Rice Science ›› 2017, Vol. 24 ›› Issue (1): 32-40.DOI: 10.1016/j.rsci.2016.05.006
收稿日期:2016-02-24
接受日期:2016-05-05
出版日期:2017-01-10
发布日期:2016-11-01
. [J]. Rice Science, 2017, 24(1): 32-40.
| QTL | Marker | Plant number |
|---|---|---|
| qHTSF1.1 | RM431 | IWP-201, IWP-143, IWP-245, IWP-215, IWP-275 |
| qHTSF4.1 | RM5757 | IWP-129, IWP-101, IWP-105, IWP-116, IWP-240 |
| qHTSF1.1 and qHTSF4.1 | RM431, RM5757 | IWP-295, IWP-277, IWP-246, IWP-296, IWP-166, IWP-158, IWP-265, IWP-153, IWP-139, IWP-233 |
| Absence of qHTSF1.1 and qHTSF4.1 | RM431, RM5757 | IWP-147, IWP-142, IWP-141, IWP-146, IWP-104 |
Table 1 Segregating progenies selected with different combinations of QTLs related to high-temperature stress in rice.
| QTL | Marker | Plant number |
|---|---|---|
| qHTSF1.1 | RM431 | IWP-201, IWP-143, IWP-245, IWP-215, IWP-275 |
| qHTSF4.1 | RM5757 | IWP-129, IWP-101, IWP-105, IWP-116, IWP-240 |
| qHTSF1.1 and qHTSF4.1 | RM431, RM5757 | IWP-295, IWP-277, IWP-246, IWP-296, IWP-166, IWP-158, IWP-265, IWP-153, IWP-139, IWP-233 |
| Absence of qHTSF1.1 and qHTSF4.1 | RM431, RM5757 | IWP-147, IWP-142, IWP-141, IWP-146, IWP-104 |
| Date | Ambient chamber | Elevated chamber | Date | Ambient chamber | Elevated chamber | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Tmax (ºC) | RH (%) | Tmax (ºC) | RH (%) | Tmax (ºC) | RH (%) | Tmax (ºC) | RH (%) | ||||
| 2015-03-01 | 34.0 | 86.3 | 36.2 | 84.1 | 2015-03-19 | 35.8 | 78.7 | 37.1 | 77.8 | ||
| 2015-03-02 | 34.2 | 85.6 | 36.2 | 83.7 | 2015-03-20 | 35.6 | 80.3 | 37.7 | 78.4 | ||
| 2015-03-03 | 34.0 | 85.9 | 36.1 | 83.0 | 2015-03-21 | 35.2 | 82.8 | 37.2 | 81.5 | ||
| 2015-03-04 | 33.0 | 90.3 | 35.2 | 88.1 | 2015-03-22 | 35.5 | 69.1 | 37.3 | 67.6 | ||
| 2015-03-05 | 34.4 | 85.1 | 36.7 | 84.2 | 2015-03-23 | 36.5 | 81.5 | 38.2 | 79.7 | ||
| 2015-03-06 | 34.0 | 83.2 | 36.5 | 82.5 | 2015-03-24 | 37.0 | 86.2 | 39.9 | 85.2 | ||
| 2015-03-07 | 34.0 | 89.6 | 36.1 | 88.7 | 2015-03-25 | 37.0 | 82.4 | 39.4 | 80.4 | ||
| 2015-03-08 | 33.7 | 83.7 | 35.8 | 81.0 | 2015-03-26 | 36.2 | 74.5 | 38.1 | 72.0 | ||
| 2015-03-09 | 33.2 | 80.0 | 35.4 | 78.5 | 2015-03-27 | 34.5 | 87.6 | 36.3 | 85.4 | ||
| 2015-03-10 | 33.0 | 81.4 | 36.5 | 80.4 | 2015-03-28 | 35.0 | 85.8 | 37.2 | 83.1 | ||
| 2015-03-11 | 33.8 | 79.4 | 36.0 | 77.2 | 2015-03-29 | 34.8 | 84.9 | 36.1 | 82.9 | ||
| 2015-03-12 | 33.2 | 83.5 | 35.7 | 81.9 | 2015-03-30 | 36.0 | 84.1 | 38.9 | 82.7 | ||
| 2015-03-13 | 32.5 | 79.1 | 35.3 | 77.8 | 2015-03-31 | 35.4 | 78.0 | 35.6 | 76.5 | ||
| 2015-03-14 | 33.6 | 78.9 | 35.2 | 77.5 | 2015-04-01 | 36.2 | 80.4 | 38.1 | 78.1 | ||
| 2015-03-15 | 33.5 | 82.8 | 35.5 | 80.1 | 2015-04-02 | 37.4 | 76.2 | 39.5 | 74.2 | ||
| 2015-03-16 | 31.7 | 85.6 | 33.6 | 84.6 | 2015-04-03 | 38.7 | 86.1 | 40.0 | 85.5 | ||
| 2015-03-17 | 33.4 | 83.5 | 36.2 | 81.7 | 2015-04-04 | 38.4 | 87.5 | 40.2 | 85.4 | ||
| 2015-03-18 | 34.8 | 77.4 | 36.0 | 75.6 | 2015-04-05 | 39.8 | 81.7 | 41.2 | 80.6 | ||
Table 2 Maximum temperature (Tmax) and related humidity (RH) in ambient and elevated chambers from 1 March to 5 April in 2015.
| Date | Ambient chamber | Elevated chamber | Date | Ambient chamber | Elevated chamber | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Tmax (ºC) | RH (%) | Tmax (ºC) | RH (%) | Tmax (ºC) | RH (%) | Tmax (ºC) | RH (%) | ||||
| 2015-03-01 | 34.0 | 86.3 | 36.2 | 84.1 | 2015-03-19 | 35.8 | 78.7 | 37.1 | 77.8 | ||
| 2015-03-02 | 34.2 | 85.6 | 36.2 | 83.7 | 2015-03-20 | 35.6 | 80.3 | 37.7 | 78.4 | ||
| 2015-03-03 | 34.0 | 85.9 | 36.1 | 83.0 | 2015-03-21 | 35.2 | 82.8 | 37.2 | 81.5 | ||
| 2015-03-04 | 33.0 | 90.3 | 35.2 | 88.1 | 2015-03-22 | 35.5 | 69.1 | 37.3 | 67.6 | ||
| 2015-03-05 | 34.4 | 85.1 | 36.7 | 84.2 | 2015-03-23 | 36.5 | 81.5 | 38.2 | 79.7 | ||
| 2015-03-06 | 34.0 | 83.2 | 36.5 | 82.5 | 2015-03-24 | 37.0 | 86.2 | 39.9 | 85.2 | ||
| 2015-03-07 | 34.0 | 89.6 | 36.1 | 88.7 | 2015-03-25 | 37.0 | 82.4 | 39.4 | 80.4 | ||
| 2015-03-08 | 33.7 | 83.7 | 35.8 | 81.0 | 2015-03-26 | 36.2 | 74.5 | 38.1 | 72.0 | ||
| 2015-03-09 | 33.2 | 80.0 | 35.4 | 78.5 | 2015-03-27 | 34.5 | 87.6 | 36.3 | 85.4 | ||
| 2015-03-10 | 33.0 | 81.4 | 36.5 | 80.4 | 2015-03-28 | 35.0 | 85.8 | 37.2 | 83.1 | ||
| 2015-03-11 | 33.8 | 79.4 | 36.0 | 77.2 | 2015-03-29 | 34.8 | 84.9 | 36.1 | 82.9 | ||
| 2015-03-12 | 33.2 | 83.5 | 35.7 | 81.9 | 2015-03-30 | 36.0 | 84.1 | 38.9 | 82.7 | ||
| 2015-03-13 | 32.5 | 79.1 | 35.3 | 77.8 | 2015-03-31 | 35.4 | 78.0 | 35.6 | 76.5 | ||
| 2015-03-14 | 33.6 | 78.9 | 35.2 | 77.5 | 2015-04-01 | 36.2 | 80.4 | 38.1 | 78.1 | ||
| 2015-03-15 | 33.5 | 82.8 | 35.5 | 80.1 | 2015-04-02 | 37.4 | 76.2 | 39.5 | 74.2 | ||
| 2015-03-16 | 31.7 | 85.6 | 33.6 | 84.6 | 2015-04-03 | 38.7 | 86.1 | 40.0 | 85.5 | ||
| 2015-03-17 | 33.4 | 83.5 | 36.2 | 81.7 | 2015-04-04 | 38.4 | 87.5 | 40.2 | 85.4 | ||
| 2015-03-18 | 34.8 | 77.4 | 36.0 | 75.6 | 2015-04-05 | 39.8 | 81.7 | 41.2 | 80.6 | ||
Fig. 1. Changes in chlorophyll stability index in parents (IWP and N22), progenies with target QTLs (IWP-295, IWP-277, IWP-246, IWP-296 and IWP-233) and progenies without target QTLs (IWP-147, IWP-142, IWP-141, IWP-146 and IWP-104).Bars represent the standard errors of the mean values (n = 5).
| Progeny of IWP × N22 | MDA content (µmol/g) | Percent increase over control (%) | |
|---|---|---|---|
| Ambient temperature | High temperature | ||
| Progeny only with allele of RM431 | |||
| IWP-201 | 0.359 ± 0.004 | 0.690 ± 0.007 | 92.20 |
| IWP-143 | 0.311 ± 0.003 | 0.500 ± 0.005 | 60.77 |
| IWP-245 | 0.401 ± 0.004 | 0.608 ± 0.007 | 51.62 |
| IWP-215 | 0.305 ± 0.004 | 0.502 ± 0.006 | 64.59 |
| IWP-275 | 0.388 ± 0.004 | 0.676 ± 0.007 | 74.23 |
| Progeny only with allele of RM5757 | |||
| IWP-129 | 0.349 ± 0.004 | 0.655 ± 0.007 | 87.68 |
| IWP-107 | 0.374 ± 0.004 | 0.599 ± 0.006 | 60.16 |
| IWP-105 | 0.239 ± 0.003 | 0.550 ± 0.006 | 130.13 |
| IWP-116 | 0.244 ± 0.003 | 0.642 ± 0.008 | 163.11 |
| IWP-240 | 0.254 ± 0.003 | 0.542 ± 0.006 | 113.39 |
| Progeny with both alleles of RM431 and RM5757 | |||
| IWP-295 | 0.418 ± 0.005 | 0.572 ± 0.006 | 36.84 |
| IWP-277 | 0.308 ± 0.003 | 0.456 ± 0.005 | 48.05 |
| IWP-246 | 0.319 ± 0.004 | 0.412 ± 0.005 | 29.15 |
| IWP-296 | 0.335 ± 0.004 | 0.509 ± 0.006 | 51.94 |
| IWP-166 | 0.216 ± 0.002 | 0.447 ± 0.005 | 106.94 |
| IWP-158 | 0.352 ± 0.004 | 0.578 ± 0.006 | 64.20 |
| IWP-265 | 0.245 ± 0.003 | 0.472 ± 0.005 | 92.65 |
| IWP-153 | 0.294 ± 0.003 | 0.604 ± 0.007 | 105.44 |
| IWP-139 | 0.350 ± 0.004 | 0.667 ± 0.007 | 90.57 |
| IWP-233 | 0.300 ± 0.003 | 0.502 ± 0.005 | 67.33 |
| Progeny without alleles of RM431 and RM5757 | |||
| IWP-147 | 0.350 ± 0.004 | 0.843 ± 0.009 | 140.86 |
| IWP-142 | 0.365 ± 0.004 | 0.898 ± 0.010 | 146.03 |
| IWP-141 | 0.498 ± 0.006 | 0.943 ± 0.010 | 89.36 |
| IWP-146 | 0.314 ± 0.004 | 0.874 ± 0.010 | 178.34 |
| IWP-104 | 0.341 ± 0.004 | 0.988 ± 0.011 | 189.74 |
| Parent | |||
| IWP | 0.326 ± 0.004 | 0.675 ± 0.007 | 107.06 |
| N22 | 0.309 ± 0.003 | 0.423 ± 0.005 | 36.89 |
| SE = 0.0082; CD = 0.0163 (P < 0.05). | |||
Table 3 Malondialdehyde (MDA) content (Mean ± SE, n = 5) in progenies of IWP × N22 exposed to high-temperature stress.
| Progeny of IWP × N22 | MDA content (µmol/g) | Percent increase over control (%) | |
|---|---|---|---|
| Ambient temperature | High temperature | ||
| Progeny only with allele of RM431 | |||
| IWP-201 | 0.359 ± 0.004 | 0.690 ± 0.007 | 92.20 |
| IWP-143 | 0.311 ± 0.003 | 0.500 ± 0.005 | 60.77 |
| IWP-245 | 0.401 ± 0.004 | 0.608 ± 0.007 | 51.62 |
| IWP-215 | 0.305 ± 0.004 | 0.502 ± 0.006 | 64.59 |
| IWP-275 | 0.388 ± 0.004 | 0.676 ± 0.007 | 74.23 |
| Progeny only with allele of RM5757 | |||
| IWP-129 | 0.349 ± 0.004 | 0.655 ± 0.007 | 87.68 |
| IWP-107 | 0.374 ± 0.004 | 0.599 ± 0.006 | 60.16 |
| IWP-105 | 0.239 ± 0.003 | 0.550 ± 0.006 | 130.13 |
| IWP-116 | 0.244 ± 0.003 | 0.642 ± 0.008 | 163.11 |
| IWP-240 | 0.254 ± 0.003 | 0.542 ± 0.006 | 113.39 |
| Progeny with both alleles of RM431 and RM5757 | |||
| IWP-295 | 0.418 ± 0.005 | 0.572 ± 0.006 | 36.84 |
| IWP-277 | 0.308 ± 0.003 | 0.456 ± 0.005 | 48.05 |
| IWP-246 | 0.319 ± 0.004 | 0.412 ± 0.005 | 29.15 |
| IWP-296 | 0.335 ± 0.004 | 0.509 ± 0.006 | 51.94 |
| IWP-166 | 0.216 ± 0.002 | 0.447 ± 0.005 | 106.94 |
| IWP-158 | 0.352 ± 0.004 | 0.578 ± 0.006 | 64.20 |
| IWP-265 | 0.245 ± 0.003 | 0.472 ± 0.005 | 92.65 |
| IWP-153 | 0.294 ± 0.003 | 0.604 ± 0.007 | 105.44 |
| IWP-139 | 0.350 ± 0.004 | 0.667 ± 0.007 | 90.57 |
| IWP-233 | 0.300 ± 0.003 | 0.502 ± 0.005 | 67.33 |
| Progeny without alleles of RM431 and RM5757 | |||
| IWP-147 | 0.350 ± 0.004 | 0.843 ± 0.009 | 140.86 |
| IWP-142 | 0.365 ± 0.004 | 0.898 ± 0.010 | 146.03 |
| IWP-141 | 0.498 ± 0.006 | 0.943 ± 0.010 | 89.36 |
| IWP-146 | 0.314 ± 0.004 | 0.874 ± 0.010 | 178.34 |
| IWP-104 | 0.341 ± 0.004 | 0.988 ± 0.011 | 189.74 |
| Parent | |||
| IWP | 0.326 ± 0.004 | 0.675 ± 0.007 | 107.06 |
| N22 | 0.309 ± 0.003 | 0.423 ± 0.005 | 36.89 |
| SE = 0.0082; CD = 0.0163 (P < 0.05). | |||
Fig. 2. Spikelet fertility in parents (IWP and N22), progenies with target QTLs (IWP-295, IWP-277, IWP-246, IWP-296 and IWP-233) (A) and progenies without target QTLs (IWP-147, IWP-142, IWP-141, IWP-146 and IWP-104) (B).Bars represent the standard errors of the mean values (n = 5).
| Progeny of IWP × N22 | Grain yield/plant | TDM | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Ambient temperature | High temperature | Ambient temperature | High temperature | ||||||
| Progeny only with allele of RM431 | |||||||||
| IWP-201 | 39.18 | 35.97 | 125.8 | 118.7 | |||||
| IWP-143 | 36.52 | 33.81 | 117.7 | 109.7 | |||||
| IWP-245 | 32.71 | 29.26 | 109.8 | 97.7 | |||||
| IWP-215 | 33.68 | 30.92 | 112.7 | 105.7 | |||||
| IWP-275 | 37.79 | 33.26 | 123.9 | 107.7 | |||||
| Progeny only with allele of RM5757 | |||||||||
| IWP-129 | 38.51 | 34.49 | 125.8 | 115.7 | |||||
| IWP-107 | 31.89 | 28.37 | 105.7 | 95.6 | |||||
| IWP-105 | 34.05 | 30.70 | 114.8 | 101.7 | |||||
| IWP-116 | 31.64 | 27.53 | 104.6 | 98.6 | |||||
| IWP-240 | 36.97 | 33.64 | 120.8 | 108.8 | |||||
| Progeny with both alleles of RM431 and RM5757 | |||||||||
| IWP-295 | 38.68 | 36.21 | 128.8 | 121.8 | |||||
| IWP-277 | 40.42 | 38.86 | 152.9 | 148.9 | |||||
| IWP-246 | 39.57 | 36.95 | 139.0 | 133.9 | |||||
| IWP-296 | 37.94 | 35.41 | 129.8 | 123.8 | |||||
| IWP-166 | 32.68 | 29.73 | 108.8 | 98.7 | |||||
| IWP-158 | 35.67 | 32.86 | 116.8 | 107.7 | |||||
| IWP-265 | 31.03 | 28.98 | 102.7 | 97.7 | |||||
| IWP-153 | 33.08 | 30.19 | 110.8 | 101.7 | |||||
| IWP-139 | 37.45 | 34.44 | 126.9 | 119.8 | |||||
| IWP-233 | 36.75 | 33.14 | 122.8 | 118.7 | |||||
| Progeny without alleles of RM431 and RM5757 | |||||||||
| IWP-147 | 36.74 | 30.14 | 118.7 | 101.6 | |||||
| IWP-142 | 32.25 | 26.49 | 107.7 | 92.6 | |||||
| IWP-141 | 30.44 | 25.21 | 101.7 | 89.6 | |||||
| IWP-146 | 34.90 | 28.97 | 114.7 | 97.6 | |||||
| IWP-104 | 33.17 | 28.63 | 110.8 | 95.7 | |||||
| Parent | |||||||||
| IWP | 38.41 | 32.87 | 124.8 | 107.7 | |||||
| N22 | 32.55 | 30.29 | 108.7 | 101.6 | |||||
| SE = 1.768; CD = 3.504 (P < 0.05). | |||||||||
Table 4 Genetic variation of grain yield and total dry matter (TDM) in IWP, N22 and their progenies.
| Progeny of IWP × N22 | Grain yield/plant | TDM | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Ambient temperature | High temperature | Ambient temperature | High temperature | ||||||
| Progeny only with allele of RM431 | |||||||||
| IWP-201 | 39.18 | 35.97 | 125.8 | 118.7 | |||||
| IWP-143 | 36.52 | 33.81 | 117.7 | 109.7 | |||||
| IWP-245 | 32.71 | 29.26 | 109.8 | 97.7 | |||||
| IWP-215 | 33.68 | 30.92 | 112.7 | 105.7 | |||||
| IWP-275 | 37.79 | 33.26 | 123.9 | 107.7 | |||||
| Progeny only with allele of RM5757 | |||||||||
| IWP-129 | 38.51 | 34.49 | 125.8 | 115.7 | |||||
| IWP-107 | 31.89 | 28.37 | 105.7 | 95.6 | |||||
| IWP-105 | 34.05 | 30.70 | 114.8 | 101.7 | |||||
| IWP-116 | 31.64 | 27.53 | 104.6 | 98.6 | |||||
| IWP-240 | 36.97 | 33.64 | 120.8 | 108.8 | |||||
| Progeny with both alleles of RM431 and RM5757 | |||||||||
| IWP-295 | 38.68 | 36.21 | 128.8 | 121.8 | |||||
| IWP-277 | 40.42 | 38.86 | 152.9 | 148.9 | |||||
| IWP-246 | 39.57 | 36.95 | 139.0 | 133.9 | |||||
| IWP-296 | 37.94 | 35.41 | 129.8 | 123.8 | |||||
| IWP-166 | 32.68 | 29.73 | 108.8 | 98.7 | |||||
| IWP-158 | 35.67 | 32.86 | 116.8 | 107.7 | |||||
| IWP-265 | 31.03 | 28.98 | 102.7 | 97.7 | |||||
| IWP-153 | 33.08 | 30.19 | 110.8 | 101.7 | |||||
| IWP-139 | 37.45 | 34.44 | 126.9 | 119.8 | |||||
| IWP-233 | 36.75 | 33.14 | 122.8 | 118.7 | |||||
| Progeny without alleles of RM431 and RM5757 | |||||||||
| IWP-147 | 36.74 | 30.14 | 118.7 | 101.6 | |||||
| IWP-142 | 32.25 | 26.49 | 107.7 | 92.6 | |||||
| IWP-141 | 30.44 | 25.21 | 101.7 | 89.6 | |||||
| IWP-146 | 34.90 | 28.97 | 114.7 | 97.6 | |||||
| IWP-104 | 33.17 | 28.63 | 110.8 | 95.7 | |||||
| Parent | |||||||||
| IWP | 38.41 | 32.87 | 124.8 | 107.7 | |||||
| N22 | 32.55 | 30.29 | 108.7 | 101.6 | |||||
| SE = 1.768; CD = 3.504 (P < 0.05). | |||||||||
| CSI | MDA | Sterility | Yield | TDM | |
|---|---|---|---|---|---|
| CSI | 1.0000 | ||||
| MDA | -0.3476* | 1.0000 | |||
| Sterility | -0.3006* | 0.7759** | 1.0000 | ||
| Yield | 0.6209** | -0.5207** | -0.5358** | 1.0000 | |
| TDM | 0.5621** | -0.4921** | -0.5256** | 0.9633** | 1.0000 |
| CSI, Chlorophyll stability index; MDA, Malondialdehyde content; TDM, Total dry matter. * and ** mean significant difference at the 0.05 and 0.01 levels, repectively, by two tailed Pearson’s correlation. | |||||
Table 5 Correlation of physiological traits with yield under high- temperature stress.
| CSI | MDA | Sterility | Yield | TDM | |
|---|---|---|---|---|---|
| CSI | 1.0000 | ||||
| MDA | -0.3476* | 1.0000 | |||
| Sterility | -0.3006* | 0.7759** | 1.0000 | ||
| Yield | 0.6209** | -0.5207** | -0.5358** | 1.0000 | |
| TDM | 0.5621** | -0.4921** | -0.5256** | 0.9633** | 1.0000 |
| CSI, Chlorophyll stability index; MDA, Malondialdehyde content; TDM, Total dry matter. * and ** mean significant difference at the 0.05 and 0.01 levels, repectively, by two tailed Pearson’s correlation. | |||||
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