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作物学报

作物学报 ›› 2018, Vol. 44 ›› Issue (12): 1844-1857.doi: 10.3724/SP.J.1006.2018.01844

• 耕作栽培·生理生化 • 上一篇    下一篇

双季机插稻叶龄模式参数及高产品种特征

吕伟生1,2,曾勇军1,*(),石庆华1,潘晓华1,黄山1,商庆银1,谭雪明1,李木英1,胡水秀1,曾研华1   

  1. 1江西农业大学 / 双季稻现代化生产协同创新中心 / 作物生理生态与遗传育种教育部重点实验室 / 江西省作物生理生态与遗传育种重点实验室, 江西南昌 330045
    2江西省红壤研究所 / 国家红壤改良工程技术研究中心 / 农业部江西耕地保育科学观测实验站, 江西南昌 331717
  • 收稿日期:2017-12-11 接受日期:2018-08-20 出版日期:2018-12-12 网络出版日期:2018-09-20
  • 通讯作者: 曾勇军
  • 基金资助:
    本研究由国家科技支撑计划项目(2011BAD16B04);本研究由国家科技支撑计划项目(2012BAD04B11);本研究由国家科技支撑计划项目(2013BAD07B1202);国家公益性行业科研专项(201303102);国家自然科学基金项目(31360310);江西省水稻产业体系专项(JXARS-02-03);江西省重点研发专项(20161ACF60013);江西省青年科学家培养计划项目资助(20153BCB23015)

Leaf-age-model Parameters and Characteristics of High-yield Cultivars of Machine-transplanted Double Cropping Rice

Wei-Sheng LYU1,2,Yong-Jun ZENG1,*(),Qing-Hua SHI1,Xiao-Hua PAN1,Shan HUANG1,Qing-Yin SHANG1,Xue-Ming TAN1,Mu-Ying LI1,Shui-Xiu HU1,Yan-Hua ZENG1   

  1. 1 Collaborative Innovation Center for the Modernization Production of Double Cropping Rice, Jiangxi Agricultural University / Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education / Jiangxi Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Nanchang 330045, Jiangxi, China
    2 Jiangxi Institute of Red Soil / National Engineering and Technology Research Center for Red Soil Improvement / Scientific Observational and Experimental Station of Arable Land Conservation in Jiangxi, Ministry of Agriculture, Nanchang 331717, Jiangxi, China
  • Received:2017-12-11 Accepted:2018-08-20 Published:2018-12-12 Published online:2018-09-20
  • Contact: Yong-Jun ZENG
  • Supported by:
    This study was supported by the National Key Technology Support Program of China(2011BAD16B04);This study was supported by the National Key Technology Support Program of China(2012BAD04B11);This study was supported by the National Key Technology Support Program of China(2013BAD07B1202);the Special Fund for Agro-scientific Research in the Public Interest(201303102);the National Natural Science Foundation of China(31360310);the Fund of Jiangxi Province(JXARS-02-03);the Fund of Jiangxi Province(20161ACF60013);the Fund of Jiangxi Province(20153BCB23015)

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摘要：

为双季机插稻高产品种的选育和精确定量栽培提供参考依据, 2013年和2014年在长江中游双季稻地区(江西上高), 以19个早稻品种和20个晚稻品种为材料, 在高产栽培条件下明确了双季机插稻叶龄模式参数, 并通过系统聚类分析和方差分析等方法对双季机插稻高产品种特征进行了初步研究。结果表明, 机插早稻主茎平均总叶片数(N)为10.7~12.2, 叶数变幅10~13, 伸长节间数(n)均为4个, 够苗叶龄为N-n+1; 机插晚稻品种N为14.4~15.2, 叶数变幅14~16, n均为5个, 够苗叶龄为N-n。高产类型机插双季稻具有分蘖力中等、成穗率较高、全生育期特别是中后期干物质生产量及单茎干物质量大、中后期叶面积指数(LAI)及单茎叶面积较高、穗型较大、总颖花量大、粒叶比协调和日产量高等基本特征。其中, 高产类型机插早稻生育期110~113 d, 日产量75~79 kg hm -2 d -1, 分蘖力每株2.6~3.4穗, 每穗粒数115~135粒, 千粒重26~28 g; 高产类型机插晚稻115~120 d, 日产量78~82 kg hm -2 d -1, 分蘖力每株4.2~4.8穗, 每穗粒数130~150粒, 千粒重24~27 g。

关键词: 双季稻, 机插秧, 叶龄模式参数, 品种特征, 产量

Abstract:

The aim of this study was to provide references for the breeding and precise quantitative cultivation of high-yielding cultivars of machine-transplanted double cropping rice. Therefore a two-year field experiment was conducted with 19 early rice cultivars and 20 late rice cultivars to determine the leaf-age-model parameters and characteristics of high-yielding cultivars of machine-transplanted double cropping rice by using clustering and variance analysis methods in double-cropping rice areas (Shanggao of Jiangxi) in the middle reaches of the Yangtze River. The average total number of leaves (N) in the main stem of the early rice was 10.7 to 12.2, the number of leaves varied from 10 to 13, the average number of internodes (n) was four and the stage of tiller equal panicle was N-n+1. For machine-transplanted late rice, N was ranged from 14.4 to 15.2, the number of leaves varied from 14 to 16, n was five, and the stage of tiller equal panicle was N-n. Machine-transplanted double cropping rice with high-yield ability had the basic characteristics of medium tillering ability, greater grain-leaf ratio, higher panicle-bearing tiller rate, ear size, total spikelets, daily production, biomass accumulation per stem and leaf area index (LAI) as well as higher leaf area per stem in mid and latter stages. While there were some differences in population quality between early rice and late rice. For high-yielding cultivars of machine-transplanted early rice, the growth duration, daily yield, tillering ability, grains per spike and 1000-grain weight were 110-113 d, 75-79 kg ha -1 d -1, 2.6-3.4 spikes per plant, 115-135 and 26-28 g, respectively. The corresponding value of machine-transplanted late rice were 115-120 d, 78-82 kg ha -1 d -1, 4.2-4.8 spikes per plant, 130-150 and 24-27 g, respectively.

Key words: double rice, machine transplanting, leaf-age-model parameters, variety characteristics, grain yield

表1

供试品种情况"

早稻品种
Cultivar of early rice		 编号
Code		 品种类型
Type of cultivar		 晚稻品种
Cultivar of late rice		 编号
Code		 品种类型
Type of cultivar
中嘉早17 Zhongjiazao 17 E1 常规籼稻IIR 广两优7203 Guangliangyou 7203 L1 杂交籼稻IHR
嘉早311 Jiazao 311 E2 常规籼稻IIR 五优308 Wuyou 308 L2 杂交籼稻IHR
株两优30 Zhuliangyou 30 E3 杂交籼稻IHR 早丰优华占 Zaofengyouhuazhan L3 杂交籼稻IHR
嘉育253 Jiayu 253 E4 常规籼稻IIR 广两优7217 Guangliangyou 7217 L4 杂交籼稻IHR
株两优189 Zhuliangyou 189 E5 常规籼稻IIR 五丰优T025 Wufengyou T025 L5 杂交籼稻IHR
淦鑫203 Ganxin 203 E6 常规籼稻IIR 两优33 Liangyou 33 L6 杂交籼稻IHR
金优458 Jinyou 458 E7 杂交籼稻IHR 荣优308 Rongyou 308 L7 杂交籼稻IHR
中早39 Zhongzao 39 E8 常规籼稻IIR 五优103 Wuyou 103 L8 杂交籼稻IHR
中早35 Zhongzao 35 E9 常规籼稻IIR 湘丰优9号 Xiangfengyou 9 L9 杂交籼稻IHR
陆两优996 Luliangyou 996 E10 杂交籼稻IHR H优518 H you 518 L10 杂交籼稻IHR
五优286 Wuyou 286 E11 杂交籼稻IHR 荣优225 Rongyou 225 L11 杂交籼稻IHR
陵两优281 Lingliangyou 281 E12 杂交籼稻IHR 深优1029 Shenyou 1029 L12 杂交籼稻IHR
潭两优83 Tanliangyou 83 E13 杂交籼稻IHR 隆香优130 Longxiangyou 130 L13 杂交籼稻IHR
金早47 Jinzao 47 E14 常规籼稻IIR 万象优1号 Wanxiangyou 1 L14 杂交籼稻IHR
两优早17 Liangyouzao 17 E15 杂交籼稻IHR 永优9830 Yongyou 9830 L15 杂交籼稻IHR
陵两优722 Lingliangyou 722 E16 杂交籼稻IHR H优159 H you 159 L16 杂交籼稻IHR
湘早籼45 Xiangzaoxian 45 E17 常规籼稻IIR 隆香优华占 Longxiangyouhuazhan L17 杂交籼稻IHR
株两优538 Zhuliangyou 538 E18 杂交籼稻IHR 圣丰1优319 Shengfeng 1 you 319 L18 杂交籼稻IHR
陵两优211 Lingliangyou 211 E19 杂交籼稻IHR 泰优398 Taiyou 398 L19 杂交籼稻IHR
盛泰优9713 Shengtaiyou 9713 L20 杂交籼稻IHR

表2

早、晚稻产量在年度间及品种间的方差分析"

季别
Season		 变异来源
Source		 自由度
df		 平方和
SS		 均方
MS		 F值
F-value
早稻 年度Year 1 166703.05 166703.05 4.16*
Early rice 品种Cultivar 18 32532650.11 1807369.45 45.06**
年度×品种Year × cultivar 18 139312.89 7739.61 0.19 ns
误差Error 76 3048252.43 40108.58
总变异Total 113 35886918.48
晚稻 年度Year 1 150690.65 150690.65 3.79 ns
Late rice 品种Cultivar 19 22829786.09 1201567.69 38.18**
年度×品种Year × cultivar 19 576377.46 30335.66 0.96 ns
误差Error 80 2517577.71 31469.72
总变异Total 119 26074431.92

表3

机插早稻叶龄模式参数"

品种
Cultivar		 平均叶数
Leaf number
of main stem		 叶数变幅
Change amplitude of
leaf number		 众数叶龄
Mode
leaf number		 够苗叶龄
Stage of tiller
equal panicle		 伸长节间
Elongated
internode number
2013 2014 2013 2014 2013 2014 2013 2014 2013 2014
E1 11.5 11.6 11-13 11-13 12 12 8.7 8.6 4 4
E2 10.9 11.1 10-12 10-12 11 11 8.1 8.1 4 4
E3 10.9 11.0 10-12 10-12 11 11 7.9 7.9 4 4
E4 11.4 11.6 10-12 10-12 12 12 8.7 8.5 4 4
E5 10.8 10.8 10-12 10-12 11 11 7.9 7.9 4 4
E6 11.8 11.9 11-13 11-13 12 12 8.7 8.6 4 4
E7 11.5 11.6 11-13 11-13 12 12 8.5 8.4 4 4
E8 11.7 11.6 11-13 11-13 12 12 8.6 8.6 4 4
E9 12.1 12.2 11-13 11-13 12 12 8.9 8.8 4 4
E10 11.7 11.8 11-13 11-13 12 12 8.7 8.7 4 4
E11 12.0 12.1 11-13 11-13 12 12 8.7 8.6 4 4
E12 11.0 11.0 10-12 10-12 11 11 7.8 7.7 4 4
E13 11.1 11.3 10-12 10-12 11 11 8.2 8.0 4 4
E14 12.0 12.1 11-13 11-13 12 12 8.9 8.8 4 4
E15 10.9 11.0 10-12 10-12 11 11 7.9 7.9 4 4
E16 11.1 11.4 10-12 10-12 11 11 8.1 8.0 4 4
E17 11.0 11.1 10-12 10-12 11 11 8.3 8.3 4 4
E18 11.1 11.2 10-12 10-12 11 11 8.1 8.0 4 4
E19 10.7 10.8 10-11 10-11 11 11 7.7 7.6 4 4

表4

机插晚稻叶龄模式参数"

品种
Cultivar		 平均叶数
Leaf number
of main stem		 叶数变幅
Change amplitude of
leaf number		 众数叶龄
Mode
leaf number		 够苗叶龄
Stage of tiller
equal panicle		 伸长节间
Elongated
internode number
2013 2014 2013 2014 2013 2014 2013 2014 2013 2014
L1 15.0 14.8 14-16 14-16 15 15 9.3 9.5 5 5
L2 14.8 14.8 14-16 14-16 15 15 9.3 9.3 5 5
L3 14.8 14.7 14-16 14-16 15 15 9.1 9.2 5 5
L4 14.8 14.6 14-16 14-15 15 15 9.1 9.2 5 5
L5 15.0 14.8 14-16 14-16 15 15 9.3 9.5 5 5
L6 15.0 14.9 14-16 14-16 15 15 9.4 9.5 5 5
L7 14.9 15.0 14-16 14-16 15 15 9.5 9.4 5 5
L8 15.0 14.8 14-16 14-16 15 15 9.4 9.6 5 5
L9 14.8 14.6 14-16 14-16 15 15 9.0 9.2 5 5
L10 14.7 14.6 14-16 14-16 15 15 9.0 9.1 5 5
L11 15.1 14.9 14-16 14-16 15 15 9.4 9.6 5 5
L12 15.0 15.0 14-16 14-16 15 15 9.7 9.7 5 5
L13 14.8 14.6 14-15 14-15 15 15 9.4 9.5 5 5
L14 15.2 14.9 14-16 14-16 15 15 9.4 9.7 5 5
L15 14.5 14.4 14-15 14-15 14.5 14 9.2 9.3 5 5
L16 15.0 14.7 14-16 14-16 15 15 9.1 9.4 5 5
L17 14.6 14.5 14-15 14-15 15 14.5 9.3 9.4 5 5
L18 15.0 14.8 14-16 14-16 15 15 9.1 9.3 5 5
L19 14.5 14.5 14-15 14-15 14.5 14.5 9.0 9.1 5 5
L20 14.8 14.6 14-16 14-15 15 15 9.2 9.4 5 5

图1

机插早、晚稻产量系统聚类分析 图中代号所表示的品种见表1。"

表5

机插早稻品种产量及产量构成"

品种
Cultivar		 有效穗数
Panicle number
(×104 hm-2)		 每穗粒数
Grains per
panicle		 总颖花量
Total spikelets
(×104 hm-2)		 结实率
Filled grain
percentage (%)		 千粒重1000-grain
weight (g)		 实产
Grain yield
(kg hm-2)		 生育期Growth duration (d) 日产量
Daily yield
(kg hm-2 d-1)
高产High yield
E1 341.07 137.34 46841.33 81.12 26.26 8885.07 113 78.63
E2 337.55 134.64 45446.61 80.46 27.27 8716.01 111 78.52
E3 358.98 116.46 41805.24 83.06 27.73 8577.43 111 77.27
E4 327.52 131.55 43087.18 81.41 26.68 8521.97 113 75.42
E5 350.34 121.00 41300.40 82.80 26.75 8488.18 111 76.47
平均Mean 343.09±12.06 a 128.20±9.03 a 43696.15±2379.19 a 81.77±1.12 a 26.94±0.57 a 8637.73±163.33 a 111.8±1.2 a 77.26±1.37 a
中产Middle yield
E6 337.80 113.13 38215.82 84.40 28.02 8253.49 117 70.54
E7 329.51 120.47 39695.59 84.07 27.12 8237.90 116 71.02
E8 325.75 126.87 41328.23 82.78 26.25 8210.87 114 72.03
E9 330.32 130.07 42964.07 78.87 26.93 8191.96 116 70.62
E10 349.74 114.22 39945.57 80.80 27.38 7876.95 115 68.50
E11 325.74 134.54 43824.40 81.31 24.61 7869.01 115 68.43
E12 341.87 123.07 42074.47 78.00 26.41 7813.43 114 68.54
E13 345.27 113.67 39246.27 83.23 25.66 7755.74 112 69.25
E14 333.30 126.71 42232.44 78.54 25.83 7749.90 114 67.98
平均Mean 335.48±8.67 a 122.53±7.73 a 41058.54±1878.35 b 81.33±2.45 a 26.47±1.03 ab 7995.47±221.16 b 113.8±1.5 a 69.65±1.43 b
低产 Low yield
E15 331.27 112.86 37386.57 81.23 26.45 7424.35 113 65.70
E16 345.87 106.01 36665.68 80.31 27.12 7415.45 116 63.93
E17 336.43 120.71 40611.09 81.06 25.05 7414.33 111 66.80
E18 351.98 113.37 39903.41 78.99 25.15 7134.79 114 62.59
E19 341.48 105.73 36104.15 79.49 26.14 6898.69 113 61.05
平均Mean 341.40±8.05 a 111.74±6.19 b 38134.18±2006.35 c 80.22±0.97 a 25.98±0.88 b 7257.52±235.15 c 113.4±1.8 a 64.01±2.31 c

表6

机插早稻品种产量与产量构成因子的相关系数及通径系数"

产量因素
Yield component		 产量结构间相关系数 Correlation coefficient among yield components 对Y效应
(Pi→Y)		 对X3效应
(Pi→X3)
X2 X3 X4 X5 Y (yield)
有效穗 Panicle number (X1) -0.505* -0.194 -0.012 0.227 -0.077 0.377
每穗粒数 Grains per panicle (X2) 0.942** -0.101 -0.227 0.671** 1.132
颖花量 Total spikelets (X3) -0.136 -0.164 0.722** 0.849
结实率 Filled grain percentage (X4) 0.309 0.424 0.405
千粒重 1000-grain weight (X5) 0.422 0.436

表7

机插晚稻品种产量及产量构成"

品种
Cultivar		 有效穗数
Panicle number
(×104 hm-2)		 每穗粒数
Grains per
panicle		 总颖花量
Total spikelets
(×104 hm-2)		 结实率
Filled grain
percentage (%)		 千粒重1000-grain
weight (g)		 实产
Grain yield
(kg hm-2)		 生育期Growth duration (d) 日产量
Daily yield
(kg hm-2 d-1)
高产High yield
L1 330.22 138.74 45813.32 86.44 27.89 9620.33 118 81.53
L2 341.90 146.68 50150.70 86.72 24.63 9562.96 117 81.73
L3 352.74 134.18 47331.09 88.51 24.72 9544.33 117 81.58
L4 328.42 136.58 44856.44 87.94 28.01 9525.33 116 82.11
L5 330.72 153.99 50928.12 86.23 24.15 9468.32 118 80.24
L6 305.99 146.16 44721.99 86.53 26.73 9400.10 119 78.99
L7 337.25 140.22 47289.20 88.12 25.09 9265.67 119 77.86
平均Mean 332.46±14.42 a 142.36±9.91 a 47298.70±2453.51 a 87.21±0.94 a 25.89±1.62 a 9483.86±119.11 a 117.7±1.9 a 80.58±1.61 a
中产Middle yield
L8 303.24 153.09 46423.29 84.77 25.56 9113.67 117 77.89
L9 335.17 132.07 44265.34 86.36 25.91 9091.01 114 79.75
L10 354.19 119.00 42148.61 89.29 27.66 8863.35 116 76.41
L11 316.42 138.20 43729.84 86.85 25.51 8828.67 119 74.19
L12 296.32 144.51 42821.63 89.75 25.44 8771.67 118 74.34
L13 295.09 151.67 44756.05 85.48 25.43 8740.88 116 75.35
L14 341.09 134.10 45398.54 84.53 25.19 8695.67 120 72.46
L15 315.40 121.85 38431.49 90.90 27.45 8671.00 113 76.73
L16 365.33 108.25 39545.80 88.68 27.59 8663.05 117 74.36
平均Mean 324.70±25.49 a 132.53±15.18 ab 43095.88±2650.91 b 87.41±2.32 a 26.19±1.05 a 8826.55±170.35 b 116.6±2.2 a 75.72±2.22 b
低产 Low yield
L17 296.82 146.28 43416.90 90.10 24.08 8531.25 117 72.92
L18 381.67 107.83 41156.57 86.61 26.61 8505.13 117 72.69
L19 360.37 118.59 42738.40 87.43 24.72 8336.29 112 74.43
L20 335.22 122.96 41217.37 83.54 26.34 8167.52 115 71.02
平均Mean 343.52±36.47 a 123.92±16.21 b 42132.31±1126.45 b 86.92±2.70 a 25.44±1.23 a 8385.05±168.81 c 115.3±2.4 a 72.77±1.42 c

表8

机插晚稻品种产量与产量构成因子的相关系数及通径系数"

产量因素
Yield component		 产量结构间相关系数 Correlation coefficient among yield components 对Y效应
(Pi→Y)		 对X3效应
(Pi→X3)
X2 X3 X4 X5 Y (yield)
有效穗 Panicle number (X1) -0.775** -0.173 -0.019 0.192 -0.098 1.028
每穗粒数 Grains per panicle (X2) 0.753** -0.225 -0.526* 0.514* 1.549
颖花量 Total spikelets (X3) -0.361 -0.612** 0.719** 1.313
结实率 Filled grain percentage (X4) 0.142 0.007 0.374
千粒重 1000-grain weight (X5) -0.001 0.475

表9

不同产量类型机插早、晚稻品种的分蘖成穗特性"

季别
Season		 类型
Type		 分蘖增长率
Increase rate
of tillering
(×104 hm-2 d-1)		 分蘖下降率
Decrease rate
of tillering
(×104 hm-2 d-1)		 高峰苗数
Number of
peak tiller
(×104 hm-2)		 分蘖力
Tillering
ability
(panicle per stem)		 成穗率
Rate of
effective ear
(%)
早稻 高产HY (n = 5) 10.91±1.28 a 6.72±0.98 a 505.69±31.97 a 3.05±0.41 a 68.24±2.65 a
Early rice 中产MY (n = 9) 11.23±1.06 a 7.31±0.95 a 511.39±29.81 a 3.13±0.42 a 65.85±2.59 ab
低产LY (n = 5) 11.72±0.98 a 7.77±0.84 a 529.00±26.22 a 3.16±0.33 a 64.18±2.32 b
晚稻 高产HY (n = 7) 15.43±1.23 a 9.26±0.91 a 584.58±16.99 a 4.53±0.29 a 57.29±1.38 a
Late rice 中产MY (n = 9) 15.28±1.38 a 9.34±0.82 a 579.17±26.22 a 4.46±0.28 a 56.49±1.09 ab
低产LY (n = 4) 16.55±1.95 a 10.41±1.35 a 622.82±33.44 a 4.56±0.37 a 53.92±2.02 b

表10

机插早、晚稻品种的干物质生产特性"

类型
Type		 幼穗分化III期Panicle initiation 抽穗期Heading 成熟期Maturity 花后干物质积累量
Biomass
accumulation from heading to maturity
(kg hm-2)
总量
Total
biomass
(kg hm-2)		 单茎干
物质量Biomass
per stem (g)		 总量
Total
biomass
(kg hm-2)		 单茎干
物质量Biomass per stem (g)		 总量
Total
biomass
(kg hm-2)		 单茎干
物质量Biomass
per stem (g)
早稻Early rice
高产HY (n = 5) 2193.41±61.83 a 0.44±0.04 a 8408.71±154.79 a 2.44±0.08 a 14344.67±174.35 a 4.17±0.11 a 5935.96±111.77 a
中产MY (n = 9) 2217.96±178.50 a 0.44±0.05 a 8128.87±237.47 b 2.42±0.12 a 13347.14±309.72 b 3.97±0.16 a 5218.26±220.30 b
低产LY (n = 5) 2139.63±97.62 a 0.41±0.03 a 7415.32±214.19 c 2.17±0.10 b 12475.42±450.33 c 3.65±0.20 b 5060.10±346.06 b
晚稻Late rice
高产HY (n = 7) 4113.70±152.36 a 0.71±0.03 a 10411.51±251.61 a 3.12±0.16 a 16383.90±219.91 a 4.91±0.24 a 5972.39±164.51 a
中产MY (n = 9) 4055.24±269.59 a 0.70±0.04 a 9766.09±359.61 b 3.01±0.29 ab 15534.38±351.03 b 4.77±0.32 ab 5768.29±348.15 ab
低产LY (n = 4) 4245.96±271.89 a 0.67±0.07 a 9342.54±330.26 b 2.75±0.27 b 14738.69±419.56 c 4.35±0.44 b 5396.15±303.03 b

表11

机插早、晚稻品种的LAI及粒叶比"

类型
Type		 幼穗分化III期Panicle initiation 抽穗期Heading 成熟期Maturity 粒叶比
Grain-leaf ratio
(spikelet per cm2)
LAI 单茎叶面积
Leaf area per stem (cm2)		 LAI 单茎叶面积
Leaf area per stem (cm2)		 LAI 单茎叶面积
Leaf area per stem (cm2)
早稻 Early rice
高产HY (n = 5) 3.15±0.11 a 62.64±5.44 a 6.11±0.11 a 178.25±5.66 a 3.76±0.32 a 109.92±10.68 a 0.7149±0.0287 a
中产MY (n = 9) 3.00±0.29 a 58.85±6.35 ab 5.92±0.14 ab 176.41±5.55 a 3.14±0.16 b 93.66±4.57 b 0.6945±0.0379 ab
低产LY (n = 5) 2.89±0.38 a 54.54±5.50 b 5.57±0.15 b 163.33±7.02 b 2.86±0.20 c 83.91±7.63 c 0.6761±0.0268 b
晚稻 Late rice
高产HY (n = 7) 5.18±0.25 a 90.52±3.88 a 7.04±0.47 a 211.81±10.77 a 3.62±0.21 a 108.98±5.77 a 0.6744±0.0552 a
中产MY (n = 9) 5.05±0.46 a 87.18±9.62 a 6.52±0.37 b 201.76±19.22 ab 3.41±0.31 ab 105.48±9.87 ab 0.6577±0.0367 a
低产LY (n = 4) 5.27±0.73 a 82.96±6.81 a 6.49±0.19 b 190.19±14.02 b 3.19±0.29 b 96.41±4.22 b 0.6496±0.0331 a
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