秧龄对烟后水稻秧苗素质、产量及稻米品质的影响
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卢燕回, 宋战锋, 李虎, 刘广林, 陈传华, 罗群昌, 吴子帅
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Effects of Seedling Age on Seedling Quality, Yield and Grain Quality of Rice following Tobacco
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Lu Yanhui, Song Zhanfeng, Li Hu, Liu Guanglin, Chen Chuanhua, Luo Qunchang, Wu Zishuai
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表6 不同秧龄下各烟后优质稻品种的稻米品质
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Table 6 Rice quality of high-quality rice varieties following tobacco under different seedling ages
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品种 Variety | 秧龄 Seedling age (d) | 糙米率 Brown rice rate (%) | 整精米率 Head rice rate (%) | 粒长 Grain length (mm) | 长宽比 Length-width ratio | 垩白度 Chalkiness degree (%) | 垩白粒率 Chalkiness rate (%) | 透明度 Transparency | 直链淀粉含量 Amylose content (%) | 桂香99 Guixiang 99 | 45 | 76.20±0.54b | 55.92±0.55c | 6.940±0.211a | 3.43±0.10a | 0.60±0.05d | 2.42±0.12c | 1.0±0.0a | 15.74±1.48a | | 40 | 77.21±0.97b | 57.68±0.92b | 6.826±0.239a | 3.50±0.12a | 0.71±0.05c | 2.33±0.19c | 1.3±0.6a | 15.40±0.60a | | 35 | 79.57±2.07a | 59.05±1.70ab | 6.739±0.212a | 3.41±0.06a | 0.73±0.06bc | 3.15±0.14ab | 1.3±0.6a | 15.41±1.96a | | 30 | 80.43±1.57a | 59.37±0.93ab | 6.871±0.189a | 3.36±0.05a | 0.80±0.05bc | 2.93±0.21b | 1.3±0.6a | 16.02±0.28a | | 25 | 80.79±0.77a | 60.62±1.12a | 6.900±0.247a | 3.42±0.02a | 0.83±0.04b | 3.55±0.18a | 1.3±0.6a | 15.46±1.20a | | 20 | 79.25±0.99a | 59.17±0.84ab | 6.982±0.099a | 3.44±0.11a | 0.99±0.06a | 3.41±0.27a | 1.3±0.6a | 16.89±1.08a | 桂香18 Guixiang 18 | 45 | 75.38±0.38c | 50.62±1.81d | 7.652±0.118a | 4.47±0.07a | 0.03±0.06a | 0.13±0.12d | 1.0±0.0a | 14.66±0.73a | | 40 | 76.43±0.82bc | 52.15±0.80cd | 7.745±0.046a | 4.44±0.06a | 0.03±0.06a | 0.55±0.34cd | 1.0±0.0a | 14.50±1.62a | | 35 | 77.29±0.18b | 54.14±1.28ab | 7.757±0.106a | 4.43±0.06a | 0.08±0.02a | 0.53±0.03cd | 1.3±0.6a | 15.90±1.30a | | 30 | 79.34±1.35a | 54.66±0.65a | 7.771±0.039a | 4.47±0.10a | 0.07±0.06a | 0.79±0.27bc | 1.0±0.0a | 16.25±0.81a | | 25 | 79.27±2.20a | 53.67±1.02abc | 7.753±0.115a | 4.45±0.05a | 0.04±0.04a | 1.31±0.15a | 1.0±0.0a | 14.74±1.27a | | 20 | 79.72±1.95a | 52.55±0.43bc | 7.822±0.041a | 4.50±0.08a | 0.08±0.01a | 1.23±0.28ab | 1.0±0.0a | 16.14±0.49a | 金针香 Jinzhenxiang | 45 | 76.62±0.07d | 54.75±0.87c | 7.669±0.285a | 4.37±0.10a | 0.14±0.12b | 0.40±0.29c | 1.3±0.6a | 17.83±0.82a | | 40 | 77.54±0.23cd | 54.90±0.43c | 7.686±0.129a | 4.43±0.12a | 0.26±0.05a | 0.65±0.07c | 1.7±0.6a | 17.16±1.81a | | 35 | 79.00±0.39bc | 57.62±0.46a | 7.754±0.115a | 4.49±0.08a | 0.31±0.04a | 1.30±0.34b | 1.3±0.6a | 16.91±0.61a | | 30 | 80.54±1.33ab | 57.30±1.91a | 7.587±0.182a | 4.43±0.02a | 0.26±0.02a | 1.46±0.43b | 1.3±0.6a | 17.14±1.13a | | 25 | 79.94±0.93ab | 57.12±1.16ab | 7.655±0.272a | 4.46±0.19a | 0.28±0.06a | 2.07±0.34a | 1.7±0.6a | 18.10±2.52a | | 20 | 80.69±0.36a | 55.49±1.01bc | 7.548±0.220a | 4.45±0.02a | 0.07±0.12b | 2.47±0.18a | 1.3±0.6a | 18.01±1.91a | 桂玉美香 Guiyumeixiang | 45 | 76.44±0.50c | 49.82±0.25b | 7.866±0.157a | 4.49±0.10a | 0.15±0.03a | 0.02±0.04e | 1.0±0.0a | 15.49±1.41a | | 40 | 77.59±0.26bc | 50.49±1.19b | 7.745±0.204a | 4.54±0.11a | 0.13±0.01a | 0.49±0.43d | 1.0±0.0a | 15.17±0.47a | | 35 | 78.79±0.25ab | 53.52±1.48a | 7.725±0.106a | 4.51±0.10a | 0.11±0.10a | 1.28±0.29c | 1.3±0.6a | 16.19±2.59a | | 30 | 79.56±0.19a | 53.36±0.59a | 7.636±0.098a | 4.58±0.05a | 0.13±0.04a | 1.55±0.26c | 1.0±0.0a | 16.17±1.93a | | 25 | 80.18±0.33a | 53.05±1.11a | 7.710±0.163a | 4.63±0.06a | 0.12±0.02a | 2.67±0.63b | 1.0±0.0a | 14.55±0.65a | | 20 | 79.66±0.59a | 52.98±0.79a | 7.714±0.076a | 4.54±0.06a | 0.15±0.01a | 3.16±0.34a | 1.0±0.0a | 14.67±1.41a | | 45 d | 76.16±0.61d | 52.78±2.87d | 7.532±0.406a | 4.19±0.47a | 0.23±0.24b | 0.74±1.03d | 1.1±0.3a | 15.93±1.57a | | 40 d | 77.19±0.74c | 53.81±2.95c | 7.501±0.433a | 4.23±0.45a | 0.29±0.27a | 1.01±0.84c | 1.3±0.5a | 15.56±1.49a | | 35 d | 78.66±1.26b | 56.08±2.70b | 7.494±0.471a | 4.21±0.49a | 0.31±0.28a | 1.57±1.03b | 1.3±0.5a | 16.10±1.62a | | 30 d | 79.97±1.19a | 56.18±2.57a | 7.466±0.385a | 4.21±0.52a | 0.31±0.30a | 1.69±0.85b | 1.2±0.4a | 16.40±1.12a | | 25 d | 80.04±1.22a | 56.11±3.29a | 7.504±0.408a | 4.24±0.51a | 0.32±0.32a | 2.40±0.91a | 1.3±0.5a | 15.71±2.00a | | 20 d | 79.83±1.12a | 55.05±2.81a | 7.517±0.355a | 4.23±0.48a | 0.32±0.41a | 2.57±0.91a | 1.2±0.4a | 16.43±1.70a | | 秧龄Seedling age | ** | ** | ns | ns | ** | ** | ns | ns |
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