Rice Science ›› 2018, Vol. 25 ›› Issue (1): 32-41.DOI: 10.1016/j.rsci.2017.09.001
收稿日期:2016-12-30
接受日期:2017-09-25
出版日期:2018-01-28
发布日期:2017-11-16
. [J]. Rice Science, 2018, 25(1): 32-41.
| Accession | Leaf | LP | MP | SP | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| stage | HT | MT | LT | HT | MT | LT | HT | MT | LT | |||
| O. longistaminata | 2-3 | -0.51 Bh | -0.57 Bh | -0.07 Acde | -0.51 Bg | -0.58 Bg | -0.07 Abc | -0.50 Be | -0.53 Bf | -0.05 Aabc | ||
| 5-6 | -0.33 Ede | -0.26 Dcd | -0.08 Adef | -0.26 Dbcd | -0.17 Cb | -0.07 Abc | -0.16 BCcd | -0.13 Bbc | -0.06 Abc | |||
| 7-8 | -0.41 Efg | -0.38 DEf | -0.10 Af | -0.32 CDe | -0.30 Cde | -0.09 Ac | -0.23 Bd | -0.20 Bd | -0.08 Ac | |||
| RD23 | 2-3 | -0.04 Aa | -0.04 Aa | -0.03 Aa | -0.04 Aa | -0.04 Aa | -0.03 Aa | -0.03 Aab | -0.03 Aa | -0.02 Aa | ||
| 5-6 | -0.03 Aa | -0.04 Aa | -0.03 Aa | -0.04 Aa | -0.04 Aa | -0.03 Aa | -0.02 Aa | -0.03 Aa | -0.02 Aa | |||
| 7-8 | -0.04 Aa | -0.03 Aa | -0.03 Aa | -0.04 Aa | -0.04 Aa | -0.03 Aa | -0.03 Aab | -0.03 Aa | -0.02 Aa | |||
| F1 | 2-3 | -0.44 Bg | -0.48 Bg | -0.06 Abcde | -0.45 Bf | -0.51 Bf | -0.06 Aabc | -0.43 Be | -0.46 Be | -0.05 Aabc | ||
| 5-6 | -0.31 Dcde | -0.23 Cbc | -0.07 Acde | -0.23 Cbc | -0.18 Bb | -0.06 Aabc | -0.17 Bcd | -0.15 Bbcd | -0.05 Aabc | |||
| 7-8 | -0.37 Eef | -0.34 Eef | -0.08 Adef | -0.28 Dcde | -0.26 CDcde | -0.07 Abc | -0.20 BCcd | -0.18 Bcd | -0.07 Abc | |||
| RL159 | 2-3 | -0.47 Bgh | -0.51 Bg | -0.05 Aabc | -0.49 Bfg | -0.53 Bfg | -0.05 Aab | -0.45 Be | -0.50 Bef | -0.04 Aabc | ||
| 5-6 | -0.32 Ede | -0.24 Dbc | -0.06 Abcde | -0.26 Dbcd | -0.15 Bb | -0.07 Abc | -0.19 Ccd | -0.16 BCbcd | -0.06 Abc | |||
| 7-8 | -0.37 Eef | -0.35 DEef | -0.08 Adef | -0.31 Dde | -0.25 Ccd | -0.07 Abc | -0.21 BCd | -0.17 Bbcd | -0.06 Abc | |||
| RL169 | 2-3 | -0.29 Ccd | -0.30 Cde | -0.04 Aab | -0.30 Cde | -0.32 Ce | -0.04 Aa | -0.24 Bd | -0.21 Bd | -0.04 Aabc | ||
| 5-6 | -0.25 Dbc | -0.21 CDbc | -0.05 Aabc | -0.21 CDb | -0.20 CDbc | -0.05 Aab | -0.16 BCcd | -0.13 Bbc | -0.04 Aabc | |||
| 7-8 | -0.22 Cb | -0.18 Cb | -0.04 Aab | -0.20 Cb | -0.18 Cb | -0.05 Aab | -0.11 Bbc | -0.10 Bb | -0.03 Aab | |||
| RL219 | 2-3 | -0.08 Ba | -0.06 ABa | -0.06 ABbcde | -0.06 ABa | -0.06 ABa | -0.04 Aa | -0.04 Aab | -0.04 Aa | -0.03 Aab | ||
| 5-6 | -0.06 Aa | -0.05 Aa | -0.04 Aab | -0.05 Aa | -0.05 Aa | -0.05 Aab | -0.03 Aab | -0.03 Aa | -0.03 Aab | |||
| 7-8 | -0.06 Aa | -0.06 Aa | -0.05 Aabc | -0.05 Aa | -0.05 Aa | -0.05 Aab | -0.03 Aab | -0.03 Aa | -0.03 Aab | |||
Table 1 Effects of temperature and light on allelopathic synthetic effect of O. longistaminata and its descendants at different growth stages.
| Accession | Leaf | LP | MP | SP | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| stage | HT | MT | LT | HT | MT | LT | HT | MT | LT | |||
| O. longistaminata | 2-3 | -0.51 Bh | -0.57 Bh | -0.07 Acde | -0.51 Bg | -0.58 Bg | -0.07 Abc | -0.50 Be | -0.53 Bf | -0.05 Aabc | ||
| 5-6 | -0.33 Ede | -0.26 Dcd | -0.08 Adef | -0.26 Dbcd | -0.17 Cb | -0.07 Abc | -0.16 BCcd | -0.13 Bbc | -0.06 Abc | |||
| 7-8 | -0.41 Efg | -0.38 DEf | -0.10 Af | -0.32 CDe | -0.30 Cde | -0.09 Ac | -0.23 Bd | -0.20 Bd | -0.08 Ac | |||
| RD23 | 2-3 | -0.04 Aa | -0.04 Aa | -0.03 Aa | -0.04 Aa | -0.04 Aa | -0.03 Aa | -0.03 Aab | -0.03 Aa | -0.02 Aa | ||
| 5-6 | -0.03 Aa | -0.04 Aa | -0.03 Aa | -0.04 Aa | -0.04 Aa | -0.03 Aa | -0.02 Aa | -0.03 Aa | -0.02 Aa | |||
| 7-8 | -0.04 Aa | -0.03 Aa | -0.03 Aa | -0.04 Aa | -0.04 Aa | -0.03 Aa | -0.03 Aab | -0.03 Aa | -0.02 Aa | |||
| F1 | 2-3 | -0.44 Bg | -0.48 Bg | -0.06 Abcde | -0.45 Bf | -0.51 Bf | -0.06 Aabc | -0.43 Be | -0.46 Be | -0.05 Aabc | ||
| 5-6 | -0.31 Dcde | -0.23 Cbc | -0.07 Acde | -0.23 Cbc | -0.18 Bb | -0.06 Aabc | -0.17 Bcd | -0.15 Bbcd | -0.05 Aabc | |||
| 7-8 | -0.37 Eef | -0.34 Eef | -0.08 Adef | -0.28 Dcde | -0.26 CDcde | -0.07 Abc | -0.20 BCcd | -0.18 Bcd | -0.07 Abc | |||
| RL159 | 2-3 | -0.47 Bgh | -0.51 Bg | -0.05 Aabc | -0.49 Bfg | -0.53 Bfg | -0.05 Aab | -0.45 Be | -0.50 Bef | -0.04 Aabc | ||
| 5-6 | -0.32 Ede | -0.24 Dbc | -0.06 Abcde | -0.26 Dbcd | -0.15 Bb | -0.07 Abc | -0.19 Ccd | -0.16 BCbcd | -0.06 Abc | |||
| 7-8 | -0.37 Eef | -0.35 DEef | -0.08 Adef | -0.31 Dde | -0.25 Ccd | -0.07 Abc | -0.21 BCd | -0.17 Bbcd | -0.06 Abc | |||
| RL169 | 2-3 | -0.29 Ccd | -0.30 Cde | -0.04 Aab | -0.30 Cde | -0.32 Ce | -0.04 Aa | -0.24 Bd | -0.21 Bd | -0.04 Aabc | ||
| 5-6 | -0.25 Dbc | -0.21 CDbc | -0.05 Aabc | -0.21 CDb | -0.20 CDbc | -0.05 Aab | -0.16 BCcd | -0.13 Bbc | -0.04 Aabc | |||
| 7-8 | -0.22 Cb | -0.18 Cb | -0.04 Aab | -0.20 Cb | -0.18 Cb | -0.05 Aab | -0.11 Bbc | -0.10 Bb | -0.03 Aab | |||
| RL219 | 2-3 | -0.08 Ba | -0.06 ABa | -0.06 ABbcde | -0.06 ABa | -0.06 ABa | -0.04 Aa | -0.04 Aab | -0.04 Aa | -0.03 Aab | ||
| 5-6 | -0.06 Aa | -0.05 Aa | -0.04 Aab | -0.05 Aa | -0.05 Aa | -0.05 Aab | -0.03 Aab | -0.03 Aa | -0.03 Aab | |||
| 7-8 | -0.06 Aa | -0.06 Aa | -0.05 Aabc | -0.05 Aa | -0.05 Aa | -0.05 Aab | -0.03 Aab | -0.03 Aa | -0.03 Aab | |||
| O. longistaminata | Light | 2 | 0.1 | 0.05 | 33.249 | 0.0001 |
|---|---|---|---|---|---|---|
| Temperature | 2 | 1.411 | 0.706 | 468.443 | 0.0001 | |
| Leaf stage | 2 | 0.613 | 0.306 | 203.376 | 0.0001 | |
| Light × Temperature | 4 | 0.03 | 0.008 | 5.046 | 0.0016 | |
| Light × Leaf stage | 4 | 0.028 | 0.007 | 4.612 | 0.0028 | |
| Temperature × Leaf stage | 4 | 0.375 | 0.094 | 62.178 | 0.0001 | |
| Light × Temperature × Leaf stage | 8 | 0.018 | 0.002 | 1.497 | 0.1801 | |
| RD23 | Light | 2 | 0.002 | 0.001 | 3.822 | 0.028 |
| Temperature | 2 | 0.001 | 0 | 1.939 | 0.1537 | |
| Leaf stage | 2 | 0.001 | 0 | 1.606 | 0.2102 | |
| Light × Temperature | 4 | 0 | 0 | 0.064 | 0.9923 | |
| Light × Leaf stage | 4 | 0 | 0 | 0.106 | 0.9801 | |
| Temperature × Leaf stage | 4 | 0 | 0 | 0.247 | 0.9101 | |
| Light × Temperature × Leaf stage | 8 | 0 | 0 | 0.135 | 0.9973 | |
| F1 | Light | 2 | 0.066 | 0.033 | 30.301 | 0.0001 |
| Temperature | 2 | 1.131 | 0.566 | 517.067 | 0.0001 | |
| Leaf stage | 2 | 0.397 | 0.199 | 181.639 | 0.0001 | |
| Light × Temperature | 4 | 0.022 | 0.006 | 5.032 | 0.0016 | |
| Light × Leaf stage | 4 | 0.026 | 0.007 | 5.997 | 0.0005 | |
| Temperature × Leaf stage | 4 | 0.247 | 0.062 | 56.43 | 0.0001 | |
| Light × Temperature × Leaf stage | 8 | 0.014 | 0.002 | 1.551 | 0.1618 | |
| RL159 | Light | 2 | 0.064 | 0.032 | 28.212 | 0.0001 |
| Temperature | 2 | 1.308 | 0.654 | 573.287 | 0.0001 | |
| Leaf stage | 2 | 0.459 | 0.229 | 201.008 | 0.0001 | |
| Light × Temperature | 4 | 0.026 | 0.006 | 5.636 | 0.0007 | |
| Light × Leaf stage | 4 | 0.03 | 0.007 | 6.477 | 0.0002 | |
| Temperature × Leaf stage | 4 | 0.324 | 0.081 | 71.094 | 0.0001 | |
| Light × Temperature × Leaf stage | 8 | 0.018 | 0.002 | 1.939 | 0.0726 | |
| RL169 | Light | 2 | 0.059 | 0.03 | 40.951 | 0.0593 |
| Temperature | 2 | 0.521 | 0.26 | 360.005 | 0.5209 | |
| Leaf stage | 2 | 0.077 | 0.039 | 53.36 | 0.0772 | |
| Light × Temperature | 4 | 0.024 | 0.006 | 8.135 | 0.0235 | |
| Light × Leaf stage | 4 | 0.002 | 0.001 | 0.84 | 0.0024 | |
| Temperature × Leaf stage | 4 | 0.044 | 0.011 | 15.207 | 0.044 | |
| Light × Temperature × Leaf stage | 8 | 0.004 | 0.001 | 0.622 | 0.0036 | |
| RL219 | Light | 2 | 0.009 | 0.004 | 15.109 | 0.0001 |
| Temperature | 2 | 0.001 | 0.001 | 2.404 | 0.0999 | |
| Leaf stage | 2 | 0.001 | 0 | 1.413 | 0.2523 | |
| Light × Temperature | 4 | 0 | 0 | 0.239 | 0.915 | |
| Light × Leaf stage | 4 | 0 | 0 | 0.304 | 0.8738 | |
| Temperature × Leaf stage | 4 | 0 | 0 | 0.278 | 0.8908 | |
| Light × Temperature × Leaf stage | 8 | 0.001 | 0 | 0.304 | 0.9612 |
Table 2 Effects of temperature, light and leaf stage on rice allelopathy (three-way mixed AVOVA results).
| O. longistaminata | Light | 2 | 0.1 | 0.05 | 33.249 | 0.0001 |
|---|---|---|---|---|---|---|
| Temperature | 2 | 1.411 | 0.706 | 468.443 | 0.0001 | |
| Leaf stage | 2 | 0.613 | 0.306 | 203.376 | 0.0001 | |
| Light × Temperature | 4 | 0.03 | 0.008 | 5.046 | 0.0016 | |
| Light × Leaf stage | 4 | 0.028 | 0.007 | 4.612 | 0.0028 | |
| Temperature × Leaf stage | 4 | 0.375 | 0.094 | 62.178 | 0.0001 | |
| Light × Temperature × Leaf stage | 8 | 0.018 | 0.002 | 1.497 | 0.1801 | |
| RD23 | Light | 2 | 0.002 | 0.001 | 3.822 | 0.028 |
| Temperature | 2 | 0.001 | 0 | 1.939 | 0.1537 | |
| Leaf stage | 2 | 0.001 | 0 | 1.606 | 0.2102 | |
| Light × Temperature | 4 | 0 | 0 | 0.064 | 0.9923 | |
| Light × Leaf stage | 4 | 0 | 0 | 0.106 | 0.9801 | |
| Temperature × Leaf stage | 4 | 0 | 0 | 0.247 | 0.9101 | |
| Light × Temperature × Leaf stage | 8 | 0 | 0 | 0.135 | 0.9973 | |
| F1 | Light | 2 | 0.066 | 0.033 | 30.301 | 0.0001 |
| Temperature | 2 | 1.131 | 0.566 | 517.067 | 0.0001 | |
| Leaf stage | 2 | 0.397 | 0.199 | 181.639 | 0.0001 | |
| Light × Temperature | 4 | 0.022 | 0.006 | 5.032 | 0.0016 | |
| Light × Leaf stage | 4 | 0.026 | 0.007 | 5.997 | 0.0005 | |
| Temperature × Leaf stage | 4 | 0.247 | 0.062 | 56.43 | 0.0001 | |
| Light × Temperature × Leaf stage | 8 | 0.014 | 0.002 | 1.551 | 0.1618 | |
| RL159 | Light | 2 | 0.064 | 0.032 | 28.212 | 0.0001 |
| Temperature | 2 | 1.308 | 0.654 | 573.287 | 0.0001 | |
| Leaf stage | 2 | 0.459 | 0.229 | 201.008 | 0.0001 | |
| Light × Temperature | 4 | 0.026 | 0.006 | 5.636 | 0.0007 | |
| Light × Leaf stage | 4 | 0.03 | 0.007 | 6.477 | 0.0002 | |
| Temperature × Leaf stage | 4 | 0.324 | 0.081 | 71.094 | 0.0001 | |
| Light × Temperature × Leaf stage | 8 | 0.018 | 0.002 | 1.939 | 0.0726 | |
| RL169 | Light | 2 | 0.059 | 0.03 | 40.951 | 0.0593 |
| Temperature | 2 | 0.521 | 0.26 | 360.005 | 0.5209 | |
| Leaf stage | 2 | 0.077 | 0.039 | 53.36 | 0.0772 | |
| Light × Temperature | 4 | 0.024 | 0.006 | 8.135 | 0.0235 | |
| Light × Leaf stage | 4 | 0.002 | 0.001 | 0.84 | 0.0024 | |
| Temperature × Leaf stage | 4 | 0.044 | 0.011 | 15.207 | 0.044 | |
| Light × Temperature × Leaf stage | 8 | 0.004 | 0.001 | 0.622 | 0.0036 | |
| RL219 | Light | 2 | 0.009 | 0.004 | 15.109 | 0.0001 |
| Temperature | 2 | 0.001 | 0.001 | 2.404 | 0.0999 | |
| Leaf stage | 2 | 0.001 | 0 | 1.413 | 0.2523 | |
| Light × Temperature | 4 | 0 | 0 | 0.239 | 0.915 | |
| Light × Leaf stage | 4 | 0 | 0 | 0.304 | 0.8738 | |
| Temperature × Leaf stage | 4 | 0 | 0 | 0.278 | 0.8908 | |
| Light × Temperature × Leaf stage | 8 | 0.001 | 0 | 0.304 | 0.9612 |
| Treatment | O. longistaminata | RD23 | F1 | RL159 | RL169 | RL219 | |
|---|---|---|---|---|---|---|---|
| LP | HT | 384.27 ± 11.91 ABd | 352.81 ± 7.29 Bc | 391.34 ± 10.70 Ac | 395.54 ± 14.38 Ac | 389.45 ± 9.24 Ac | 361.81 ± 8.37 ABb |
| MT | 421.43 ± 13.84 ABCbcd | 393.41 ± 9.16 BCab | 427.86 ± 7.24 ABbc | 432.33 ± 11.01 Aabc | 419.74 ± 10.82 ABCabc | 389.14 ± 9.28 Cab | |
| LT | 456.29 ± 10.73 Aab | 419.17 ± 8.42 ABa | 441.71 ± 12.44 ABab | 445.57 ± 9.11 ABab | 443.07 ± 13.81 ABabc | 417.32 ± 10.67 Ba | |
| MP | HT | 392.54 ± 17.93 Acd | 369.64 ± 7.69 Abc | 395.57 ± 11.28 Ac | 404.94 ± 18.89 Abc | 393.56 ± 13.89 Abc | 378.13 ± 9.64 Ab |
| MT | 436.19 ± 15.48 Aabc | 399.14 ± 10.55 Aab | 438.52 ± 13.59 Aab | 435.14 ± 12.46 Aabc | 432.33 ± 12.60 Aabc | 394.82 ± 13.04 Aab | |
| LT | 451.76 ± 11.02 Aab | 423.19 ± 11.60 Aa | 465.15 ± 16.48 Aab | 459.86 ± 13.21 Ab | 455.84 ± 14.61 Aab | 419.19 ± 13.78 Aa | |
| SP | HT | 466.43 ± 21.35 Aab | 409.62 ± 12.83 Ba | 468.13 ± 14.75 Aab | 457.28 ± 18.15 ABc | 451.88 ± 9.41 ABabc | 416.78 ± 11.80 ABa |
| MT | 473.44 ± 16.56 Aa | 415.69 ± 10.09 Ba | 471.76 ± 15.90 Aab | 470.56 ± 14.88 Aa | 463.16 ± 14.25 Aa | 417.39 ± 13.10 Ba | |
| LT | 482.86 ± 15.12 Aa | 417.62 ± 11.47 Ba | 476.19 ± 14.17 Aa | 475.53 ± 11.89 Aa | 471.12 ± 15.24 Aa | 421.03 ± 10.73 Ba | |
Table 3 Specific leaf area (SLA) of different accessions in response to various temperature and light conditions. cm2/g
| Treatment | O. longistaminata | RD23 | F1 | RL159 | RL169 | RL219 | |
|---|---|---|---|---|---|---|---|
| LP | HT | 384.27 ± 11.91 ABd | 352.81 ± 7.29 Bc | 391.34 ± 10.70 Ac | 395.54 ± 14.38 Ac | 389.45 ± 9.24 Ac | 361.81 ± 8.37 ABb |
| MT | 421.43 ± 13.84 ABCbcd | 393.41 ± 9.16 BCab | 427.86 ± 7.24 ABbc | 432.33 ± 11.01 Aabc | 419.74 ± 10.82 ABCabc | 389.14 ± 9.28 Cab | |
| LT | 456.29 ± 10.73 Aab | 419.17 ± 8.42 ABa | 441.71 ± 12.44 ABab | 445.57 ± 9.11 ABab | 443.07 ± 13.81 ABabc | 417.32 ± 10.67 Ba | |
| MP | HT | 392.54 ± 17.93 Acd | 369.64 ± 7.69 Abc | 395.57 ± 11.28 Ac | 404.94 ± 18.89 Abc | 393.56 ± 13.89 Abc | 378.13 ± 9.64 Ab |
| MT | 436.19 ± 15.48 Aabc | 399.14 ± 10.55 Aab | 438.52 ± 13.59 Aab | 435.14 ± 12.46 Aabc | 432.33 ± 12.60 Aabc | 394.82 ± 13.04 Aab | |
| LT | 451.76 ± 11.02 Aab | 423.19 ± 11.60 Aa | 465.15 ± 16.48 Aab | 459.86 ± 13.21 Ab | 455.84 ± 14.61 Aab | 419.19 ± 13.78 Aa | |
| SP | HT | 466.43 ± 21.35 Aab | 409.62 ± 12.83 Ba | 468.13 ± 14.75 Aab | 457.28 ± 18.15 ABc | 451.88 ± 9.41 ABabc | 416.78 ± 11.80 ABa |
| MT | 473.44 ± 16.56 Aa | 415.69 ± 10.09 Ba | 471.76 ± 15.90 Aab | 470.56 ± 14.88 Aa | 463.16 ± 14.25 Aa | 417.39 ± 13.10 Ba | |
| LT | 482.86 ± 15.12 Aa | 417.62 ± 11.47 Ba | 476.19 ± 14.17 Aa | 475.53 ± 11.89 Aa | 471.12 ± 15.24 Aa | 421.03 ± 10.73 Ba | |
| Treatment | O. longistaminata | RD23 | F1 | RL159 | RL169 | RL219 | |
|---|---|---|---|---|---|---|---|
| LP | HT | 58.77 ± 1.25 bc | 60.15 ± 0.94 bc | 60.83 ± 1.43 bc | 58.66 ± 1.48 bc | 61.61 ± 1.10 b | 60.32 ± 1.11 b |
| MT | 60.87 ± 1.21 b | 62.03 ± 1.08 b | 63.17 ± 0.88 b | 60.77 ± 1.56 b | 63.91 ± 0.79 b | 62.69 ± 1.06 b | |
| LT | 66.95 ± 1.28 a | 70.81 ± 0.91 a | 68.75 ± 1.58 a | 67.92 ± 0.84 a | 69.38 ± 0.63 a | 68.35 ± 0.89 a | |
| MP | HT | 56.06 ± 1.06 cd | 57.06 ± 0.76 c | 57.79 ± 1.55 cd | 55.46 ± 1.36 cd | 58.63 ± 1.18 c | 57.24 ± 1.08 c |
| MT | 60.62 ± 1.45 b | 61.78 ± 0.74 b | 62.93 ± 1.22 b | 60.51 ± 1.32 b | 63.67 ± 0.99 b | 62.45 ± 0.94 b | |
| LT | 67.43 ± 1.54 a | 70.27 ± 0.69 a | 68.19 ± 1.15 a | 67.34 ± 0.91 a | 68.82 ± 0.67 a | 67.77 ± 0.80 a | |
| SP | HT | 52.43 ± 1.31 d | 53.39 ± 1.28 d | 45.26 ± 2.06 e | 42.24 ± 1.99 e | 46.36 ± 1.25 e | 44.55 ± 1.13 e |
| MT | 44.11 ± 0.82 e | 53.93 ± 1.41 d | 47.39 ± 2.15 e | 43.96 ± 3.66 e | 48.44 ± 1.06 e | 46.71 ± 1.11 e | |
| LT | 52.28 ± 1.07 d | 59.29 ± 1.15 bc | 53.53 ± 0.99 d | 52.15 ± 2.26 d | 54.46 ± 0.94 d | 52.92 ± 0.92 d | |
Table 4 Stem mass fraction (SMF) of different accessions in response to various temperature and light conditions. g/g
| Treatment | O. longistaminata | RD23 | F1 | RL159 | RL169 | RL219 | |
|---|---|---|---|---|---|---|---|
| LP | HT | 58.77 ± 1.25 bc | 60.15 ± 0.94 bc | 60.83 ± 1.43 bc | 58.66 ± 1.48 bc | 61.61 ± 1.10 b | 60.32 ± 1.11 b |
| MT | 60.87 ± 1.21 b | 62.03 ± 1.08 b | 63.17 ± 0.88 b | 60.77 ± 1.56 b | 63.91 ± 0.79 b | 62.69 ± 1.06 b | |
| LT | 66.95 ± 1.28 a | 70.81 ± 0.91 a | 68.75 ± 1.58 a | 67.92 ± 0.84 a | 69.38 ± 0.63 a | 68.35 ± 0.89 a | |
| MP | HT | 56.06 ± 1.06 cd | 57.06 ± 0.76 c | 57.79 ± 1.55 cd | 55.46 ± 1.36 cd | 58.63 ± 1.18 c | 57.24 ± 1.08 c |
| MT | 60.62 ± 1.45 b | 61.78 ± 0.74 b | 62.93 ± 1.22 b | 60.51 ± 1.32 b | 63.67 ± 0.99 b | 62.45 ± 0.94 b | |
| LT | 67.43 ± 1.54 a | 70.27 ± 0.69 a | 68.19 ± 1.15 a | 67.34 ± 0.91 a | 68.82 ± 0.67 a | 67.77 ± 0.80 a | |
| SP | HT | 52.43 ± 1.31 d | 53.39 ± 1.28 d | 45.26 ± 2.06 e | 42.24 ± 1.99 e | 46.36 ± 1.25 e | 44.55 ± 1.13 e |
| MT | 44.11 ± 0.82 e | 53.93 ± 1.41 d | 47.39 ± 2.15 e | 43.96 ± 3.66 e | 48.44 ± 1.06 e | 46.71 ± 1.11 e | |
| LT | 52.28 ± 1.07 d | 59.29 ± 1.15 bc | 53.53 ± 0.99 d | 52.15 ± 2.26 d | 54.46 ± 0.94 d | 52.92 ± 0.92 d | |
| Trait | Accession | 2-3 leaf stage | 4-5 leaf stage | 7-8 leaf stage |
|---|---|---|---|---|
| SLA | O. longistaminata | 0.49 | 0.89** | 0.81** |
| RD23 | 0.75* | 0.43 | 0.74* | |
| F1 | 0.44 | 0.79** | 0.76* | |
| RL159 | 0.49 | 0.80** | 0.81** | |
| RL169 | 0.68 | 0.81** | 0.87** | |
| RL219 | 0.75* | 0.76* | 0.65* | |
| SMF | O. longistaminata | 0.4 | 0.5 | 0.08 |
| RD23 | 0.03 | -0.19 | 0.07 | |
| F1 | 0.37 | 0.11 | 0.05 | |
| RL159 | 0.44 | 0.23 | 0.1 | |
| RL169 | 0.23 | 0.12 | 0.01 | |
| RL219 | -0.47 | -0.68 | -0.79 |
Table 5 Regression coefficients of the relationship between IRSE and rice functional traits at different growth stages.
| Trait | Accession | 2-3 leaf stage | 4-5 leaf stage | 7-8 leaf stage |
|---|---|---|---|---|
| SLA | O. longistaminata | 0.49 | 0.89** | 0.81** |
| RD23 | 0.75* | 0.43 | 0.74* | |
| F1 | 0.44 | 0.79** | 0.76* | |
| RL159 | 0.49 | 0.80** | 0.81** | |
| RL169 | 0.68 | 0.81** | 0.87** | |
| RL219 | 0.75* | 0.76* | 0.65* | |
| SMF | O. longistaminata | 0.4 | 0.5 | 0.08 |
| RD23 | 0.03 | -0.19 | 0.07 | |
| F1 | 0.37 | 0.11 | 0.05 | |
| RL159 | 0.44 | 0.23 | 0.1 | |
| RL169 | 0.23 | 0.12 | 0.01 | |
| RL219 | -0.47 | -0.68 | -0.79 |
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