From: A genomic perspective on the important genetic mechanisms of upland adaptation of rice
Environment | Phenotypes* | Irrigated rice | Upland rice | P-value | Mean difference |
---|---|---|---|---|---|
Between ecotypes/percentage | Â | Â | Â | Â | Â |
Irrigated environment | Plant height (cm) | 89.5 ± 16.0 | 116.1 ± 22.1 | 6.5e-12 | 26.6/29.7% |
 | Tillering number | 9.8 ± 3.1 | 8.7 ± 2.7 | 0.042 | 1.1/11.2% |
 | Root weight (g) | 12.8 ± 5.7 | 17.2 ± 7.1 | 0.00029 | 4.4 /34.4% |
 | Maximal main root length (cm) | 24.1 ± 2.5 | 27.2 ± 4.1 | 2.0e-06 | 3.1/12.9% |
 | Thousand grain weight (g) | 23.8 ± 2.9 | 25.9 ± 4.3 | 0.0020 | 2.1/8.8% |
 | Number of productive panicles@ | 11.0 ± 3.1 | 9.6 ± 2.7 | 0.015 | 1.4/12.7% |
 | Number of filled grain per panicle | 124.2 ± 27.6 | 129.8 ± 35.3 | 0.33 | 5.6/4.5% |
 | Number of empty grain per panicle | 31.0 ± 21.1 | 31.4 ± 15.4 | 0.91 | 0.4/1.3% |
Upland environment | Plant height (cm) | 81.2 ± 12.6 | 103.9 ± 15.4 | 7.3e-16 | 22.7/28.0% |
 | Tillering number (∆ number of productive panicles) | 1.5 ± 0.6 | 1.3 ± 0.5 | 0.024 | 0.2/13.3% |
 | Root weight (g) | 1.8 ± 0.9 | 2.4 ± 1.0 | 0.00031 | 0.6/33.3% |
 | Maximal main root length (cm) | 23.5 ± 4.0 | 29.9 ± 6.1 | 6.9e-11 | 6.4/27.2% |
 | Thousand grain weight (g) | 23.4 ± 4.7 | 25.6 ± 4.4 | 0.0071 | 2.2/9.4% |
 | Number of filled grain per panicle | 33.3 ± 16.6 | 40.5 ± 16.9 | 0.016 | 7.2/21.6% |
 | Number of empty grain per panicle | 26.3 ± 10.1 | 18.9 ± 9.8 | 5.3e-05 | 7.4/28.1% |
Mean differences between environments # | Plant height (cm)/percentage | -8.3/-9.3% | -12.2/-10.5% | Â | Â |
 | Tillering number/percentage | -8.3/84.7% | -7.4/-85.1% |  |  |
 |  |  | -14.8/-86.0% |  |  |
 | Root weight (g)/percentage |  | +2.7/+9.9% |  |  |
 |  | -11.0/-85.9% |  |  |  |
 | Maximal main root length (cm)/percentage |  |  |  |  |
 |  | -0.6/-2.5% |  |  |  |
 | Thousand grain weight | -0.4/-1.7% | -0.3/-1.2% |  |  |
 | Number of productive panicles | -9.5/-86.4% | -7.41/-85.0% |  |  |
 | Number of filled grain per panicle | -90.9/-73.2% | -89.3/-68.8% |  |  |
 | Number of empty grain per panicle | -4.7/-15.2% | -12.5/-39.8% |  |  |