秧龄对烟后水稻秧苗素质、产量及稻米品质的影响

卢燕回, 宋战锋, 李虎, 刘广林, 陈传华, 罗群昌, 吴子帅

Effects of Seedling Age on Seedling Quality, Yield and Grain Quality of Rice following Tobacco

Lu Yanhui, Song Zhanfeng, Li Hu, Liu Guanglin, Chen Chuanhua, Luo Qunchang, Wu Zishuai

表3 不同秧龄下各烟后优质稻品种的干物质积累

Table 3 Dry matter accumulation of high-quality rice varieties following tobacco under different seedling ages t/hm2

品种 Variety 秧龄 Seedling age (d) 分蘖期 Tillering stage 齐穗期 Full heading stage 成熟期 Maturity stage 分蘖期―齐穗期 Tillering- Full heading 分蘖期―成熟期 Tillering- Maturity 齐穗期―成熟期 Full heading- Maturity 桂香99 Guixiang 99 45 1.01±0.02a 9.92±0.12b 13.09±0.18c 8.91±0.10c 12.08±0.17c 3.17±0.16c 40 1.01±0.01a 9.88±0.12b 13.12±0.06c 8.87±0.11c 12.11±0.06c 3.25±0.17c 35 0.92±0.04b 10.20±0.35b 13.83±0.33b 9.27±0.31bc 12.90±0.30b 3.63±0.11abc 30 0.73±0.01c 10.25±0.11b 14.26±0.14a 9.52±0.10b 13.53±0.13a 4.01±0.03a 25 0.73±0.03c 10.81±0.30a 14.62±0.20a 10.08±0.29a 13.89±0.17a 3.81±0.22ab 20 0.72±0.03c 10.99±0.26a 14.31±0.19a 10.27±0.27a 13.58±0.16a 3.32±0.40bc 桂香18 Guixiang 18 45 1.11±0.02a 10.15±0.29c 12.92±0.18b 9.04±0.31c 11.81±0.16c 2.77±0.45a 40 1.11±0.01a 10.18±0.43c 13.05±0.36b 9.07±0.43c 11.94±0.35c 2.88±0.12a 35 1.02±0.04b 10.56±0.11bc 13.61±0.48a 9.55±0.08b 12.60±0.45b 3.05±0.42a 30 0.79±0.03c 11.06±0.34a 13.63±0.23a 10.27±0.31a 12.84±0.20ab 2.57±0.22a 25 0.79±0.06cd 10.98±0.24ab 13.61±0.48a 10.18±0.29a 12.82±0.51ab 2.63±0.27a 20 0.75±0.03d 11.00±0.11a 13.90±0.27a 10.26±0.12a 13.16±0.30a 2.90±0.28a 金针香 Jinzhenxiang 45 0.90±0.01a 9.98±0.15ab 12.76±0.17d 9.09±0.16c 11.86±0.18e 2.77±0.18b 40 0.88±0.01a 9.94±0.12b 13.44±0.47c 9.07±0.12c 12.56±0.47d 3.50±0.36a 35 0.81±0.03b 10.11±0.31ab 13.46±0.23c 9.30±0.28bc 12.65±0.20cd 3.35±0.20a 30 0.63±0.01c 10.32±0.24ab 13.58±0.33bc 9.69±0.25ab 12.95±0.34bc 3.26±0.56ab 25 0.62±0.01c 10.39±0.48a 13.90±0.13ab 9.76±0.48a 13.28±0.14ab 3.51±0.61a 20 0.62±0.01c 10.34±0.19ab 13.99±0.36a 9.72±0.18ab 13.36±0.36a 3.65±0.50a 桂玉美香 Guiyumeixiang 45 1.22±0.03a 11.20±0.36c 14.23±0.20d 9.99±0.38b 13.01±0.18d 3.03±0.53bc 40 1.22±0.01a 11.35±0.39c 14.26±0.06d 10.13±0.39b 13.05±0.07d 2.92±0.45c 35 1.12±0.04b 11.49±0.13bc 15.01±0.25c 10.38±0.08b 13.89±0.22c 3.52±0.20ab 30 0.88±0.01c 11.83±0.14ab 14.99±0.53c 10.95±0.14a 14.11±0.52c 3.16±0.41bc 25 0.88±0.01c 12.09±0.07a 15.50±0.15b 11.21±0.06a 14.63±0.16b 3.42±0.19abc 20 0.85±0.05c 12.06±0.37a 15.97±0.52a 11.21±0.41a 15.12±0.55a 3.92±0.17a 45 d 1.06±0.13a 10.31±0.58d 13.25±0.62d 9.26±0.50d 12.19±0.53e 2.94±0.36c 40 d 1.05±0.13a 10.34±0.67d 13.47±0.56c 9.28±0.58d 12.42±0.51d 3.14±0.37bc 35 d 0.97±0.13b 10.59±0.61c 13.98±0.70b 9.62±0.50c 13.01±0.60c 3.39±0.32ab 30 d 0.76±0.09c 10.87±0.70b 14.12±0.67b 10.11±0.62b 13.36±0.60b 3.25±0.62ab 25 d 0.76±0.10c 11.07±0.71ab 14.41±0.80a 10.31±0.63ab 13.65±0.75a 3.34±0.55ab 20 d 0.74±0.09c 11.10±0.68a 14.54±0.93a 10.36±0.60a 13.81±0.87a 3.45±0.50a 秧龄Seedling age ** ** ** ** ** **