作物杂志,2026, 第3期: 233–241 doi: 10.16035/j.issn.1001-7283.2026.03.030

• 生理生化·植物营养·栽培耕作 • 上一篇    下一篇

秧龄对烟后水稻秧苗素质、产量及稻米品质的影响

卢燕回1(), 宋战锋2, 李虎3, 刘广林3, 陈传华3, 罗群昌3, 吴子帅3()   

  1. 1 中国烟草总公司广西壮族自治区公司, 530022, 广西南宁
    2 广西壮族自治区烟草公司百色市公司, 533000, 广西百色
    3 广西农业科学院水稻研究所/广西水稻遗传育种重点实验室, 530007, 广西南宁
  • 收稿日期:2025-10-23 修回日期:2025-12-11 出版日期:2026-06-15 发布日期:2026-06-17
  • 通讯作者: 吴子帅,主要从事优质稻新品种选育及栽培技术研究工作,E-mail:631369545@qq.com
  • 作者简介:卢燕回,主要从事烟叶生产技术研究及粮烟复种推广工作,E-mail:5930008@163.com
  • 基金资助:
    中国烟草总公司广西壮族自治区公司科技计划项目(202345000024079);广西农业科学院基本科研业务专项资助项目(桂农科2024YP039);国家现代农业产业体系广西创新团队建设项目(nycytxgxcxtd-2021-01-03)

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

Lu Yanhui1(), Song Zhanfeng2, Li Hu3, Liu Guanglin3, Chen Chuanhua3, Luo Qunchang3, Wu Zishuai3()   

  1. 1 Guangxi Zhuang Autonomous Region Company of China National Tobacco Corporation, Nanning 530022, Guangxi, China
    2 Baise Company of Guangxi Zhuang Autonomous Region Tobacco Corporation, Baise 533000, Guangxi, China
    3 Rice Research Institute, Guangxi Academy of Agricultural Sciences / Guangxi Key Laboratory of Rice Genetics and Breeding, Nanning 530007, Guangxi, China
  • Received:2025-10-23 Revised:2025-12-11 Online:2026-06-15 Published:2026-06-17

摘要:

为探究烟稻复种中适宜的水稻秧龄,以水稻品种桂香99、桂香18、金针香和桂玉美香为材料,研究不同秧龄对秧苗素质、产量和稻米品质的影响。结果表明,延长秧龄能增加秧苗素质指标,但根数、根长和根干重在秧龄超过35 d后不再增加,30 d秧龄时本田期比20 d秧龄时显著缩短了2~3 d,但与超过35 d秧龄时差异不显著,不同秧龄下最高分蘖数基本相同,但35 d以上秧龄能较快达到最高分蘖数;齐穗期、成熟期的干物质量及分蘖期―齐穗期、分蘖期―成熟期、齐穗期―成熟期干物质积累量随秧龄的延长呈降低趋势;产量在20、25和30 d秧龄间差异不显著,但显著高于其他秧龄,有效穗数和结实率在20、25和30 d秧龄间差异不显著;20、25和30 d秧龄有利于提高糙米率和整精米率,但也增加了垩白粒率。综上,20~30 d秧龄是优质常规稻桂香99、桂香18、金针香和桂玉美香作为烟后稻种植时实现高产优质相协调的最适秧龄。

关键词: 烟稻复种, 秧龄, 产量, 稻米品质, 秧苗素质

Abstract:

To explore the suitable rice seedling age in tobacco-rice multiple cropping, four rice varieties (Guixiang 99, Guixiang 18, Jinzhenxiang, and Guiyumeixiang) were used to study the effects of seedling ages on seedling quality, yield, and grain quality. The results showed that extending the seedling age increased the seedling quality indexes, but root number, root length, and root dry weight did not increase further after 35 days. The field growth period of the tested varieties at 30 days seedling age was significantly shorter (by 2-3 days) than at 20 days, while there was no significant difference between 30 days and over 35 days. The maximum tiller number was similar across all seedling ages, but seedling ages over 35 days reached the maximum tiller number more quickly. Dry matter weight at the full heading and maturity stages, as well as the dry matter accumulation during the tillering-heading, tillering-maturity, and heading-maturity period, all showed a decreasing trend with the extension of seedling age. Yield at 20, 25 and 30 days seedling ages showed no significant differences but was significantly higher than at other seedling ages. There were no significant differences in effective panicle number and seed-setting rate among seedling ages of 20, 25, and 30 days. Seedling ages of 20, 25, and 30 days were conducive to improving the brown rice rate and head rice rate, but they also increased the chalkiness rate. In conclusion, for the high-quality conventional rice varieties (Guixiang 99, Guixiang 18, Jinzhenxiang and Guiyumeixiang) planted following tobacco, a seedling age of 20-30 days is optimal for achieving a balance between high yield and superior rice quality.

Key words: Tobacco-rice multiple cropping, Seedling age, Yield, Grain quality, Seedling quality

表1

不同秧龄下各烟后优质稻品种的秧苗素质

品种
Variety
秧龄
Seedling
age (d)
叶龄
Leaf age
苗高
Plant height
(cm)
茎基宽
Stem diameter
(mm)
根数
Root
number
根长
Root length
(cm)
地上部干重(mg/株)
Aboveground dry
weight (mg/plant)
根干重(mg/株)
Root dry weight
(mg/plant)
桂香99
Guixiang 99
45 5.38±0.22a 33.27±0.34a 4.49±0.07a 18.2±1.0a 8.78±0.10a 98.71±1.00a 28.21±0.31a
40 5.05±0.15b 32.90±0.30b 4.32±0.06b 17.7±1.5ab 8.79±0.10a 97.61±0.88b 28.26±0.31a
35 4.62±0.22c 28.89±0.32c 3.87±0.05c 17.4±1.2b 8.47±0.09b 85.72±0.94c 27.21±0.30b
30 4.13±0.22d 24.90±0.29d 3.46±0.05d 14.6±1.1c 7.60±0.08c 73.89±0.87d 24.41±0.27c
25 3.53±0.18e 20.99±0.30e 2.86±0.05e 14.0±0.9c 6.01±0.06d 62.27±0.89e 19.31±0.21d
20 3.05±0.15f 17.62±0.29f 2.83±0.05e 10.6±1.1d 4.69±0.05e 52.29±0.86f 15.07±0.17e
桂香18
Guixiang 18
45 5.50±0.00a 39.74±0.40a 4.29±0.07a 18.0±1.1a 9.68±0.11a 117.91±1.19a 31.10±0.34ab
40 5.05±0.15b 39.30±0.36b 4.12±0.06b 18.0±1.5a 9.69±0.11a 116.59±1.05b 31.16±0.34a
35 4.62±0.22c 34.51±0.38c 3.69±0.05c 17.8±1.1a 9.33±0.10b 102.39±1.12c 30.96±0.67b
30 4.13±0.22d 29.75±0.35d 3.30±0.06d 14.7±1.1b 8.37±0.09c 88.26±1.04d 26.91±0.29c
25 3.62±0.43e 25.07±0.36e 2.74±0.04e 13.7±0.9c 6.62±0.07d 74.39±1.07e 21.29±0.23d
20 3.03±0.13f 21.05±0.35f 2.72±0.21e 10.4±1.1d 5.17±0.06e 62.46±1.03f 16.61±0.18e
金针香
Jinzhenxiang
45 5.55±0.15a 38.46±0.39a 4.79±0.07a 18.6±0.7a 9.57±0.10a 114.11±1.15a 30.75±0.34a
40 5.05±0.15b 38.03±0.34b 4.60±0.07b 18.3±1.4a 9.58±0.11a 112.84±1.02b 30.80±0.35a
35 4.62±0.22c 33.40±0.36c 4.11±0.06c 18.2±0.9a 9.23±0.10b 99.10±1.08c 30.73±0.49a
30 4.12±0.22d 28.79±0.34d 3.67±0.04d 14.4±1.1b 8.28±0.09c 85.42±1.01d 26.61±0.29b
25 3.62±0.43e 24.26±0.35e 3.03±0.05e 14.2±0.8b 6.55±0.08d 71.99±1.03e 21.05±0.23c
20 2.98±0.21f 19.74±0.33f 3.02±0.05e 10.7±1.2c 5.11±0.06e 58.57±0.97f 16.43±0.18d
桂玉美香
Guiyumeixiang
45 5.57±0.17a 39.25±0.40a 4.39±0.07a 19.0±0.9a 9.57±0.10a 116.46±1.18a 30.69±0.33ab
40 5.05±0.15b 38.81±0.35b 4.22±0.06b 18.7±1.3a 9.55±0.11a 115.16±1.04b 30.75±0.34a
35 4.62±0.22c 34.09±0.37c 3.77±0.04c 17.6±1.1b 9.21±0.10b 101.13±1.10c 30.54±0.54b
30 4.12±0.22d 29.38±0.35d 3.37±0.04d 14.6±1.1c 8.26±0.09c 87.17±1.03d 26.56±0.29c
25 3.62±0.43e 24.76±0.36e 2.78±0.04e 13.9±0.9d 6.54±0.07d 73.47±1.06e 21.01±0.23d
20 5.38±0.21f 20.79±0.34f 2.77±0.05e 10.1±1.1e 5.10±0.06e 61.68±1.02f 16.40±0.18e
45 d 5.50±0.17a 37.68±2.63a 4.49±0.20a 18.4±1.0a 9.39±0.37a 111.80±7.79a 30.19±1.20a
40 d 5.05±0.15b 37.26±2.59b 4.32±0.19b 18.1±1.5b 9.41±0.38a 110.55±7.69b 30.24±1.21a
35 d 4.62±0.21c 32.72±2.28c 3.86±0.17c 17.8±1.1c 9.06±0.36b 97.08±6.78c 29.86±1.62b
30 d 4.13±0.22d 28.20±1.97d 3.45±0.15d 14.6±1.1d 8.13±0.32c 83.68±5.85d 26.12±1.04c
25 d 3.60±0.38e 23.77±1.67e 2.85±0.13e 13.9±0.9e 6.43±0.26d 70.53±4.97e 20.66±0.82d
20 d 3.01±0.18f 19.80±1.39f 2.84±0.16e 10.4±1.1f 5.02±0.20e 58.75±4.13f 16.13±0.64e
秧龄Seedling age ** ** ** ** ** ** **

表2

不同秧龄下各烟后优质稻品种的生育期

品种
Variety
秧龄
Seedling
age (d)
移栽―返青
Transplanting-
Green recovery
移栽―分蘖
Transplanting-
Tillering
移栽―始穗
Transplanting-
Panicle initiation
移栽―齐穗
Transplanting-
Full heading
移栽―成熟/本田期
Transplanting-Maturity/
Paddy field stage
播种―成熟/全生育期
Sowing-Maturity/
Whole growth stage
桂香99
Guixiang 99
45 5.0±0.0a 8.3±0.6c 58.3±0.6bc 61.3±0.6bc 86.7±1.5c 131.3±1.2a
40 5.0±0.0a 8.3±0.6c 58.0±0.0c 60.3±0.6c 86.3±0.6c 126.3±0.6b
35 4.3±0.6ab 9.0±0.0b 59.0±1.0ab 61.7±1.2bc 87.0±1.0c 122.0±1.0c
30 4.0±0.0b 9.3±0.6b 59.3±1.2a 62.3±0.6ab 87.7±1.5bc 117.7±1.5d
25 4.0±0.0b 10.0±0.0a 59.3±1.2a 63.3±0.6a 89.0±1.0ab 114.0±1.0e
20 4.0±0.0b 10.0±0.0a 59.7±0.6a 63.7±0.6a 90.0±2.6a 110.3±0.6f
桂香18
Guixiang 18
45 5.0±0.0a 8.7±0.6b 58.3±0.6cd 60.7±1.2cd 86.3±1.5b 131.3±1.5a
40 5.0±0.0a 8.7±0.6b 58.0±0.0d 60.3±0.6d 86.7±1.2b 126.7±1.2b
35 4.7±0.6ab 9.0±0.0b 58.3±0.6cd 61.3±0.6cd 87.3±0.6b 122.3±0.6c
30 4.7±0.6ab 9.0±0.0b 59.0±0.0bc 62.0±0.0bc 87.7±1.5b 117.7±1.5d
25 4.0±0.0b 10.0±0.0a 59.7±0.6ab 63.0±0.0ab 89.7±0.6a 114.7±0.6e
20 4.0±0.0b 10.3±0.6a 60.3±0.6a 63.7±0.6a 90.3±1.2a 110.3±0.2f
金针香
Jinzhenxiang
45 4.7±0.6a 8.7±0.6b 57.7±1.2c 61.0±1.7d 88.0±1.7d 133.0±1.7a
40 4.7±0.6a 8.7±0.6b 58.0±0.0c 62.0±1.7cd 89.0±1.7cd 129.0±1.7b
35 4.3±0.6ab 9.0±0.0b 58.3±0.6bc 62.3±1.5cd 89.3±1.5cd 124.3±1.5c
30 4.0±0.0abc 9.0±0.0b 59.0±0.0b 63.0±1.7bc 90.0±1.7c 120.0±1.7d
25 3.7±0.6bc 10.0±0.0a 60.0±0.0a 64.0±1.7ab 91.3±2.1b 116.7±2.1e
20 3.3±0.6c 9.7±0.6a 60.7±0.6a 64.7±2.1a 93.3±0.6a 113.3±0.6f
桂玉美香
Guiyumeixiang
45 5.0±0.0a 8.3±0.6c 58.0±1.0c 60.3±0.6c 96.3±0.6c 141.3±0.6a
40 4.7±0.0a 8.0±0.0c 58.0±1.0c 61.0±0.0c 97.0±0.0c 137.0±0.0b
35 4.3±0.6ab 9.0±0.0b 58.3±2.5c 61.0±0.0c 97.0±0.0c 132.0±0.0c
30 3.7±0.6b 9.0±0.0b 59.0±0.0bc 61.7±0.6bc 97.7±0.6bc 127.7±0.6d
25 3.7±0.6b 10.0±0.0a 60.3±0.6ab 63.0±0.0ab 99.0±0.0b 124.0±0.0e
20 3.7±0.6b 9.3±0.6b 61.0±1.0a 63.7±0.6a 100.7±0.6a 120.7±0.6f
45 d 4.9±0.3a 8.5±0.5c 58.1±0.8c 60.8±1.0c 89.3±4.4e 134.3±4.5a
40 d 4.8±0.4a 8.4±0.5c 58.0±0.4c 60.9±1.1c 89.8±4.6de 129.8±4.6b
35 d 4.4±0.5b 9.0±0.0b 58.5±1.2bc 61.6±1.0bc 90.2±4.3cd 125.2±4.3c
30 d 4.1±0.5bc 9.1±0.3b 59.1±0.5b 62.3±1.0b 90.8±4.5c 120.8±4.5d
25 d 3.8±0.4c 10.0±0.0a 59.8±0.7a 63.3±0.9a 92.3±4.0b 117.3±4.3e
20 d 3.8±0.5c 9.8±0.6a 60.4±0.8a 63.9±1.1a 93.6±4.1a 113.7±4.5f
秧龄Seedling age ** ** ** ** ** **

图1

不同秧龄下各烟后优质稻品种的茎蘖变化

表3

不同秧龄下各烟后优质稻品种的干物质积累

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 ** ** ** ** ** **

表4

不同秧龄下各烟后优质稻品种的产量及其构成因素

品种
Variety
秧龄
Seedling age (d)
有效穗数
Effective panicle number (×104/hm2)
穗粒数
Grains per panicle
结实率
Seed-setting rate (%)
千粒重
1000-grain weight (g)
产量
Yield (t/hm2)
桂香99
Guixiang 99
45 264.0±6.0c 191.6±0.8a 75.5±0.4b 21.3±0.2a 7.20±0.03d
40 269.0±4.6bc 191.4±2.3a 75.8±0.4b 21.5±0.4a 7.33±0.10c
35 276.0±10.8ab 192.1±1.8a 78.9±1.0a 21.6±0.2a 7.43±0.01b
30 277.0±4.6ab 191.5±1.6a 79.9±1.8a 21.5±0.2a 7.53±0.03a
25 280.0±6.9a 191.8±1.9a 80.0±0.5a 21.3±0.2a 7.59±0.05a
20 282.0±0.0a 191.6±2.1a 79.4±0.8a 21.7±0.1a 7.54±0.03a
桂香18
Guixiang 18
45 262.0±1.7c 187.5±1.4a 78.7±1.9a 22.0±0.4a 6.55±0.03c
40 271.0±3.5b 187.5±2.2a 79.0±2.0a 22.0±0.4a 6.67±0.09b
35 272.0±9.2b 188.2±1.7a 79.4±1.0a 21.9±0.4a 6.72±0.15b
30 278.0±6.2ab 187.7±1.5a 80.5±1.8a 22.1±0.3a 6.85±0.03a
25 279.0±5.2ab 188.0±1.8a 80.5±0.5a 21.9±0.5a 6.85±0.07a
20 282.0±0.0a 187.8±2.1a 79.9±0.8a 22.0±0.5a 6.86±0.03a
金针香
Jinzhenxiang
45 260.0±1.7c 191.3±1.5a 75.7±1.3c 20.9±0.3a 6.93±0.06c
40 268.0±3.7bc 191.3±2.3a 76.9±0.4c 21.0±0.1a 6.98±0.08c
35 270.0±9.0b 192.0±1.8a 80.0±1.0b 21.0±0.3a 7.10±0.07b
30 275.0±6.2ab 191.4±1.6a 81.1±1.8ab 21.4±0.2a 7.27±0.05a
25 276.0±5.3ab 191.7±1.9a 82.1±0.6a 20.9±0.3a 7.26±0.03a
20 281.0±3.4a 191.5±1.2a 80.5±0.8ab 21.0±0.3a 7.26±0.02a
桂玉美香
Guiyumeixiang
45 263.0±3.5c 187.6±1.2a 75.5±1.4c 20.9±0.3a 6.67±0.06c
40 267.0±6.0bc 187.5±2.2a 76.7±0.4c 21.0±0.2a 6.64±0.02c
35 275.0±7.6ab 188.2±1.7a 79.5±0.5b 20.7±0.2a 6.85±0.03b
30 275.0±4.6ab 187.6±1.5a 80.9±0.8ab 20.6±0.2a 6.98±0.05a
25 277.0±6.9a 187.9±1.8a 81.6±0.7a 20.9±0.2a 6.96±0.04a
20 281.0±1.7a 187.4±1.5a 81.9±0.5a 20.8±0.3a 6.97±0.02a
45 d 262.3±3.5e 189.5±2.3a 76.4±1.9c 21.3±0.5a 6.84±0.27d
40 d 268.8±4.1d 189.4±2.8a 77.1±1.5c 21.4±0.5a 6.91±0.30c
35 d 273.3±8.2c 190.1±2.5a 79.5±0.8b 21.3±0.6a 7.03±0.29b
30 d 276.3±4.9bc 189.6±2.4a 80.61.4±a 21.4±0.6a 7.16±0.28a
25 d 278.0±5.5ab 189.8±2.6a 81.1±1.0a 21.2±0.5a 7.17±0.30a
20 d 281.5±1.7a 189.6±2.6a 80.4±1.2a 21.4±0.6a 7.16±0.28a
秧龄Seedling age ** ns ** ns **

表5

产量及其构成因素与干物质积累量间的相关性

项目Item 产量
Yield
有效穗数
Effective panicle number
穗粒数
Grains per panicle
结实率
Seed-setting rate
千粒重
1000-grain weight
分蘖期干物质量Dry matter weight at tillering stage -0.97** -0.91** -0.18 -0.93** 0.02
齐穗期干物质量Dry matter weight at full heading stage 0.96** 0.94** 0.28 0.94** -0.13
成熟期干物质量Dry matter weight at maturity stage 0.96** 0.98** 0.42 0.95** -0.10
分蘖期―齐穗期干物质积累量
Dry matter accumulation from tillering to full heading
0.97**
0.93**
0.26
0.94**
-0.10
分蘖期―成熟期干物质积累量
Dry matter accumulation from tillering to maturity
0.97**
0.98**
0.37
0.96**
-0.08
齐穗期―成熟期干物质积累量
Dry matter accumulation from full heading to maturity
0.81*
0.92**
0.60
0.84*
0.00

表6

不同秧龄下各烟后优质稻品种的稻米品质

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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