.000 0 |
| 春优167 | 0.800 1 | 0.515 4 | 0.681 1 | 0.638 4 | 0.918 7 | 0.916 9 | 0.699 7 | 0.693 1 | 1.000 0 |
| 嘉优中科13?1 | 0.571 8 | 0.505 8 | 0.402 2 | 0.487 2 | 0.432 8 | 0.412 5 | 0.386 7 | 0.530 0 | 1.000 0 |
| 甬优59 | 0.727 9 | 0.784 1 | 0.934 1 | 0.566 4 | 0.879 0 | 0.945 7 | 0.973 2 | 0.730 5 | 1.000 0 |
| 嘉丰优27 | 0.918 2 | 0.483 3 | 0.440 6 | 0.574 1 | 0.582 0 | 0.544 4 | 0.445 7 | 0.333 3 | 1.000 0 |
| 浙科优4号 | 0.401 0 | 0.459 1 | 0.786 7 | 0.575 4 | 0.887 6 | 0.783 4 | 0.595 8 | 0.661 4 | 1.000 0 |
| 甬优79 | 0.664 5 | 0.817 8 | 0.525 8 | 0.862 6 | 0.489 8 | 0.477 7 | 0.874 0 | 0.914 0 | 1.000 0 |
| 甬优1540 | 0.524 0 | 0.411 2 | 0.500 3 | 0.503 0 | 0.569 8 | 0.611 8 | 0.727 6 | 0.457 0 | 1.000 0 |
| 春优801 | 0.778 4 | 0.973 5 | 0.578 3 | 0.426 6 | 0.772 3 | 0.569 8 | 0.475 7 | 0.775 1 | 1.000 0 |
| 甬优7860 | 0.852 6 | 0.874 4 | 0.621 0 | 0.536 2 | 0.585 3 | 0.596 0 | 0.753 8 | 0.909 4 | 1.000 0 |
| 春优165 | 0.809 9 | 0.546 2 | 0.526 0 | 0.772 5 | 0.831 8 | 0.785 2 | 0.835 8 | 0.580 7 | 1.000 0 |
| 甬优4911 | 0.946 5 | 0.756 4 | 0.644 4 | 0.673 2 | 0.478 1 | 0.532 8 | 0.933 3 | 0.438 9 | 1.000 0 |
| 甬优36 | 0.508 5 | 0.426 5 | 0.426 4 | 0.514 1 | 0.570 7 | 0.624 8 | 0.738 6 | 0.820 4 | 1.000 0 |
| 关联度 | 0.721 7 | 0.649 3 | 0.593 7 | 0.622 7 | 0.630 0 | 0.624 4 | 0.706 9 | 0.681 8 | 1.000 0 |
| 加权系数 | 0.115 8 | 0.104 2 | 0.095 3 | 0.100 0 | 0.101 1 | 0.100 2 | 0.113 5 | 0.109 4 | 0.160 5 |
| 关联度排名 | 1 | 4 | 8 | 7 | 5 | 6 | 2 | 3 | — |
| 品种 | 生育期 | 株高 | 穗长 | 有效穗数 | 每穗总粒数 | 每穗实粒数 | 结实率 | 千粒重 | 产量 |
|---|---|---|---|---|---|---|---|---|---|
| 长优1103 | 0.560 1 | 0.464 6 | 0.398 9 | 0.879 1 | 0.627 9 | 0.605 2 | 0.449 4 | 0.368 3 | 0.549 1 |
| 嘉丰优2号 | 0.560 1 | 0.442 2 | 0.636 3 | 0.470 1 | 0.615 3 | 1.000 0 | 0.577 7 | 0.495 8 | 0.543 8 |
| 长优780 | 0.433 0 | 0.626 8 | 0.846 1 | 0.489 0 | 0.414 0 | 0.430 8 | 0.521 0 | 0.679 2 | 0.702 3 |
| 浙杭优820 | 0.433 0 | 0.808 5 | 0.578 9 | 0.366 0 | 1.000 0 | 0.896 7 | 0.441 1 | 0.500 8 | 0.482 7 |
| 春优167 | 0.488 4 | 0.886 5 | 0.435 0 | 0.421 1 | 0.482 0 | 0.600 5 | 0.922 0 | 0.450 8 | 0.615 8 |
| 嘉优中科13?1 | 0.433 0 | 0.712 6 | 0.562 0 | 0.470 1 | 0.498 1 | 0.606 5 | 0.816 1 | 0.453 4 | 0.361 3 |
| 甬优59 | 0.718 0 | 0.478 9 | 0.578 9 | 0.416 3 | 0.504 3 | 0.605 8 | 0.771 8 | 0.709 1 | 0.675 6 |
| 嘉丰优27 | 0.388 9 | 0.559 5 | 0.596 9 | 0.476 2 | 0.453 8 | 0.539 0 | 0.817 5 | 1.000 0 | 0.405 1 |
| 浙科优4号 | 0.884 2 | 0.407 6 | 0.509 9 | 0.634 0 | 0.462 9 | 0.561 1 | 0.868 9 | 0.589 6 | 0.524 8 |
| 甬优79 | 0.409 8 | 0.586 8 | 0.733 3 | 0.509 6 | 0.333 3 | 0.350 0 | 0.558 3 | 0.511 6 | 0.551 3 |
| 甬优1540 | 0.488 4 | 0.981 2 | 0.455 6 | 0.458 2 | 0.480 6 | 0.580 7 | 0.823 7 | 0.436 6 | 0.951 6 |
| 春优801 | 0.560 1 | 0.653 0 | 0.372 0 | 1.000 0 | 0.414 8 | 0.389 1 | 0.377 9 | 0.557 7 | 0.551 1 |
| 甬优7860 | 0.718 0 | 0.527 3 | 0.472 4 | 0.431 1 | 0.439 5 | 0.498 2 | 0.698 2 | 0.612 9 | 0.766 1 |
| 春优165 | 0.488 4 | 0.957 1 | 0.375 6 | 0.592 6 | 0.538 5 | 0.656 7 | 0.765 8 | 0.406 2 | 0.610 8 |
| 甬优4911 | 0.718 0 | 0.515 2 | 0.531 0 | 0.548 0 | 0.417 3 | 0.504 7 | 1.000 0 | 0.413 7 | 0.904 4 |
| 甬优36 | 0.488 4 | 0.871 7 | 0.411 7 | 0.476 2 | 0.492 0 | 0.608 5 | 0.874 3 | 0.694 4 | 1.000 0 |
Table 3 Association analysis between indica-japonica hybrid late rice varieties and corresponding traits of optimal combination
| 品种 | 生育期 | 株高 | 穗长 | 有效穗数 | 每穗总粒数 | 每穗实粒数 | 结实率 | 千粒重 | 产量 |
|---|---|---|---|---|---|---|---|---|---|
| 长优1103 | 0.560 1 | 0.464 6 | 0.398 9 | 0.879 1 | 0.627 9 | 0.605 2 | 0.449 4 | 0.368 3 | 0.549 1 |
| 嘉丰优2号 | 0.560 1 | 0.442 2 | 0.636 3 | 0.470 1 | 0.615 3 | 1.000 0 | 0.577 7 | 0.495 8 | 0.543 8 |
| 长优780 | 0.433 0 | 0.626 8 | 0.846 1 | 0.489 0 | 0.414 0 | 0.430 8 | 0.521 0 | 0.679 2 | 0.702 3 |
| 浙杭优820 | 0.433 0 | 0.808 5 | 0.578 9 | 0.366 0 | 1.000 0 | 0.896 7 | 0.441 1 | 0.500 8 | 0.482 7 |
| 春优167 | 0.488 4 | 0.886 5 | 0.435 0 | 0.421 1 | 0.482 0 | 0.600 5 | 0.922 0 | 0.450 8 | 0.615 8 |
| 嘉优中科13?1 | 0.433 0 | 0.712 6 | 0.562 0 | 0.470 1 | 0.498 1 | 0.606 5 | 0.816 1 | 0.453 4 | 0.361 3 |
| 甬优59 | 0.718 0 | 0.478 9 | 0.578 9 | 0.416 3 | 0.504 3 | 0.605 8 | 0.771 8 | 0.709 1 | 0.675 6 |
| 嘉丰优27 | 0.388 9 | 0.559 5 | 0.596 9 | 0.476 2 | 0.453 8 | 0.539 0 | 0.817 5 | 1.000 0 | 0.405 1 |
| 浙科优4号 | 0.884 2 | 0.407 6 | 0.509 9 | 0.634 0 | 0.462 9 | 0.561 1 | 0.868 9 | 0.589 6 | 0.524 8 |
| 甬优79 | 0.409 8 | 0.586 8 | 0.733 3 | 0.509 6 | 0.333 3 | 0.350 0 | 0.558 3 | 0.511 6 | 0.551 3 |
| 甬优1540 | 0.488 4 | 0.981 2 | 0.455 6 | 0.458 2 | 0.480 6 | 0.580 7 | 0.823 7 | 0.436 6 | 0.951 6 |
| 春优801 | 0.560 1 | 0.653 0 | 0.372 0 | 1.000 0 | 0.414 8 | 0.389 1 | 0.377 9 | 0.557 7 | 0.551 1 |
| 甬优7860 | 0.718 0 | 0.527 3 | 0.472 4 | 0.431 1 | 0.439 5 | 0.498 2 | 0.698 2 | 0.612 9 | 0.766 1 |
| 春优165 | 0.488 4 | 0.957 1 | 0.375 6 | 0.592 6 | 0.538 5 | 0.656 7 | 0.765 8 | 0.406 2 | 0.610 8 |
| 甬优4911 | 0.718 0 | 0.515 2 | 0.531 0 | 0.548 0 | 0.417 3 | 0.504 7 | 1.000 0 | 0.413 7 | 0.904 4 |
| 甬优36 | 0.488 4 | 0.871 7 | 0.411 7 | 0.476 2 | 0.492 0 | 0.608 5 | 0.874 3 | 0.694 4 | 1.000 0 |
| 品种 | 等权关联度 | 排名 | 加权关联度 | 排名 |
|---|---|---|---|---|
| 长优1103 | 0.544 7 | 14 | 0.542 7 | 13 |
| 嘉丰优2号 | 0.593 5 | 8 | 0.588 1 | 10 |
| 长优780 | 0.571 4 | 12 | 0.576 2 | 11 |
| 浙杭优820 | 0.612 0 | 4 | 0.599 4 | 7 |
| 春优167 | 0.589 1 | 9 | 0.594 2 | 8 |
| 嘉优中科13?1 | 0.545 9 | 13 | 0.536 3 | 15 |
| 甬优59 | 0.606 5 | 5 | 0.615 1 | 4 |
| 嘉丰优27 | 0.581 9 | 10 | 0.574 9 | 12 |
| 浙科优4号 | 0.604 8 | 6 | 0.607 2 | 5 |
| 甬优79 | 0.504 9 | 16 | 0.506 0 | 16 |
| 甬优1540 | 0.628 5 | 2 | 0.648 8 | 2 |
| 春优801 | 0.541 7 | 15 | 0.541 6 | 14 |
| 甬优7860 | 0.573 8 | 11 | 0.589 8 | 9 |
| 春优165 | 0.599 1 | 7 | 0.601 0 | 6 |
| 甬优4911 | 0.616 9 | 3 | 0.638 9 | 3 |
| 甬优36 | 0.657 5 | 1 | 0.680 7 | 1 |
Table 4 Analysis of equal weight association,weighted association and yield variance of new indica-japonica hybrid late rice varieties under continuous cropping
| 品种 | 等权关联度 | 排名 | 加权关联度 | 排名 |
|---|---|---|---|---|
| 长优1103 | 0.544 7 | 14 | 0.542 7 | 13 |
| 嘉丰优2号 | 0.593 5 | 8 | 0.588 1 | 10 |
| 长优780 | 0.571 4 | 12 | 0.576 2 | 11 |
| 浙杭优820 | 0.612 0 | 4 | 0.599 4 | 7 |
| 春优167 | 0.589 1 | 9 | 0.594 2 | 8 |
| 嘉优中科13?1 | 0.545 9 | 13 | 0.536 3 | 15 |
| 甬优59 | 0.606 5 | 5 | 0.615 1 | 4 |
| 嘉丰优27 | 0.581 9 | 10 | 0.574 9 | 12 |
| 浙科优4号 | 0.604 8 | 6 | 0.607 2 | 5 |
| 甬优79 | 0.504 9 | 16 | 0.506 0 | 16 |
| 甬优1540 | 0.628 5 | 2 | 0.648 8 | 2 |
| 春优801 | 0.541 7 | 15 | 0.541 6 | 14 |
| 甬优7860 | 0.573 8 | 11 | 0.589 8 | 9 |
| 春优165 | 0.599 1 | 7 | 0.601 0 | 6 |
| 甬优4911 | 0.616 9 | 3 | 0.638 9 | 3 |
| 甬优36 | 0.657 5 | 1 | 0.680 7 | 1 |
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