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不同施氮量对江汉平原长粒型优质籼稻产量品质的影响

郝蓉蓉 王雪艳 党程成 王松 周梦 胡玉婷 刘越 田小海

郝蓉蓉,王雪艳,党程成,等. 不同施氮量对江汉平原长粒型优质籼稻产量品质的影响 [J]. 福建农业学报,2023,38(4):387−400 doi: 10.19303/j.issn.1008-0384.2023.04.001
引用本文: 郝蓉蓉,王雪艳,党程成,等. 不同施氮量对江汉平原长粒型优质籼稻产量品质的影响 [J]. 福建农业学报,2023,38(4):387−400 doi: 10.19303/j.issn.1008-0384.2023.04.001
HAO R R, WANG X Y, DANG C C, et al. Yield and Quality of Long-grain Indica Rice in Jianghan Plain Affected by N-fertilizations [J]. Fujian Journal of Agricultural Sciences,2023,38(4):387−400 doi: 10.19303/j.issn.1008-0384.2023.04.001
Citation: HAO R R, WANG X Y, DANG C C, et al. Yield and Quality of Long-grain Indica Rice in Jianghan Plain Affected by N-fertilizations [J]. Fujian Journal of Agricultural Sciences,2023,38(4):387−400 doi: 10.19303/j.issn.1008-0384.2023.04.001

不同施氮量对江汉平原长粒型优质籼稻产量品质的影响

doi: 10.19303/j.issn.1008-0384.2023.04.001
基金项目: 国家重点研发计划项目(2017YFD0301405、2018YFD0301306);湖北省重点研发计划项目(2020BBB060)
详细信息
    作者简介:

    郝蓉蓉(1996−),女,硕士研究生,主要从事作物高产高效栽培(E-mail:1789240680@qq.com

    通讯作者:

    田小海(1961−),男,教授,主要从事作物高产优质高效栽培(E-mail:xiaohait@sina.com

  • 中图分类号: S511

Yield and Quality of Long-grain Indica Rice in Jianghan Plain Affected by N-fertilizations

  • 摘要:   目的  研究不同施氮量对长粒型优质籼稻在江汉平原栽培产量和品质的影响,为汉江平原地区优质水稻品种推广栽培提供参考。  方法  在湖北省江汉平原,选用现行优质稻耐性品种黄华占为对照,探讨不同长粒型优质籼稻品种(立香85、农香32、玉针香、泰优鄂香丝苗)在4个施氮量处理N1(120 kg·hm−2)、N2(150 kg·hm−2)、N3(180 kg·hm−2)、N4(240 kg·hm−2)下的产量与品质表现。  结果  在不同氮肥水平下,不同品种水稻产量随施氮量增加呈现先增加后降低趋势,在施氮量N2处理下达到最高,平均为8.3 t·hm−2,比N1、N3、N4处理分别增加了3.8%、7.8%、18.6%。在地上部干物质积累量方面,施氮量的增加使优质籼稻在齐穗期-成熟期保持着较多的积累量。在不同的施氮量下,叶重、茎重、穗重分别在N4、N3、N2处理下达到最高。成熟期茎、叶、穗各器官比例在N2处理下达到最优,分别为29.8%、17.7%、52.5%。稻米加工品质精米率随着施氮量的增加而增加,整精米率在N2处理下最优,达到52.6%,且与其他处理形成显著性差异;外观品质变化较小,食味品质中直链淀粉含量受品种本身影响较大,精米RVA谱特征在N2处理下表现出较大的崩解值、较低的消减值,食味品质达到最优。  结论  长粒型优质籼稻在施氮量N2处理下产量及品质指标同时达到最优水平,在现有约6.5~9.5 t·hm−2产量水平下,其在江汉平原的高产保优优化施氮量为150 kg·hm−2。在4个优质籼稻中,泰优鄂香丝苗有较高的产量以及加工品质,适合产业化发展;立香85产量较低但食味品质较优,符合当前人们食味品质需求。
  • 表  1  供试品种的粒型特点

    Table  1.   Varieties and grain traits of rice studied

    品种
    Cultivar
    来源
    Source
    粒长
    Grain length/mm
    长宽比
    Aspect ratio
    立香85 Lixiang 85丰乐种业有限公司7.64.0
    农香32 Nongxiang 32湖南省水稻研究所8.54.5
    玉针香 Yuzhenxiang湖南省水稻研究所8.84.9
    泰优鄂香丝苗 Taiyouexiangsimiao湖北荃银高科种业有限公司7.23.7
    黄华占(CK) Huanghuazhan广东省农业科学院水稻研究所6.63.6
    下载: 导出CSV

    表  2  不同施氮量处理下各品种的产量及产量构成因素变化

    Table  2.   Yield and yield traits of cultivars under varied N applications

    品种
    Cultivar
    施氮水平
    Nitrogen level
    有效穗数
    Effective panicle number/
    (×104·hm−2
    穗粒数
    Grains per panicle
    结实率
    Seed-setting rate/%
    千粒重
    1 000-grain weight/g
    产量
    Yield/(t·hm−2)
    立香85
    Lixiang 85
    N1 323.4±12.3 bc 106.4±8.5 a 78.0±1.7 c 25.5±1.2 a 7.08±0.07 a
    N2 320.3±5.3 c 113.4±8.5 a 81.6±1.6 b 24.7±0.7 a 7.24±0.09 a
    N3 331.8±16.4 ab 102.6±5.5 ab 85.4±1.7 a 25.3±0.2 a 6.30±0.10 b
    N4 338.8±9.5 a 91.5±2.7 b 80.8±1.6 bc 24.2±1.4 a 6.13±0.09 b
    均值
    Average
    328.7±13.9 D 103.5±10.1 D 81.4±3.1 A 24.9±1.0 B 6.74±0.50 BC
    农香32
    Nongxiang 32
    N1 261.6±11.6 c 168.8±5.3 b 76.9±1.0 c 27.4±0.3 b 6.97±0.03 a
    N2 295.2±9.8 a 163.6±10.4 b 80.3±0.5 a 27.4±0.3 b 7.12±0.06 a
    N3 278.7±9.7 b 197.0±9.2 a 78.6±0.4 b 27.1±0.3 b 6.17±0.10 b
    N4 303.4±12.9 a 134.7±7.3 c 78.8±0.8 b 28.0±0.3 a 5.56±0.07 c
    均值
    Average
    285.2±19.6 E 166.0±24.1 C 78.7±1.4 C 27.5±0.4 A 6.54±0.63 C
    玉针香
    Yuzhenxiang
    N1 385.6±13.4 a 115.4±2.0 a 83.2±1.0 a 27.6±0.0 a 7.01±0.05 b
    N2 390.4±8.5 a 103.7±3.4 b 79.7±1.9 bc 28.1±0.4 a 7.58±0.01 a
    N3 354.4±9.2 b 95.0±0.0 c 79.5±0.3 b 27.5±1.0 a 6.69±0.08 c
    N4 351.3±10.7 b 105.0±1.7 b 76.5±0.3 c 28.1±0.1 a 5.65±0.02 d
    均值
    Average
    370.0±20.8 A 104.7±8.3 D 79.8±4.0 B 27.8±0.5 A 6.83±0.68 B
    泰优鄂香丝苗
    Taiyouexiangsimiao
    N1 350.7±5.3 b 193.0±4.1 a 77.9±1.0 a 22.2±0.7 a 9.65±0.06 a
    N2 348.1±5.3 b 182.8±0.8 b 79.5±2.0 a 22.7±0.4 a 9.86±0.02 a
    N3 351.4±8.5 b 170.3±7.7 c 76.9±1.8 b 22.7±0.7 a 9.67±0.06 a
    N4 372.9±17.6 a 185.2±4.2 ab 73.6±0.7 b 22.5±0.5 a 8.78±0.10 b
    均值
    Average
    355.7±14.4 C 182.8±9.5 A 77.0±2.6 D 22.5±0.6 C 9.55±0.40 A
    黄华占
    Huanghuazhan (CK)
    N1 354.9±18.3 b 162.7±4.4 b 79.6±1.9 b 20.2±0.6 a 9.47±0.06 b
    N2 363.1±7.9 ab 175.9±1.3 a 85.1±1.8 a 20.3±0.1 a 9.76±0.13 a
    N3 359.3±11.6 b 163.8±4.6 b 81.9±0.7 b 20.3±0.5 a 9.49±0.45 b
    N4 369.5±18.8 a 182.5±4.4 a 81.7±0.4 b 20.3±0.5 a 9.00±0.13 c
    均值
    Average
    362.3±16.8 B 171.2±9.3 B 82.1±2.3 A 20.3±0.4 D 9.47±0.37 A
    均值
    Average
    N1 334.0 c 149.3 a 79.6 ab 24.6 a 8.0 b
    N2 338.9 b 147.9 a 80.1 ab 24.6 a 8.3 a
    N3 332.9 c 145.7 ab 80.5 a 24.6 a 7.7 c
    N4 346.4 a 142.3 b 79.3 b 24.6 a 7.0 d
    方差分析F
    F value of variance analysis
    Fc 194.1** 24.5** 30.0** 288.5** 147.0**
    FN 6.4** 0.2 2.0 0.3 20.7**
    Fc × FN 8.5** 21.6** 16.7** 1.1 6.9**
    同列数据后不同小写字母表示同一品种不同施氮水平间差异显著(P<0.05),不同大写字母表示同一施氮水平不同品种间差异显著(P<0.05)。*和**分别表示相关性为显著(P<0.05)和极显著(P<0.01)水平,Fc代表品种,FN代表施氮量,Fc × FN代表品种×施氮量。表3、5、6同。
    Data with different lowercase letters on same column indicate significant differences of idfferent nitrogen levels at the same cultivar at P<0.05; those with different capital letters, significant differences between different varieties at P<0.05 level. * and ** represent significant (P<0.05) and extremely significant (P<0.01), respectively. Fc: cultivar; FN: total N level; Fc × FN: cultivar × total N level. Same for Table 3, 5 ,6.
    下载: 导出CSV

    表  3  各品种不同施氮量下不同生育期的地上部干物质积累量与收获指数变化

    Table  3.   Dry matter accumulation and harvest index of rice at growth stages under varied N applications

    品种
    Cultivar
    施氮水平
    Nitrogen level
    分蘖盛期-拔节期
    Tillering-Jointing/
    (t·hm−2
    拔节期-齐穗期
    Jointing-Heading/
    (t·hm−2
    齐穗期-成熟期
    Heading-Maturity/(t·hm−2
    收获指数
    Harvest index
    立香85
    Lixiang 85
    N1 6.50±0.03 b 1.94±0.04 a 1.83±0.06 c 0.45±0.01 a
    N2 7.78±0.01 a 1.96±0.02 a 1.96±0.00 bc 0.46±0.00 a
    N3 6.07±0.02 c 1.93±0.04 a 2.21±0.06 ab 0.45±0.00 a
    N4 6.43±0.01 b 1.58±0.06 b 2.29±0.03 a 0.36±0.01 b
    均值
    Average
    6.70±0.68 B 1.85±0.19 D 2.07±0.20 E 0.43±0.04 D
    农香32
    Nongxiang32
     
    N1 7.74±0.07 c 3.71±0.06 b 6.58±0.07 c 0.47±0.01 b
    N2 8.41±0.20 b 4.29±0.05 a 6.86±0.07 c 0.49±0.02 ab
    N3 7.55±0.10 c 3.74±0.06 b 7.47±0.08 b 0.50±0.01 a
    N4 9.14±0.10 a 3.34±0.04 c 8.30±0.09 a 0.40±0.01 c
    均值
    Average
    8.21±0.67 A 3.77±0.36 A 7.30±0.70 A 0.47±0.04 C
    玉针香
    Yuzhenxiang
    N1 3.49±0.04 ab 2.85±0.07 b 2.16±0.05 b 0.48±0.00 a
    N2 3.66±0.01 a 2.84±0.08 b 2.31±0.06 b 0.49±0.00 a
    N3 3.41±0.02 b 3.08±0.06 a 2.31±0.08 b 0.46±0.00 b
    N4 2.91±0.09 c 3.01±0.06 a 3.23±0.02 a 0.44±0.00 c
    均值
    Average
    3.37±0.29 D 2.95±0.13 C 2.50±0.45 D 0.47±0.02 C
    泰优鄂香丝苗
    Taiyouexiangsimiao
    N1 6.74±0.08 b 3.08±0.04 b 5.79±0.01 c 0.57±0.00 bc
    N2 7.23±0.05 a 3.10±0.02 b 6.05±0.09 c 0.58±0.00 a
    N3 5.14±0.02 d 3.79±0.07 a 6.66±0.05 b 0.56±0.00 c
    N4 6.47±0.06 c 3.69±0.05 a 7.08±0.07 a 0.58±0.01 ab
    均值
    Average
    6.39±0.81 C 3.42±0.34 B 6.40±0.53 B 0.57±0.01 B
    黄华占
    Huanghuazhan
    (CK)
    N1 6.57±0.07 a 2.56±0.11 d 4.72±0.05 c 0.58±0.01 ab
    N2 6.60±0.11 a 3.57±0.06 b 5.45±0.09 b 0.59±0.00 a
    N3 6.44±0.05 a 3.40±0.09 c 5.19±0.06 b 0.57±0.01 b
    N4 5.99±0.11 b 4.24±0.02 a 5.88±0.03 a 0.57±0.00 b
    均值
    Average
    6.39±0.30 C 3.44±0.63 B 5.31±0.52 C 0.58±0.01 A
    均值
    Average
    N1 6.20 b 2.85 b 4.21 d 0.51 b
    N2 6.75 a 3.15 a 4.52 c 0.52 a
    N3 5.72 c 3.19a 4.77 b 0.51 b
    N4 6.20 b 3.17 a 5.34 a 0.47 c
    方差分析F
    F value of variance analysis
    Fc 41.4** 1243.3** 309.7** 30.7**
    FN 2.9 73.5** 16.5** 4.4*
    Fc × FN 65.5** 98.5** 37.5** 23.0**
    下载: 导出CSV

    表  4  各品种不同施氮量下不同生育期的各器官生物量的变化

    Table  4.   Biomass of rice organs in growth stages under varied N applications (单位:t·hm−2

    时期
    Growth stages
    器官
    Rice organs
    施氮水平
    Nitrogen level
    立香85
    Lixiang 85
    农香32
    Nongxiang 32
    玉针香
    Yuzhenxiang
    泰优鄂香丝苗
    Taiyouexiangsimiao
    黄华占(CK)
    Huanghuazhan
    分蘖盛期
    Tillering

    Stem
    N1 1.76±0.01 b 1.53±0.15 c 2.78±0.01 b 1.64±0.03 c 1.63±0.08 c
    N2 2.36±0.02 a 2.09±0.10 a 3.39±0.06 a 2.27±0.01 a 2.11±0.07 a
    N3 1.86±0.01 b 1.90±0.13 b 2.79±0.01 b 2.16±0.03 b 1.88±0.03 b
    N4 1.54±0.01 c 1.57±0.12 c 2.67±0.03 c 2.12±0.03 b 1.95±0.12 b
    均值
    Average
    1.88±0.30 A 1.77±0.27 A 2.91±0.27 A 2.05±0.24 A 1.92±0.16 A

    Leaf
    N1 1.66±0.02 b 1.48±0.04 d 2.53±0.02 b 1.64±0.01 b 1.73±0.01 c
    N2 2.17±0.01 a 2.06±0.04 a 2.98±0.04 a 2.12±0.04 a 2.07±0.01 b
    N3 1.67±0.01 b 1.78±0.05 b 2.36±0.03 b 1.39±0.03 c 2.53±0.05 a
    N4 1.53±0.02 c 1.61±0.02 c 2.54±0.01 b 2.14±0.02 a 1.96±0.05 b
    均值
    Average
    1.76±0.24 A 1.73±0.22 A 2.60±0.24 A 1.82±0.32 A 2.07±0.29 A
    拔节期
    Jointing

    Stem
    N1 6.47±0.01 c 6.65±0.15 d 5.70±0.01 b 5.59±0.06 c 6.66±0.08 a
    N2 8.65±0.03 a 7.71±0.07 a 6.26±0.02 a 6.80±0.02 a 6.45±0.14 b
    N3 5.86±0.02 d 7.12±0.02 c 5.32±0.01 c 5.05±0.03 d 6.35±0.01 b
    N4 7.44±0.02 b 7.42±0.13 b 5.01±0.18 d 6.10±0.02 b 6.34±0.05 b
    均值
    Average
    7.10±1.05 A 7.07±0.67 A 5.64±0.53 A 5.88±0.65 A 6.47±0.43 A

    Leaf
    N1 3.45±0.01 d 4.09±0.04 c 3.07±0.02 c 4.44±0.02 c 3.34±0.06 c
    N2 4.67±0.03 b 4.49±0.12 b 3.78±0.01 a 4.82±0.02 a 4.12±0.05 a
    N3 3.74±0.01 c 4.00±0.07 c 3.23±0.01 c 3.65±0.03 d 4.03±0.08 a
    N4 5.06±0.03 a 4.90±0.04 a 3.50±0.01 b 4.63±0.03 b 3.55±0.02 b
    均值
    Average
    4.48±0.61 B 4.51±0.51 B 3.39±0.34 B 4.39±0.45 B 3.76±0.33 B
    齐穗期
    Heading

    Stem
    N1 6.48±0.02 d 8.35±0.02 d 6.63±0.05 b 6.58±0.01 c 7.14±0.11 b
    N2 7.83±0.02 a 12.38±0.23 a 6.91±0.03 ab 7.47±0.01 a 7.48±0.04 a
    N3 6.73±0.02 c 11.68±0.21 b 7.01±0.01 a 6.28±0.17 d 7.48±0.06 a
    N4 7.55±0.03 b 9.23±0.07 c 7.09±0.03 a 7.04±0.04 b 7.57±0.05 a
    均值
    Average
    7.15±0.56 A 10.45±1.84 A 6.91±0.19 A 6.84±0.46 A 7.45±0.26 A

    Leaf
    N1 3.85±0.02 c 4.14±0.06 d 3.37±0.02 c 4.31±0.02 c 3.55±0.09 b
    N2 4.43±0.02 a 4.95±0.07 b 3.85±0.01 a 4.36±0.02 b 3.96±0.01 a
    N3 3.47±0.02 d 4.68±0.07 c 3.56±0.00 bc 4.16±0.00 d 3.67±0.17 b
    N4 4.06±0.03 b 5.27±0.07 a 3.71±0.01 b 4.95±0.03 a 4.02±0.10 a
    均值
    Average
    3.95±0.35 B 4.76±0.42 B 3.62±0.18 B 4.44±0.30 B 3.80±0.22 B

    Panicle
    N1 1.63±0.01 b 2.07±0.01 a 1.51±0.06 b 2.16±0.03 c 1.86±0.06 d
    N2 2.05±0.03 a 2.09±0.07 a 2.15±0.02 a 2.87±0.01 a 2.94±0.01 a
    N3 1.32±0.02 d 1.61±0.06 b 2.03±0.02 a 2.05±0.03 c 2.60±0.00 c
    N4 1.48±0.01 c 1.47±0.02 b 2.03±0.01 a 2.43±0.01 b 2.72±0.03 b
    均值
    Average
    1.62±0.27 C 1.78±0.29 C 1.95±0.23 C 2.38±0.32 C 2.49±0.38 C
    成熟期
    Maturity

    Stem
    N1 5.14±0.04 c 7.51±0.08 d 4.45±0.09 c 3.98±0.01 c 3.67±0.10 c
    N2 6.24±0.03 b 9.52±0.15 a 5.49±0.05 ab 5.17±0.02 a 4.45±0.06 b
    N3 4.64±0.01 d 8.21±0.11 c 5.45±0.14 b 3.85±0.04 d 4.39±0.02 b
    N4 7.08±0.01 a 8.84±0.03 b 5.73±0.03 a 4.83±0.01 b 5.49±0.07 a
    均值
    Average
    5.84±0.93 B 8.49±0.73 B 5.26±0.47 B 4.46±0.56 B 4.50±0.69 B

    Leaf
    N1 2.56±0.03 c 3.63±0.08 c 2.20±0.04 d 3.27±0.02 c 2.76±0.07 b
    N2 2.74±0.01 b 4.88±0.08 a 3.17±0.03 a 3.92±0.02 a 3.07±0.08 a
    N3 2.23±0.02 d 4.50±0.04 b 2.76±0.02 b 3.03±0.02 d 3.15±0.10 a
    N4 3.81±0.15 a 4.41±0.05 b 2.44±0.01 c 3.66±0.03 b 3.01±0.11 a
    均值
    Average
    2.81±0.55 C 4.36±0.46 C 2.64±0.37 C 3.47±0.35 C 3.03±0.23 C

    Panicle
    N1 7.55±0.02 b 10.00±0.37 c 7.22±0.01 b 9.96±0.02 c 10.66±0.41 c
    N2 8.54±0.02 a 13.62±0.54 a 8.44±0.01 a 12.674±0.09 a 12.21±0.25 a
    N3 6.71±0.09 d 12.69±0.58 b 6.76±0.02 c 9.749±0.034 d 11.67±0.39 b
    N4 6.92±0.09 c 9.29±0.15 d 6.44±0.01 d 11.516±0.28 b 11.52±0.21 b
    均值
    Average
    7.43±0.70 A 9.39±0.87 A 7.22±0.88 A 10.575±1.61 A 11.58±0.65 A
    表中同列数据后不同小写字母表示同一品种同一器官在不同施氮水平间差异显著(P<0.05),不同大写字母表示同一品种在同一时期不同器官间差异显著(P<0.05)。
    Data with different lowercase letters on same column indicate significant differences between organs of same rice variety under different N applications (P<0.05); those with different uppercase letters, significant differences between organs of same rice variety at same period (P<0.05).
    下载: 导出CSV

    表  5  不同施氮量处理的稻米品质

    Table  5.   Grain quality of rice treated with different N applications

    品种
    Cultivar
    施氮水平
    Nitrogen level
    精米率
    Polished rice rate%
    整精米率
    Head rice rate/%
    垩白粒率
    Chalkiness rate/%
    垩白度
    Chalkiness degree/%
    直链淀粉含量
    Amylose content/%
    立香85
    Lixiang 85
    N1 65.8±0.6 b 48.0±0.1 c 0.3±0.3 a 0.0±0.0 a 16.3±0.6 b
    N2 67.8±1.0 a 55.4±0.2 a 0.0±0.0 b 0.0±0.1 a 17.0±0.3 a
    N3 67.7±0.3 a 50.3±0.3 b 0.2±0.2 ab 0.0±0.0 a 16.1±0.2 b
    N4 66.1±0.6 b 49.8±0.2 b 0.0±0.0 b 0.1±0.1 a 15.2±0.3 c
    均值
    Average
    66.8±1.2 C 50.9±2.8 D 0.1±0.2 C 0.0±0.0 C 16.2±0.8 D
    农香32
    Nongxiang 32
    N1 67.4±1.3 b 56.6±0.7 b 0.8±0.4 ab 0.2±0.1 a 14.3±0.7 b
    N2 67.1±0.2 b 57.3±0.2 a 1.2±0.2 a 0.2±0.1 a 15.6±0.7 a
    N3 69.2±0.2 a 55.2±0.7 b 0.9±0.2 ab 0.3±0.1 a 15.2±0.3 a
    N4 69.2±0.3 a 53.7±0.5 c 0.6±0.2 b 0.3±0.1 a 15.0±0.4 a
    均值
    Average
    68.2±1.2 B 55.7±1.6 A 0.9±0.3 A 0.3±0.1 A 15.0±0.7 E
    玉针香
    Yuzhenxiang
    N1 65.2±0.7 b 42.8±1.4 a 0.2±0.2 b 0.0±0.0 a 16.0±0.4 b
    N2 65.9±0.3 ab 41.7±0.7 b 0.1±0.4 b 0.2±0.1 a 17.0±0.4 a
    N3 66.4±0.1 ab 41.2±0.6 b 0.6±0.1 a 0.0±0.1 a 16.8±0.5 a
    N4 66.5±1.3 a 37.6±0.3 c 0.2±0.2 ab 0.1±0.1 a 16.7±0.9 ab
    均值
    Average
    66.0±1.0 D 40.8±2.2 E 0.3±0.2 C 0.1±0.1 BC 16.6±0.7 C
    泰优鄂香丝苗
    Taiyouexiangsimiao
    N1 69.0±1.1 a 54.2±0.3 b 0.9±0.6 ab 0.0±0.0 b 17.4±0.4 ab
    N2 70.1±0.2 a 55.6±0.4 a 1.2±0.7 a 0.1±0.1 ab 18.0±0.2 a
    N3 69.7±0.3 a 54.8±0.2 ab 0.2±0.2 bc 0.3±0.2 a 17.1±0.4 bc
    N4 69.7±0.2 a 54.2±0.1 b 0.0±0.0 c 0.3±0.2 ab 16.7±0.5 c
    均值
    Average
    69.6±0.7 A 54.7±0.7 B 0.5±0.5 B 0.2±0.2 AB 17.3±0.7 B
    黄华占
    Huanghuazhan (CK)
    N1 70.0±0.3 a 54.2±0.4 a 0.3±0.2 b 0.2±0.1 a 18.5±0.6 a
    N2 69.9±0.2 a 53.2±0.3 a 0.6±0.3 b 0.2±0.2 a 18.7±0.4 a
    N3 69.5±0.1 a 50.0±0.2 b 1.0±0.3 a 0.1±0.1 a 18.7±0.3 a
    N4 70.0±0.6 a 49.4±0.3 b 0.5±0.0 b 0.1±0.1 a 16.4±1.5 b
    均值
    Average
    69.8±0.5 A 51.7±2.2 C 0.6±0.3 B 0.2±0.1 AB 17.9±1.4 A
    均值
    Average
    N1 67.5 b 51.2 b 0.5 a 0.2 a 16.5 b
    N2 68.2 a 52.6 a 0.6 a 0.2 ab 17.2 a
    N3 68.5 a 50.3 c 0.6 a 0.1 ab 16.6 b
    N4 68.3 a 49.0 d 0.3 b 0.1 b 16.0 c
    方差分析F
    F value of variance analysis
    Fc 22.7** 4.2* 13.3** 8.2** 13.2**
    FN 2 22.9** 5.3* 1.7 3.3
    Fc × FN 2.5* 48.5** 4.2** 2.1* 7.1**
    下载: 导出CSV

    表  6  不同施氮量处理下各品种精米的RVA谱

    Table  6.   RVA spectra of polished rice of various cultivars under different N applications

    品种
    Cultivar
    施氮量
    Nitrogen level
    峰值黏度
    Peak viscosity
    热浆黏度
    Holding viscosity
    最终黏度
    Final viscosity
    崩解值
    Breakdown
    消减值
    Setback
    回复值
    Consistence
    立香85
    Lixiang 85
    N1 4033.5±1.5 a 2253.0±35.1 a 3407.5±17.5 a 1839.0±59.7 ab −626.7±15.5 c 1174.0±9.0 ab
    N2 4079.0±1.0 a 2132.5±4.5 a 3331.0±1.0 a 1903.0±61.6 a −748.7±0.0 d 1198.5±3.5 a
    N3 3814.0±41.0 b 2095.5±0.5 b 3360.0±110.0 b 1671.3±75.0 b −454.7±15.5 b 1164.5±10.5 b
    N4 3550.0±47.0 c 2139.0±25.0 c 3259.5±43.5 c 1411.0±22.0 c −290.7±2.9 a 1120.5±18.5 c
    均值
    Average
    3869.1±230.8 A 2165±71.9 A 3339.5±85.9 BC 1732.9±194.7 A −529.6±185.6 C 1164.4±32.6 B
    农香32
    Nongxiang 32
    N1 3561.0±18.0 b 1937.5±48.5 b 2862.0±14.0 b 1459.3±144.3 b −699.7±26.1 c 986.7±9.4 b
    N2 3658.0±18.0 a 1939.7±7.3 a 2959.5±3.5 a 1751.7±61.1 a −698.7±11.8 c 1017.0±13.4 a
    N3 3581.5±29.5 ab 1944.5±19.6 ab 2971.0±56.0 ab 1574.3±83.0 b −610.7±21.6 b 1008.0±31.6 b
    N4 3341.5±20.5 c 2084.0±42.0 c 3052.5±42.5 c 1225.7±48.3 c −289.7±18.0 a 977.0±12.0 c
    均值
    Average
    3535.5±128.0 C 1970±68.4 C 2961.3±81.8 D 1502.8±221.3 C −574.3±182.1 D 997.2±25.8 D
    玉针香
    Yuzhenxiang
    N1 3861.0±66.0 a 2083.5±37.5 a 3228.5±44.5 a 1777.5±28.5 a −632.7±17.6 c 1101.7±61.5 a
    N2 3810.5±23.5 a 2164.0±11.0 a 3305.0±22.7 a 1712.0±37.0 a −608.7±12.7 c 1104.0±17.6 a
    N3 3816.0±43.8 a 2221.3±43.8 a 3323.0±10.0 a 1681.3±39.5 a −526.7±1.6 a 1129.3±6.8 a
    N4 3768.0±24.0 a 2171.0±35.0 a 3265.0±21.0 a 1603.3±128.8 a −568.7±16.7 b 1137.3±22.0 a
    均值
    Average
    3818.6±72.6 B 2166±65.3 A 3287.1±46.4 B 1683.3±104.0 B −583.9±46.9 D 1118.1±39.1 C
    泰优鄂香丝苗
    Taiyouexiangsimiao
    N1 3732.5±0.5 a 2318.3±25.8 a 3572.3±43.3 a 1488.5±38.5 a −174.7±24.9 a 1234.0±11.0 a
    N2 3717.0±8.0 a 2244.7±23.9 a 3497.0±23.6 a 1503.5±56.5 a −282.7±6.5 c 1278.0±4.0 a
    N3 3709.5±45.5 a 2238.7±38.0 a 3484.7±44.6 a 1446.5±41.5 a −245.7±0.0 b 1253.0±10.0 a
    N4 3630.5±76.5 a 2273.3±45.8 a 3523.0±56.9 a 1482.0±13.0 a −249.7±11.8 bc 1232.5±1.5 a
    均值
    Average
    3697.4±63.8 D 2268±48.8 A 3519.3±57.6 A 1408.1±48.7 D −237.8±45.8 A 1249.4±21.3 B
    黄华占
    Huanghuazhan
    (CK)
    N1 3853.5±30.5 a 2091.5±25.5 a 3382.0±5.0 a 1762.0±5.0 a −471.7±20.8 b 1290.5±20.5 a
    N2 3827.5±26.5 a 2089.0±17.6 a 3363.0±5.0 a 1763.0±30.0 a −464.7±25.7 b 1298.5±1.5 a
    N3 3750.0±45.0 a 2059.0±24.7 a 3290.0±11.0 a 1753.0±17.0 a −460.7±27.8 b 1293.0±17.0 a
    N4 3704.5±15.5 a 2124.0±38.2 a 3485.0±103.0 a 1571.0±21.0 b −298.7±6.9 a 1272.5±12.5 b
    均值
    Average
    3793.0±72.5 C 2090±38.4 B 3380.0±92.9 A 1712.3±89.9 A −423.6±82.5 B 1288.6±18.9 A
    均值
    Average
    N1 3808 a 2161.6 a 3316.1 a 1662.6 b −520.7 c 1138.5 a
    N2 3822 a 2108.7 b 3309.4 a 1743.4 a −560.3 d 1159.4 a
    N3 3742 b 2113.6 b 3305.4 a 1629.2 b −459.1 b 1153.8 a
    N4 3585 c 2165.0 a 3335.7 a 1451.3 c −339.2 a 1132.8 a
    方差分析F
    F value of variance analysis
    Fc 9.32** 25.4** 39.2** 5.27* 7.9** 7.9**
    FN 7.34** 2.7 0.2 6.74** 4.4* 4.4*
    Fc × FN 3.68** 2.5* 2.9* 3.62** 25.4** 25.4**
    下载: 导出CSV
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出版历程
  • 收稿日期:  2022-07-21
  • 修回日期:  2023-02-14
  • 网络出版日期:  2023-03-28
  • 刊出日期:  2023-04-28

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