中国水稻科学 ›› 2018, Vol. 32 ›› Issue (1): 51-66.DOI: 10.16819/j.1001-7216.2018.7047
李银银, 许更文, 李俊峰, 郭佳蓉, 王志琴, 杨建昌*()
收稿日期:
2017-04-25
修回日期:
2017-05-26
出版日期:
2018-01-10
发布日期:
2018-01-10
通讯作者:
杨建昌
基金资助:
Yinyin LI, Gengwen XU, Junfeng LI, Jiarong GUO, Zhiqin WANG, Jianchang YANG*()
Received:
2017-04-25
Revised:
2017-05-26
Online:
2018-01-10
Published:
2018-01-10
Contact:
Jianchang YANG
摘要:
【目的】 本研究旨在探明水稻耐低磷性的评价指标和耐低磷品种的农艺生理特征。【方法】以11个江苏省近70年来的代表性粳稻品种作为材料,进行水培种植,设置低磷(标准营养液中磷浓度的1/20)处理,以正常磷浓度(国际水稻研究所标准营养液配方)为对照。【结果】 耐低磷指数(低磷产量×耐低磷系数/所有供试品种低磷处理的平均产量)、干物质指数(低磷干物质量/对照干物质量)与耐低磷系数(低磷产量/对照产量)及低磷处理下的产量呈显著或极显著正相关。将耐低磷指数和干物质指数作为评价水稻品种耐低磷性的指标。根据两指标值的大小将供试品种分成3类:强耐低磷品种,耐低磷指数和干物质指数均≥1;中耐低磷品种,耐低磷指数和干物质指数均>0.6, 耐低磷指数或干物质指数<1;弱耐低磷品种或低磷敏感型品种,耐低磷指数或干物质指数≤0.6。与弱耐低磷品种相比,强耐低磷品种在低磷处理下具有根量大、根系活力强,分蘖早期分蘖数多,总叶面积指数(LAI)和高效LAI大、有效LAI比例高,库容量大,抽穗期茎鞘中糖积累量多,抽穗至成熟期物质生产能力强等特征。与对照相比,低磷处理增加了磷素产谷利用率(稻谷产量/磷吸收量)和磷收获指数(籽粒中磷/成熟期植株中总吸收的磷)。在低磷下的磷素产谷利用率,强耐低磷品种高于弱耐低磷品种。【结论】 耐低磷指数和干物质指数可以作为耐低磷品种的筛选指标;在低磷处理下,根量大、分蘖早期分蘖数多、库容量大、抽穗至成熟期物质生产能力强是耐低磷性强和磷利用效率高水稻品种的重要农艺生理特征。
中图分类号:
李银银, 许更文, 李俊峰, 郭佳蓉, 王志琴, 杨建昌. 水稻品种的耐低磷性及其农艺生理性状[J]. 中国水稻科学, 2018, 32(1): 51-66.
Yinyin LI, Gengwen XU, Junfeng LI, Jiarong GUO, Zhiqin WANG, Jianchang YANG. Tolerance to Low Phosphorus and Its Agronomic and Physiological Characteristics of Rice Cultivars[J]. Chinese Journal OF Rice Science, 2018, 32(1): 51-66.
应用年份 Year of application | 品种 Cultivar | 主栽年份 Planting year |
---|---|---|
20世纪50年代 1950s | 桂花球 Guihuaqiu | 1950–1960 |
20世纪60年代 1960s | 金南风、桂花黄 Jinnanfeng, Guihuahuang | 1960–1970 |
20世纪70年代 1970s | 徐稻2号、黎明 Xudao 2, Liming | 1970–1980 |
20世纪80年代 1980s | 泗稻8号、盐粳2号 Sidao 8, Yanjing 2 | 1980–1990 |
20世纪90年代 1990s | 镇稻88、淮稻5号 Zhendao 88, Huaidao 5 | 1990–2000 |
2000年以后 2000– | 连粳7号(超级稻)、甬优2640(杂交稻) Lianjing 7(super rice), Yongyou 2640(Hybrid rice) | 2000– |
表1 本研究供试品种
Table 1 Tested cultivars in the study.
应用年份 Year of application | 品种 Cultivar | 主栽年份 Planting year |
---|---|---|
20世纪50年代 1950s | 桂花球 Guihuaqiu | 1950–1960 |
20世纪60年代 1960s | 金南风、桂花黄 Jinnanfeng, Guihuahuang | 1960–1970 |
20世纪70年代 1970s | 徐稻2号、黎明 Xudao 2, Liming | 1970–1980 |
20世纪80年代 1980s | 泗稻8号、盐粳2号 Sidao 8, Yanjing 2 | 1980–1990 |
20世纪90年代 1990s | 镇稻88、淮稻5号 Zhendao 88, Huaidao 5 | 1990–2000 |
2000年以后 2000– | 连粳7号(超级稻)、甬优2640(杂交稻) Lianjing 7(super rice), Yongyou 2640(Hybrid rice) | 2000– |
药品种类 Type of drug | 药品名称 Drug name | 移栽后10 d Ten days after transplanting | 抽穗后 After heading | 配置 Configuration | ||
---|---|---|---|---|---|---|
全液 Full liquid/g | 1/2全液 1/2 full liquid/g | 1/4全液 1/4 full liquid/g | ||||
大量元素 Macronutrients | Ca(NO3)2·4H2O | 736.92 | 368.46 | 184.23 | Ca(NO3)2·4H2O单独称, | |
MgSO4·7H2O | 2070 | 1035 | 517.5 | 不能和MgSO4·7H2O混合, | ||
(NH4)2SO4 | 405.72 | 202.86 | 101.43 | 其余几种称在一起 | ||
KCl | 154.24 | 77.12 | 38.56 | 用KCl和H3PO4代替KH2PO4 | ||
H3PO4(ml) | 127.35 | 63.68 | 31.84 | |||
微量元素 Micronutrients | H3BO3 | 23.68 | 11.84 | 5.92 | 用一瓶浓H2SO4分成两份溶解 | |
ZnSO4·7H2O | 1.82 | 0.91 | 0.46 | 分装于两个1L烧杯内 | ||
MnCl2·4H2O | 14.99 | 7.49 | 3.75 | 加入除MnCl2以外的微量元素 | ||
CuSO4·5H2O | 0.66 | 0.33 | 0.17 | 于通风橱中加MnCl2 | ||
H2MoO4·H2O | 0.17 | 0.08 | 0.04 | 放热一会后加入一定量的冰水 | ||
柠檬酸 | 16.56 | 8.28 | 4.14 | 冷却后装入大瓶中稍微稀释 | ||
EDTA Na | 67 | 8个小池子的量,用开水将Na盐 | ||||
FeSO4·7H2O | 62.5 | 溶解后加入FeSO4·7H2O装入大桶稀释 |
表2 水培池营养液配方(国际水稻研究所)
Table 2 Hydroponics nutrient solution (International Rice Research Institute).
药品种类 Type of drug | 药品名称 Drug name | 移栽后10 d Ten days after transplanting | 抽穗后 After heading | 配置 Configuration | ||
---|---|---|---|---|---|---|
全液 Full liquid/g | 1/2全液 1/2 full liquid/g | 1/4全液 1/4 full liquid/g | ||||
大量元素 Macronutrients | Ca(NO3)2·4H2O | 736.92 | 368.46 | 184.23 | Ca(NO3)2·4H2O单独称, | |
MgSO4·7H2O | 2070 | 1035 | 517.5 | 不能和MgSO4·7H2O混合, | ||
(NH4)2SO4 | 405.72 | 202.86 | 101.43 | 其余几种称在一起 | ||
KCl | 154.24 | 77.12 | 38.56 | 用KCl和H3PO4代替KH2PO4 | ||
H3PO4(ml) | 127.35 | 63.68 | 31.84 | |||
微量元素 Micronutrients | H3BO3 | 23.68 | 11.84 | 5.92 | 用一瓶浓H2SO4分成两份溶解 | |
ZnSO4·7H2O | 1.82 | 0.91 | 0.46 | 分装于两个1L烧杯内 | ||
MnCl2·4H2O | 14.99 | 7.49 | 3.75 | 加入除MnCl2以外的微量元素 | ||
CuSO4·5H2O | 0.66 | 0.33 | 0.17 | 于通风橱中加MnCl2 | ||
H2MoO4·H2O | 0.17 | 0.08 | 0.04 | 放热一会后加入一定量的冰水 | ||
柠檬酸 | 16.56 | 8.28 | 4.14 | 冷却后装入大瓶中稍微稀释 | ||
EDTA Na | 67 | 8个小池子的量,用开水将Na盐 | ||||
FeSO4·7H2O | 62.5 | 溶解后加入FeSO4·7H2O装入大桶稀释 |
处 理 Treatment | 品种 Cultivar | 单株穗数 Number of panicles per plant | 每穗粒数 Number of grains per panicle | 千粒重 1000-grain weight/g | 结实率 Seed setting rate/% | 单株产量 Yield per plant/g |
---|---|---|---|---|---|---|
低P LP | 甬优2640 Yongyou 2640 | 4.4 i | 247.27 a | 23.47 e | 82.50 c | 21.06 a |
桂花球 Guihuaqiu | 6.1 e | 119.42 b | 28.48 a | 79.19 d | 16.29 b | |
盐粳2号 Yanjing 2 | 8.2 c | 79.71 f | 24.48 d | 89.62 a | 14.34 cd | |
金南风 Jinnanfeng | 8.9 b | 70.09 g | 25.97 c | 86.31 b | 13.99 d | |
桂花黄 Guihuahuang | 6.9 d | 110.16 c | 26.92 b | 70.59 ef | 14.45 ef | |
泗稻8号 Sidao 8 | 5.7 f | 102.54 cd | 24.85 d | 87.47 b | 12.71 e | |
淮稻5号 Huaidao 5 | 4.8 h | 95.53 de | 26.45 bc | 91.07 a | 11.04 g | |
徐稻2号 Xudao 2 | 6.0 e | 104.25 c | 26.06 c | 72.84 e | 11.87 f | |
黎明 Liming | 13.5 a | 35.47 h | 24.61 d | 55.97 g | 6.63 i | |
连粳7号 Lianjing 7 | 5.4 g | 122.07 b | 26.92 b | 48.31 h | 8.57 h | |
镇稻88 Zhendao 88 | 4.9 h | 92.14 e | 28.30 a | 68.82 f | 8.71 h | |
对照 Control | 甬优2640 Yongyou 2640 | 4.9 j | 267.25 a | 22.21 f | 82.17 a | 23.85 a |
桂花球 Guihuaqiu | 7.3 e | 144.58 c | 25.25 b | 63.53 e | 16.93 b | |
盐粳2号 Yanjing 2 | 6.5 f | 116.51 e | 22.35 f | 78.86 b | 13.46 e | |
金南风 Jinnanfeng | 9.7 b | 80.19 g | 23.04 e | 74.66 c | 13.39 e | |
桂花黄 Guihuahuang | 7.3 e | 114.02 ef | 23.87 cd | 75.1 c | 14.92 d | |
泗稻8号 Sidao 8 | 7.6 d | 113.28 ef | 23.85 cd | 75.53 c | 15.5 c | |
淮稻5号 Huaidao 5 | 5.1 i | 146.72 c | 23.92 cd | 69.72 d | 12.49 f | |
徐稻2号 Xudao 2 | 7.8 c | 123.06 d | 24.14 c | 71.72 d | 16.63 b | |
黎明 Liming | 11.9 a | 58.23 h | 23.73 d | 48.91 f | 8.04 h | |
连粳7号 Lianjing 7 | 5.6 h | 158.52 b | 25.44 a | 48.8 f | 11.12 g | |
镇稻88 Zhendao 88 | 6.3 g | 111.91 f | 25.41 ab | 75.48 c | 13.61 e |
表3 不同磷处理下各水稻品种产量及其构成因素
Table 3 Yield and its components of rice cultivars under different phosphorus treatments.
处 理 Treatment | 品种 Cultivar | 单株穗数 Number of panicles per plant | 每穗粒数 Number of grains per panicle | 千粒重 1000-grain weight/g | 结实率 Seed setting rate/% | 单株产量 Yield per plant/g |
---|---|---|---|---|---|---|
低P LP | 甬优2640 Yongyou 2640 | 4.4 i | 247.27 a | 23.47 e | 82.50 c | 21.06 a |
桂花球 Guihuaqiu | 6.1 e | 119.42 b | 28.48 a | 79.19 d | 16.29 b | |
盐粳2号 Yanjing 2 | 8.2 c | 79.71 f | 24.48 d | 89.62 a | 14.34 cd | |
金南风 Jinnanfeng | 8.9 b | 70.09 g | 25.97 c | 86.31 b | 13.99 d | |
桂花黄 Guihuahuang | 6.9 d | 110.16 c | 26.92 b | 70.59 ef | 14.45 ef | |
泗稻8号 Sidao 8 | 5.7 f | 102.54 cd | 24.85 d | 87.47 b | 12.71 e | |
淮稻5号 Huaidao 5 | 4.8 h | 95.53 de | 26.45 bc | 91.07 a | 11.04 g | |
徐稻2号 Xudao 2 | 6.0 e | 104.25 c | 26.06 c | 72.84 e | 11.87 f | |
黎明 Liming | 13.5 a | 35.47 h | 24.61 d | 55.97 g | 6.63 i | |
连粳7号 Lianjing 7 | 5.4 g | 122.07 b | 26.92 b | 48.31 h | 8.57 h | |
镇稻88 Zhendao 88 | 4.9 h | 92.14 e | 28.30 a | 68.82 f | 8.71 h | |
对照 Control | 甬优2640 Yongyou 2640 | 4.9 j | 267.25 a | 22.21 f | 82.17 a | 23.85 a |
桂花球 Guihuaqiu | 7.3 e | 144.58 c | 25.25 b | 63.53 e | 16.93 b | |
盐粳2号 Yanjing 2 | 6.5 f | 116.51 e | 22.35 f | 78.86 b | 13.46 e | |
金南风 Jinnanfeng | 9.7 b | 80.19 g | 23.04 e | 74.66 c | 13.39 e | |
桂花黄 Guihuahuang | 7.3 e | 114.02 ef | 23.87 cd | 75.1 c | 14.92 d | |
泗稻8号 Sidao 8 | 7.6 d | 113.28 ef | 23.85 cd | 75.53 c | 15.5 c | |
淮稻5号 Huaidao 5 | 5.1 i | 146.72 c | 23.92 cd | 69.72 d | 12.49 f | |
徐稻2号 Xudao 2 | 7.8 c | 123.06 d | 24.14 c | 71.72 d | 16.63 b | |
黎明 Liming | 11.9 a | 58.23 h | 23.73 d | 48.91 f | 8.04 h | |
连粳7号 Lianjing 7 | 5.6 h | 158.52 b | 25.44 a | 48.8 f | 11.12 g | |
镇稻88 Zhendao 88 | 6.3 g | 111.91 f | 25.41 ab | 75.48 c | 13.61 e |
品种 Cultivar | 耐低磷指数 LP tolerance index | 干物质指数 Dry matter index | 耐低磷系数 LP tolerance coefficient | 株高指数 Plant height index | 磷胁迫敏感指数 Stress sensitivity index | 综合耐低磷指数 Comprehensive tolerance index to LP |
---|---|---|---|---|---|---|
甬优2640 Yongyou 2640 | 1.454 a | 1.000 b | 0.881 c | 0.935 a | 0.972 e | 82.377 b |
桂花球 Guihuaqiu | 1.228 b | 1.039 a | 0.962 b | 0.998 a | 0.308 g | 96.054 a |
盐粳2号 Yanjing 2 | 1.197 b | 1.010 ab | 1.066 a | 0.937 a | -0.539 i | 99.876 a |
金南风 Jinnanfeng | 1.144 bc | 0.748 d | 1.045 a | 0.958 a | -0.365 h | 100.108 a |
桂花黄 Guihuahuang | 1.094 c | 0.812 e | 0.967 b | 0.871 b | 0.267 g | 84.256 b |
泗稻8号 Sidao 8 | 0.815 d | 0.631 e | 0.819cd | 1.009 a | 1.481 d | 82.627 b |
淮稻5号 Huaidao 5 | 0.766 d | 0.582 e | 0.885 c | 0.940 a | 0.941 e | 83.236 b |
徐稻2号 Xudao 2 | 0.664 e | 0.602 e | 0.714 de | 0.999 a | 2.338 b | 71.370 c |
黎明 Liming | 0.541 f | 0.478 f | 0.824 cd | 1.026 a | 0.602 f | 95.067 a |
连粳7号 Lianjing 7 | 0.517 f | 0.510 f | 0.771 d | 1.000 a | 1.878 c | 77.071 c |
镇稻88 Zhendao 88 | 0.435 g | 0.789 cd | 0.639 e | 0.975 a | 2.960 a | 62.280 c |
表4 各水稻品种耐低磷性
Table 4 Low phosphorus(LP) tolerance of rice cultivars.
品种 Cultivar | 耐低磷指数 LP tolerance index | 干物质指数 Dry matter index | 耐低磷系数 LP tolerance coefficient | 株高指数 Plant height index | 磷胁迫敏感指数 Stress sensitivity index | 综合耐低磷指数 Comprehensive tolerance index to LP |
---|---|---|---|---|---|---|
甬优2640 Yongyou 2640 | 1.454 a | 1.000 b | 0.881 c | 0.935 a | 0.972 e | 82.377 b |
桂花球 Guihuaqiu | 1.228 b | 1.039 a | 0.962 b | 0.998 a | 0.308 g | 96.054 a |
盐粳2号 Yanjing 2 | 1.197 b | 1.010 ab | 1.066 a | 0.937 a | -0.539 i | 99.876 a |
金南风 Jinnanfeng | 1.144 bc | 0.748 d | 1.045 a | 0.958 a | -0.365 h | 100.108 a |
桂花黄 Guihuahuang | 1.094 c | 0.812 e | 0.967 b | 0.871 b | 0.267 g | 84.256 b |
泗稻8号 Sidao 8 | 0.815 d | 0.631 e | 0.819cd | 1.009 a | 1.481 d | 82.627 b |
淮稻5号 Huaidao 5 | 0.766 d | 0.582 e | 0.885 c | 0.940 a | 0.941 e | 83.236 b |
徐稻2号 Xudao 2 | 0.664 e | 0.602 e | 0.714 de | 0.999 a | 2.338 b | 71.370 c |
黎明 Liming | 0.541 f | 0.478 f | 0.824 cd | 1.026 a | 0.602 f | 95.067 a |
连粳7号 Lianjing 7 | 0.517 f | 0.510 f | 0.771 d | 1.000 a | 1.878 c | 77.071 c |
镇稻88 Zhendao 88 | 0.435 g | 0.789 cd | 0.639 e | 0.975 a | 2.960 a | 62.280 c |
变异来源 Source of variation | 自由度 df | 耐低磷系数 LP tolerance coefficient | 耐低磷指数 LP tolerance index | 干物质指数 Dry matter index | 株高指数 Plant height index | 胁迫敏感指数 Stress sensitivity index | 综合耐低磷指数 Comprehensive tolerance index to LP |
---|---|---|---|---|---|---|---|
年代间 Between periods | 5 | NS | NS | NS | NS | NS | NS |
品种间 Between varieties | 10 | 15196** | 35655** | 10380** | 2679** | 1963594** | 2530686** |
表5 年代与各耐低磷指标之间的方差分析
Table 5 Analysis of variance between age and resistance to low phosphorus(LP) stress.
变异来源 Source of variation | 自由度 df | 耐低磷系数 LP tolerance coefficient | 耐低磷指数 LP tolerance index | 干物质指数 Dry matter index | 株高指数 Plant height index | 胁迫敏感指数 Stress sensitivity index | 综合耐低磷指数 Comprehensive tolerance index to LP |
---|---|---|---|---|---|---|---|
年代间 Between periods | 5 | NS | NS | NS | NS | NS | NS |
品种间 Between varieties | 10 | 15196** | 35655** | 10380** | 2679** | 1963594** | 2530686** |
耐低磷筛选指标 Indexes for evaluating LP tolerance | 低磷产量 LP yield | 耐低磷系数 LP tolerance coefficient | 耐低磷指数 LP tolerance index | 干物质指数 Dry matter index | 株高指数 Plant height index | 胁迫敏感指数 Stress sensitivity index | 综合耐低磷指数 Comprehensive resistance to LP index |
---|---|---|---|---|---|---|---|
低磷产量 LPY | 1 | 0.432 | 0.944** | 0.778** | -0.478 | -0.425 | 0.307 |
耐低磷系数LPTC | 0.432 | 1 | 0.699* | 0.419 | -0.393 | -1.000** | 0.947** |
耐低磷指数 LPTI | 0.944** | 0.699* | 1 | 0.796** | -0.533 | -0.633 | 0.576 |
干物质指数 DMI | 0.778** | 0.419 | 0.796** | 1 | -0.533 | -0.418 | 0.3 |
株高指数 PHI | -0.478 | -0.393 | -0.533 | -0.451 | 1 | 0.33 | -0.077 |
胁迫敏感指数 SSI | -0.425 | -1.000** | -0.633 | -0.418 | 0.33 | 1 | -0.914** |
综合耐低磷指数CRTLI | 0.307 | 0.947** | 0.576 | 0.3 | -0.077 | -0.914** | 1 |
表6 各耐低磷指标与产量及各指标之间的相关性
Table 6 Correlation between the resistance indexes to low phosphorus(LP) and grain yield.
耐低磷筛选指标 Indexes for evaluating LP tolerance | 低磷产量 LP yield | 耐低磷系数 LP tolerance coefficient | 耐低磷指数 LP tolerance index | 干物质指数 Dry matter index | 株高指数 Plant height index | 胁迫敏感指数 Stress sensitivity index | 综合耐低磷指数 Comprehensive resistance to LP index |
---|---|---|---|---|---|---|---|
低磷产量 LPY | 1 | 0.432 | 0.944** | 0.778** | -0.478 | -0.425 | 0.307 |
耐低磷系数LPTC | 0.432 | 1 | 0.699* | 0.419 | -0.393 | -1.000** | 0.947** |
耐低磷指数 LPTI | 0.944** | 0.699* | 1 | 0.796** | -0.533 | -0.633 | 0.576 |
干物质指数 DMI | 0.778** | 0.419 | 0.796** | 1 | -0.533 | -0.418 | 0.3 |
株高指数 PHI | -0.478 | -0.393 | -0.533 | -0.451 | 1 | 0.33 | -0.077 |
胁迫敏感指数 SSI | -0.425 | -1.000** | -0.633 | -0.418 | 0.33 | 1 | -0.914** |
综合耐低磷指数CRTLI | 0.307 | 0.947** | 0.576 | 0.3 | -0.077 | -0.914** | 1 |
类型 Type | 品种名称 Cultivar name |
---|---|
强耐低磷品种 Varieties with strong resistance to low phosphorus | 甬优2640、桂花球、盐粳2号 Yongyou 2640, Guihuaqiu, Yanjing 2 |
中耐低磷品种 Varieties with medium resistance to low phosphorus | 金南风、桂花黄、泗稻8号、 Jinnanfeng, Guihuahuang, Sidao 8, 淮稻5号、徐稻2号 Huaidao 5, Xudao 2 |
弱耐低磷品种Varieties with weak resistance to low phosphorus | 黎明、连粳7号、镇稻88 Liming, Lianjing 7, Zhendao 88 |
表7 各品种的耐低磷性分类
Table 7 Classification of various cultivars of low phosphorus(LP) tolerance.
类型 Type | 品种名称 Cultivar name |
---|---|
强耐低磷品种 Varieties with strong resistance to low phosphorus | 甬优2640、桂花球、盐粳2号 Yongyou 2640, Guihuaqiu, Yanjing 2 |
中耐低磷品种 Varieties with medium resistance to low phosphorus | 金南风、桂花黄、泗稻8号、 Jinnanfeng, Guihuahuang, Sidao 8, 淮稻5号、徐稻2号 Huaidao 5, Xudao 2 |
弱耐低磷品种Varieties with weak resistance to low phosphorus | 黎明、连粳7号、镇稻88 Liming, Lianjing 7, Zhendao 88 |
图2 抽穗期不同磷处理下各品种的形态(左侧:对照;右侧:低P)低P–国际水稻研究所标准营养液配方磷浓度的1/20;对照–国际水稻研究所标准营养液配方磷浓度。
Fig. 2. Morphology of each cultivar under different phosphorus treatments at heading stage (left: control; right: LP).LP, 1/20 of phosphorus concentration the International Rice Research Institute standard nutrient solution formula; Control, International Rice Research Institute standard nutrient solution formula; Values followed by different letters within the same column are significantly different at 0.05 level.
图3 水稻生育后期不同磷处理根系形态低P–国际水稻研究所标准营养液配方磷浓度的1/20;对照–国际水稻研究所标准营养液配方磷浓度。
Fig. 3. Rice root morphology under different phosphorus treatments at late growth stage.LP, 1/20 of phosphorus concentration the International Rice Research Institute standard nutrient solution formula; Control, International Rice Research Institute standard nutrient solution formula; Values followed by different letters within the same column are significantly different at 0.05 level.
品种 Cultivar | 总根长 Total root length/(m·hill-1) | 根表面积 Root surface area/(m2·hill-1) | 根直径 Root diameter/mm | 根体积 Root volume/(cm3·hill-1) | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | ||||
甬优2640 Yongyou 2640 | 786.70 a | 416.39 f | 0.561 a | 0.523 a | 0.228 e | 0.332 a | 31.89 c | 52.76 a | |||
桂花球 Guihuaqiu | 403.52 d | 394.31 g | 0.336 c | 0.305 de | 0.250 d | 0.239 d | 14.70 i | 18.78 g | |||
盐粳2号 Yanjing 2 | 421.31 c | 420.10 f | 0.440 b | 0.340 cd | 0.333 a | 0.302 b | 36.58 a | 21.95 e | |||
金南风 Jinnanfeng | 246.86 g | 435.76 e | 0.263 e | 0.331 cd | 0.340 a | 0.293 b | 22.38 g | 20.02 f | |||
桂花黄 Guihuahuang | 345.80 f | 619.69 a | 0.347 c | 0.467 b | 0.324 a | 0.259 cd | 27.91 d | 28.40 c | |||
泗稻8号 Sidao 8 | 450.49 b | 319.95 h | 0.451 b | 0.264 e | 0.319 b | 0.298 b | 36.02 b | 17.55 h | |||
淮稻5号 Huaidao 5 | 417.80 c | 204.52 i | 0.283 de | 0.210 f | 0.216 f | 0.260 c | 15.23 h | 17.16 h | |||
徐稻2号 Xudao 2 | 373.33 e | 488.59 c | 0.333 c | 0.470 b | 0.285 c | 0.284 b | 23.68 f | 36.04 b | |||
连粳7号 Lianjing 7 | 419.00 c | 455.97 d | 0.296 d | 0.377 c | 0.208 f | 0.260 c | 15.34 h | 27.07 d | |||
镇稻88 Zhendao 88 | 401.34 d | 501.89 b | 0.292 d | 0.334 cd | 0.249 d | 0.249 cd | 24.34 e | 22.23 e |
表8 生育后期不同磷处理下的根长和根表面积
Table 8 Root length and root surface area under different phosphorus treatments at late growth stage.
品种 Cultivar | 总根长 Total root length/(m·hill-1) | 根表面积 Root surface area/(m2·hill-1) | 根直径 Root diameter/mm | 根体积 Root volume/(cm3·hill-1) | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | ||||
甬优2640 Yongyou 2640 | 786.70 a | 416.39 f | 0.561 a | 0.523 a | 0.228 e | 0.332 a | 31.89 c | 52.76 a | |||
桂花球 Guihuaqiu | 403.52 d | 394.31 g | 0.336 c | 0.305 de | 0.250 d | 0.239 d | 14.70 i | 18.78 g | |||
盐粳2号 Yanjing 2 | 421.31 c | 420.10 f | 0.440 b | 0.340 cd | 0.333 a | 0.302 b | 36.58 a | 21.95 e | |||
金南风 Jinnanfeng | 246.86 g | 435.76 e | 0.263 e | 0.331 cd | 0.340 a | 0.293 b | 22.38 g | 20.02 f | |||
桂花黄 Guihuahuang | 345.80 f | 619.69 a | 0.347 c | 0.467 b | 0.324 a | 0.259 cd | 27.91 d | 28.40 c | |||
泗稻8号 Sidao 8 | 450.49 b | 319.95 h | 0.451 b | 0.264 e | 0.319 b | 0.298 b | 36.02 b | 17.55 h | |||
淮稻5号 Huaidao 5 | 417.80 c | 204.52 i | 0.283 de | 0.210 f | 0.216 f | 0.260 c | 15.23 h | 17.16 h | |||
徐稻2号 Xudao 2 | 373.33 e | 488.59 c | 0.333 c | 0.470 b | 0.285 c | 0.284 b | 23.68 f | 36.04 b | |||
连粳7号 Lianjing 7 | 419.00 c | 455.97 d | 0.296 d | 0.377 c | 0.208 f | 0.260 c | 15.34 h | 27.07 d | |||
镇稻88 Zhendao 88 | 401.34 d | 501.89 b | 0.292 d | 0.334 cd | 0.249 d | 0.249 cd | 24.34 e | 22.23 e |
品 种 Cultivar | 处 理 Treatment | 分蘖中期 Tillering midterm | 穂分化始期 Spike differentiation | 抽穗期 Heading date | 成熟期 Mature period |
---|---|---|---|---|---|
甬优2640 Yongyou 2640 | 低P LP | 2266.05 c | 833.79 f | 796.11 a | 613.03 b |
对照 Control | 1264.70 f | 705.57 g | 688.83 b | 561.94 c | |
盐粳2号 Yanjing 2 | 低P LP | 2192.18 d | 1049.75 d | 635.77 c | 588.57 c |
对照 Control | 1742.95 e | 963.30 e | 466.68 e | 382.39 e | |
金南风 Jinnanfeng | 低P LP | 1284.27 f | 1151.60 c | 633.15 c | 618.19 b |
对照 Control | 1250.88 f | 1002.35 de | 629.40 c | 613.03 b | |
连粳7号 Lianjing 7 | 低P LP | 2329.05 b | 1501.80 b | 557.88 d | 518.98 d |
对照 Control | 2768.85 a | 1789.91 a | 787.18 a | 766.28 a |
表9 不同生育期不同磷处理下4个品种根系氧化力
Table 9 Root oxidation of four cultivars under different phosphorus treatments at different growth stages. µg·g-1 h-1
品 种 Cultivar | 处 理 Treatment | 分蘖中期 Tillering midterm | 穂分化始期 Spike differentiation | 抽穗期 Heading date | 成熟期 Mature period |
---|---|---|---|---|---|
甬优2640 Yongyou 2640 | 低P LP | 2266.05 c | 833.79 f | 796.11 a | 613.03 b |
对照 Control | 1264.70 f | 705.57 g | 688.83 b | 561.94 c | |
盐粳2号 Yanjing 2 | 低P LP | 2192.18 d | 1049.75 d | 635.77 c | 588.57 c |
对照 Control | 1742.95 e | 963.30 e | 466.68 e | 382.39 e | |
金南风 Jinnanfeng | 低P LP | 1284.27 f | 1151.60 c | 633.15 c | 618.19 b |
对照 Control | 1250.88 f | 1002.35 de | 629.40 c | 613.03 b | |
连粳7号 Lianjing 7 | 低P LP | 2329.05 b | 1501.80 b | 557.88 d | 518.98 d |
对照 Control | 2768.85 a | 1789.91 a | 787.18 a | 766.28 a |
品 种 Cultivar | 处 理 Treatment | 分蘖中期 Tillering midterm/(m2·hill-1) | 穗分化始期 Panicle differentiation/(m2·hill-1) | 抽穗期 Heading date/(m2·hill-1) | |||||
---|---|---|---|---|---|---|---|---|---|
总面积 Total area | 活跃面积 Active area | 总面积 Total area | 活跃面积 Active area | 总面积 Total area | 活跃面积 Active area | ||||
甬优2640 Yongyou 2640 | 低P LP | 3.473 e | 0.671 d | 7.615 d | 1.698 f | 28.827 a | 3.960 c | ||
对照 Control | 2.945 h | 0.529 f | 6.506 f | 1.305 g | 26.586 c | 2.041 g | |||
盐粳2号 Yanjing 2 | 低P LP | 3.758 c | 0.725 c | 9.586 a | 3.475 a | 21.715 d | 5.928 b | ||
对照 Control | 3.622 d | 0.570 e | 6.730 e | 2.702 d | 17.831 h | 3.905 d | |||
金南风 Jinnanfeng | 低P LP | 5.124 a | 1.128 a | 8.338 c | 3.180 b | 27.171 b | 6.116 a | ||
对照 Control | 4.198 b | 0.820 b | 9.154 b | 3.111 c | 20.560 f | 3.552 e | |||
连粳7号 Lianjing 7 | 低P LP | 3.456 f | 0.570 e | 5.142 g | 1.236 h | 20.208 g | 1.834 h | ||
对照 Control | 3.052 g | 0.511 g | 6.772 e | 2.369 e | 21.375 e | 3.067 f |
表10 不同生育期不同磷处理下4个品种根系吸收表面积
Table 10. Root absorption area of four cultivars under different phosphorus treatments at different growth stages.
品 种 Cultivar | 处 理 Treatment | 分蘖中期 Tillering midterm/(m2·hill-1) | 穗分化始期 Panicle differentiation/(m2·hill-1) | 抽穗期 Heading date/(m2·hill-1) | |||||
---|---|---|---|---|---|---|---|---|---|
总面积 Total area | 活跃面积 Active area | 总面积 Total area | 活跃面积 Active area | 总面积 Total area | 活跃面积 Active area | ||||
甬优2640 Yongyou 2640 | 低P LP | 3.473 e | 0.671 d | 7.615 d | 1.698 f | 28.827 a | 3.960 c | ||
对照 Control | 2.945 h | 0.529 f | 6.506 f | 1.305 g | 26.586 c | 2.041 g | |||
盐粳2号 Yanjing 2 | 低P LP | 3.758 c | 0.725 c | 9.586 a | 3.475 a | 21.715 d | 5.928 b | ||
对照 Control | 3.622 d | 0.570 e | 6.730 e | 2.702 d | 17.831 h | 3.905 d | |||
金南风 Jinnanfeng | 低P LP | 5.124 a | 1.128 a | 8.338 c | 3.180 b | 27.171 b | 6.116 a | ||
对照 Control | 4.198 b | 0.820 b | 9.154 b | 3.111 c | 20.560 f | 3.552 e | |||
连粳7号 Lianjing 7 | 低P LP | 3.456 f | 0.570 e | 5.142 g | 1.236 h | 20.208 g | 1.834 h | ||
对照 Control | 3.052 g | 0.511 g | 6.772 e | 2.369 e | 21.375 e | 3.067 f |
品 种 Cultivar | 分蘖中期 Mid-tillering/(kg·m-2) | 穗分化始期 Panicle differentiation/(kg·m-2) | 抽穗期 Heading date/(kg·m-2) | 成熟期 Maturity stage/(kg·m-2) | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | ||||
甬优2640 Yongyou 2640 | 0.029 b | 0.038 a | 0.100 d | 0.070 f | 0.318 b | 0.305 a | 0.438 a | 0.265 a | |||
桂花球 Guihuaqiu | 0.027 c | 0.030 b | 0.096 d | 0.121 c | 0.370 a | 0.261 b | 0.166 g | 0.115 e | |||
盐粳2号 Yanjing 2 | 0.029 b | 0.024 e | 0.146 b | 0.135 b | 0.198 e | 0.216 d | 0.383 b | 0.158 d | |||
金南风 Jinnanfeng | 0.022 ef | 0.026 cd | 0.099 d | 0.099 d | 0.220 d | 0.182 e | 0.195 e | 0.100 f | |||
桂花黄 Guihuahuang | 0.035 a | 0.025 de | 0.174 a | 0.142 b | 0.338 ab | 0.262 b | 0.189 f | 0.173 c | |||
泗稻8号 Sidao 8 | 0.034 a | 0.027 c | 0.059 f | 0.071 f | 0.178 f | 0.170 f | 0.200 e | 0.182 b | |||
淮稻5号 Huaidao 5 | 0.027 c | 0.029 b | 0.139 c | 0.190 a | 0.310 b | 0.246 c | 0.143 h | 0.111 e | |||
徐稻2号 Xudao 2 | 0.025 d | 0.025 de | 0.065 e | 0.044 h | 0.269 c | 0.140 g | 0.204 e | 0.181 b | |||
黎明 Liming | 0.023 e | 0.019 f | 0.043 g | 0.033 i | 0.114 g | 0.095 h | 0.191 f | 0.200 a | |||
连粳7号 Lianjing 7 | 0.021 f | 0.020 f | 0.056 f | 0.084 e | 0.204 e | 0.212 d | 0.250 d | 0.161 d | |||
镇稻88 Zhendao 88 | 0.026 cd | 0.026 cd | 0.058 f | 0.051 g | 0.206 e | 0.182 e | 0.354 c | 0.181 b |
表11 不同生育期不同磷处理下各品种根干质量
Table 11. Root dry weight of different cultivars under different phosphorus treatments.
品 种 Cultivar | 分蘖中期 Mid-tillering/(kg·m-2) | 穗分化始期 Panicle differentiation/(kg·m-2) | 抽穗期 Heading date/(kg·m-2) | 成熟期 Maturity stage/(kg·m-2) | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | ||||
甬优2640 Yongyou 2640 | 0.029 b | 0.038 a | 0.100 d | 0.070 f | 0.318 b | 0.305 a | 0.438 a | 0.265 a | |||
桂花球 Guihuaqiu | 0.027 c | 0.030 b | 0.096 d | 0.121 c | 0.370 a | 0.261 b | 0.166 g | 0.115 e | |||
盐粳2号 Yanjing 2 | 0.029 b | 0.024 e | 0.146 b | 0.135 b | 0.198 e | 0.216 d | 0.383 b | 0.158 d | |||
金南风 Jinnanfeng | 0.022 ef | 0.026 cd | 0.099 d | 0.099 d | 0.220 d | 0.182 e | 0.195 e | 0.100 f | |||
桂花黄 Guihuahuang | 0.035 a | 0.025 de | 0.174 a | 0.142 b | 0.338 ab | 0.262 b | 0.189 f | 0.173 c | |||
泗稻8号 Sidao 8 | 0.034 a | 0.027 c | 0.059 f | 0.071 f | 0.178 f | 0.170 f | 0.200 e | 0.182 b | |||
淮稻5号 Huaidao 5 | 0.027 c | 0.029 b | 0.139 c | 0.190 a | 0.310 b | 0.246 c | 0.143 h | 0.111 e | |||
徐稻2号 Xudao 2 | 0.025 d | 0.025 de | 0.065 e | 0.044 h | 0.269 c | 0.140 g | 0.204 e | 0.181 b | |||
黎明 Liming | 0.023 e | 0.019 f | 0.043 g | 0.033 i | 0.114 g | 0.095 h | 0.191 f | 0.200 a | |||
连粳7号 Lianjing 7 | 0.021 f | 0.020 f | 0.056 f | 0.084 e | 0.204 e | 0.212 d | 0.250 d | 0.161 d | |||
镇稻88 Zhendao 88 | 0.026 cd | 0.026 cd | 0.058 f | 0.051 g | 0.206 e | 0.182 e | 0.354 c | 0.181 b |
品 种 Cultivar | 分蘖中期 Mid-tillering | 穗分化始期 Panicle differentiation | 抽穗期 Heading stage | 成熟期 Maturity stage | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | ||||
甬优2640 Yongyou 2640 | 0.091 d | 0.074 b | 0.228 d | 0.188 c | 0.212 bc | 0.152 ab | 0.151 b | 0.089 a | |||
桂花球 Guihuaqiu | 0.123 bc | 0.064 d | 0.212 d | 0.127 e | 0.243 a | 0.127 cde | 0.051 f | 0.037 h | |||
盐粳2号 Yanjing 2 | 0.142 ab | 0.080 a | 0.25 bc | 0.186 c | 0.167 ef | 0.127 cde | 0.129 c | 0.053 f | |||
金南风 Jinnanfeng | 0.144 a | 0.068 cd | 0.227 d | 0.180 cd | 0.124 h | 0.105 f | 0.102 d | 0.065 d | |||
桂花黄 Guihuahuang | 0.107 cd | 0.075 a | 0.266 b | 0.258 a | 0.196 cd | 0.154 a | 0.080 e | 0.059 e | |||
泗稻8号 Sidao 8 | 0.145 a | 0.068 cd | 0.270 b | 0.165 d | 0.146 g | 0.133 bcd | 0.110 c | 0.063 de | |||
淮稻5号 Huaidao 5 | 0.107 cd | 0.075 a | 0.239 cd | 0.226 b | 0.161 fg | 0.148 ab | 0.101 d | 0.046 g | |||
徐稻2号 Xudao 2 | 0.137 ab | 0.077 a | 0.265 b | 0.135 e | 0.222 b | 0.114 e | 0.116 cd | 0.061 de | |||
黎明 Liming | 0.108 cd | 0.070 bc | 0.320 a | 0.177 c | 0.176 def | 0.121 def | 0.120 cd | 0.086 a | |||
连粳7号 Lianjing 7 | 0.101 d | 0.076 a | 0.233 cd | 0.226 b | 0.182 de | 0.160 a | 0.163 a | 0.072 c | |||
镇稻88 Zhendao 88 | 0.154 a | 0.071 bc | 0.192 d | 0.187 c | 0.219 b | 0.144 abc | 0.126 c | 0.079 b |
表12 不同生育期不同磷处理下各品种根冠比
Table 12. Root and shoot ratio of different cultivars under different phosphorus treatments.
品 种 Cultivar | 分蘖中期 Mid-tillering | 穗分化始期 Panicle differentiation | 抽穗期 Heading stage | 成熟期 Maturity stage | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | ||||
甬优2640 Yongyou 2640 | 0.091 d | 0.074 b | 0.228 d | 0.188 c | 0.212 bc | 0.152 ab | 0.151 b | 0.089 a | |||
桂花球 Guihuaqiu | 0.123 bc | 0.064 d | 0.212 d | 0.127 e | 0.243 a | 0.127 cde | 0.051 f | 0.037 h | |||
盐粳2号 Yanjing 2 | 0.142 ab | 0.080 a | 0.25 bc | 0.186 c | 0.167 ef | 0.127 cde | 0.129 c | 0.053 f | |||
金南风 Jinnanfeng | 0.144 a | 0.068 cd | 0.227 d | 0.180 cd | 0.124 h | 0.105 f | 0.102 d | 0.065 d | |||
桂花黄 Guihuahuang | 0.107 cd | 0.075 a | 0.266 b | 0.258 a | 0.196 cd | 0.154 a | 0.080 e | 0.059 e | |||
泗稻8号 Sidao 8 | 0.145 a | 0.068 cd | 0.270 b | 0.165 d | 0.146 g | 0.133 bcd | 0.110 c | 0.063 de | |||
淮稻5号 Huaidao 5 | 0.107 cd | 0.075 a | 0.239 cd | 0.226 b | 0.161 fg | 0.148 ab | 0.101 d | 0.046 g | |||
徐稻2号 Xudao 2 | 0.137 ab | 0.077 a | 0.265 b | 0.135 e | 0.222 b | 0.114 e | 0.116 cd | 0.061 de | |||
黎明 Liming | 0.108 cd | 0.070 bc | 0.320 a | 0.177 c | 0.176 def | 0.121 def | 0.120 cd | 0.086 a | |||
连粳7号 Lianjing 7 | 0.101 d | 0.076 a | 0.233 cd | 0.226 b | 0.182 de | 0.160 a | 0.163 a | 0.072 c | |||
镇稻88 Zhendao 88 | 0.154 a | 0.071 bc | 0.192 d | 0.187 c | 0.219 b | 0.144 abc | 0.126 c | 0.079 b |
品种 Cultivar | 茎蘖数 Number of stems and tillers per m2 | 茎蘖成穗率 Percentage of productive tillers and main stems/% | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
分蘖中期 Mid-tillering | 穗分化始期 Panicle differentiation | 抽穗期 Heading stage | 成熟期 Maturity stage | |||||||||||
低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | |||||
甬优2640 Yongyou 2640 | 251.11 b | 312.20 e | 266.89 j | 338.39 i | 261.44 i | 304.67 g | 258.28 i | 287.63 g | 96.77 a | 85.00 e | ||||
桂花球 Guihuaqiu | 240.67 c | 358.07 bc | 431.73 e | 532.58 c | 384.16 e | 459.87 c | 355.14 e | 428.51 d | 82.26 d | 80.46 f | ||||
盐粳2号 Yanjing 2 | 205.45 e | 352.20 c | 553.87 c | 447.69 f | 503.47 c | 403.21 e | 481.34 c | 384.49 e | 86.90 c | 85.88 e | ||||
金南风 Jinnanfeng | 281.76 a | 387.42 a | 646.16 b | 594.42 b | 570.21 b | 578.44 b | 522.43 b | 569.39 b | 80.85 d | 95.79 ab | ||||
桂花黄 Guihuahuang | 234.80 cd | 316.98 e | 451.99 d | 474.65 e | 416.65 d | 441.22 d | 405.03 d | 428.72 d | 89.61 bc | 90.32 cd | ||||
泗稻8号 Sidao 8 | 228.93 d | 387.42 a | 366.97 g | 486.07 d | 348.54 f | 459.98 c | 334.59 f | 446.12 c | 91.18 b | 91.78 c | ||||
淮稻5号 Huaidao 5 | 234.80 cd | 292.85 f | 297.75 i | 319.67 j | 285.47 h | 306.86 g | 281.76 h | 299.37 g | 94.63 a | 93.65 bc | ||||
徐稻2号 Xudao 2 | 193.71 f | 334.59 d | 411.89 f | 469.33 e | 374.1 e | 458.88 c | 352.20 e | 457.86 c | 85.51 c | 97.56 a | ||||
黎明 Liming | 135.01 g | 369.81 b | 976.55 a | 824.49 a | 921.31 a | 735.56 a | 795.18 a | 698.53 a | 91.67 b | 84.72 e | ||||
连粳7号 Lianjing 7 | 223.06 d | 322.85 e | 359.65 g | 374.65 h | 327.69 g | 346.54 f | 316.98 g | 331.66 f | 88.14 bc | 88.52 d | ||||
镇稻88 Zhendao 88 | 199.58 ef | 363.94 b | 329.35 h | 425.99 g | 298.65 h | 391.23 e | 284.70 h | 372.75 e | 86.44 c | 87.50 d |
表13 不同生育期不同磷处理下各品种茎蘖数及茎蘖成穗率
Table 13. Number of tillers and the percentage of stem and tiller under different phosphorus treatments at different growth stages.
品种 Cultivar | 茎蘖数 Number of stems and tillers per m2 | 茎蘖成穗率 Percentage of productive tillers and main stems/% | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
分蘖中期 Mid-tillering | 穗分化始期 Panicle differentiation | 抽穗期 Heading stage | 成熟期 Maturity stage | |||||||||||
低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | |||||
甬优2640 Yongyou 2640 | 251.11 b | 312.20 e | 266.89 j | 338.39 i | 261.44 i | 304.67 g | 258.28 i | 287.63 g | 96.77 a | 85.00 e | ||||
桂花球 Guihuaqiu | 240.67 c | 358.07 bc | 431.73 e | 532.58 c | 384.16 e | 459.87 c | 355.14 e | 428.51 d | 82.26 d | 80.46 f | ||||
盐粳2号 Yanjing 2 | 205.45 e | 352.20 c | 553.87 c | 447.69 f | 503.47 c | 403.21 e | 481.34 c | 384.49 e | 86.90 c | 85.88 e | ||||
金南风 Jinnanfeng | 281.76 a | 387.42 a | 646.16 b | 594.42 b | 570.21 b | 578.44 b | 522.43 b | 569.39 b | 80.85 d | 95.79 ab | ||||
桂花黄 Guihuahuang | 234.80 cd | 316.98 e | 451.99 d | 474.65 e | 416.65 d | 441.22 d | 405.03 d | 428.72 d | 89.61 bc | 90.32 cd | ||||
泗稻8号 Sidao 8 | 228.93 d | 387.42 a | 366.97 g | 486.07 d | 348.54 f | 459.98 c | 334.59 f | 446.12 c | 91.18 b | 91.78 c | ||||
淮稻5号 Huaidao 5 | 234.80 cd | 292.85 f | 297.75 i | 319.67 j | 285.47 h | 306.86 g | 281.76 h | 299.37 g | 94.63 a | 93.65 bc | ||||
徐稻2号 Xudao 2 | 193.71 f | 334.59 d | 411.89 f | 469.33 e | 374.1 e | 458.88 c | 352.20 e | 457.86 c | 85.51 c | 97.56 a | ||||
黎明 Liming | 135.01 g | 369.81 b | 976.55 a | 824.49 a | 921.31 a | 735.56 a | 795.18 a | 698.53 a | 91.67 b | 84.72 e | ||||
连粳7号 Lianjing 7 | 223.06 d | 322.85 e | 359.65 g | 374.65 h | 327.69 g | 346.54 f | 316.98 g | 331.66 f | 88.14 bc | 88.52 d | ||||
镇稻88 Zhendao 88 | 199.58 ef | 363.94 b | 329.35 h | 425.99 g | 298.65 h | 391.23 e | 284.70 h | 372.75 e | 86.44 c | 87.50 d |
品种 Cultivar | 分蘖中期 Mid-tillering | 穗分化始期 Panicle differentiation | 抽穗期 Heading stage | 成熟期 Maturity stage | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | ||||
甬优2640 Yongyou 2640 | 0.667 d | 1.868 a | 4.129 a | 4.762 e | 7.250 e | 10.504 d | 3.322 h | 6.211 a | |||
桂花球 Guihuaqiu | 0.680 d | 1.635 b | 2.978 d | 8.392 a | 8.208 c | 11.797 b | 4.143 c | 3.903 g | |||
盐粳2号 Yanjing 2 | 0.689 d | 1.227 f | 3.086 c | 6.146 c | 5.970 f | 12.438 a | 2.775 j | 6.192 a | |||
金南风 Jinnanfeng | 0.533 f | 1.530 c | 3.693 b | 4.803 e | 8.520 b | 10.864 c | 4.203 b | 3.696 h | |||
桂花黄 Guihuahuang | 0.977 a | 1.383 e | 4.138 a | 6.919 b | 9.304 a | 10.449 e | 3.653 f | 3.491 j | |||
泗稻8号 Sidao 8 | 0.834 b | 1.465 d | 2.022 g | 4.625 f | 5.001 h | 8.143 g | 3.484 g | 4.431 e | |||
淮稻5号 Huaidao 5 | 0.771 c | 1.338 e | 3.054 c | 5.573 d | 7.362 d | 9.091 f | 3.794 e | 5.389 b | |||
徐稻2号 Xudao 2 | 0.592 e | 1.493 cd | 2.341 e | 4.078 g | 5.227 g | 7.130 h | 2.967 i | 4.084 f | |||
黎明 Liming | 0.681 d | 1.184 f | 1.345 i | 1.216 j | 3.257 j | 5.111 k | 2.680 k | 3.553 i | |||
连粳7号 Lianjing 7 | 0.614 e | 1.039 g | 1.968 h | 3.519 h | 4.329 i | 6.940 i | 3.997 d | 4.903 d | |||
镇稻88 Zhendao 88 | 0.478 g | 1.211 f | 2.174 f | 2.920 i | 5.255 g | 6.759 j | 5.074 a | 5.148 c |
表14 不同生育期不同磷处理下各品种叶面积指数(LAI)的变化
Table 14. Changes of Leaf Area Index (LAI) at different growth stages under different phosphorus treatments.
品种 Cultivar | 分蘖中期 Mid-tillering | 穗分化始期 Panicle differentiation | 抽穗期 Heading stage | 成熟期 Maturity stage | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | ||||
甬优2640 Yongyou 2640 | 0.667 d | 1.868 a | 4.129 a | 4.762 e | 7.250 e | 10.504 d | 3.322 h | 6.211 a | |||
桂花球 Guihuaqiu | 0.680 d | 1.635 b | 2.978 d | 8.392 a | 8.208 c | 11.797 b | 4.143 c | 3.903 g | |||
盐粳2号 Yanjing 2 | 0.689 d | 1.227 f | 3.086 c | 6.146 c | 5.970 f | 12.438 a | 2.775 j | 6.192 a | |||
金南风 Jinnanfeng | 0.533 f | 1.530 c | 3.693 b | 4.803 e | 8.520 b | 10.864 c | 4.203 b | 3.696 h | |||
桂花黄 Guihuahuang | 0.977 a | 1.383 e | 4.138 a | 6.919 b | 9.304 a | 10.449 e | 3.653 f | 3.491 j | |||
泗稻8号 Sidao 8 | 0.834 b | 1.465 d | 2.022 g | 4.625 f | 5.001 h | 8.143 g | 3.484 g | 4.431 e | |||
淮稻5号 Huaidao 5 | 0.771 c | 1.338 e | 3.054 c | 5.573 d | 7.362 d | 9.091 f | 3.794 e | 5.389 b | |||
徐稻2号 Xudao 2 | 0.592 e | 1.493 cd | 2.341 e | 4.078 g | 5.227 g | 7.130 h | 2.967 i | 4.084 f | |||
黎明 Liming | 0.681 d | 1.184 f | 1.345 i | 1.216 j | 3.257 j | 5.111 k | 2.680 k | 3.553 i | |||
连粳7号 Lianjing 7 | 0.614 e | 1.039 g | 1.968 h | 3.519 h | 4.329 i | 6.940 i | 3.997 d | 4.903 d | |||
镇稻88 Zhendao 88 | 0.478 g | 1.211 f | 2.174 f | 2.920 i | 5.255 g | 6.759 j | 5.074 a | 5.148 c |
品种 Cultivar | 低P(LAI) LP(LAI) | 高效率 High efficiency | 有效率 Efficient | 对照(LAI) Control(LAI) | 高效率 High efficiency | 有效率 Efficient | ||||
---|---|---|---|---|---|---|---|---|---|---|
高效叶 High efficient leaves | 有效叶 Effective leaf | 总叶 Total leaves | 高效叶 High efficient leaves | 有效叶 Effective leaf | 总叶 Total leaves | |||||
甬优2640 Yongyou 2640 | 4.805 b | 7.250 c | 7.250 e | 0.662 a | 1.000 a | 6.399 b | 10.192 d | 10.504 d | 0.609 a | 0.970 b |
桂花球 Guihuaqiu | 3.782 d | 7.893 b | 8.208 c | 0.460 cd | 0.961 b | 6.142 c | 11.797 b | 11.797 b | 0.520 d | 1.000 a |
盐粳2号 Yanjing 2 | 3.570 e | 5.937 e | 5.970 f | 0.597 b | 0.994 a | 6.879 a | 12.438 a | 12.438 a | 0.553 c | 1.000 a |
金南风 Jinnanfeng | 4.977 a | 8.419 a | 8.520 b | 0.584 b | 0.988 a | 6.093 c | 10.864 c | 10.864 c | 0.560 bc | 1.000 a |
桂花黄 Guihuahuang | 4.308 c | 8.438 a | 9.304 a | 0.463 cd | 0.906 c | 4.694 d | 10.031 e | 10.449 e | 0.449 f | 0.960 b |
泗稻8号 Sidao 8 | 2.546 i | 4.901 g | 5.001 h | 0.509 c | 0.979 b | 4.551 e | 7.913 f | 8.143 g | 0.558 bc | 0.971 b |
淮稻5号 Huaidao 5 | 3.227 f | 7.080 d | 7.362 d | 0.438 d | 0.961 b | 3.582 h | 7.739 g | 9.091 f | 0.394 g | 0.851 d |
徐稻2号 Xudao 2 | 3.038 g | 5.140 f | 5.227 g | 0.581 b | 0.983 a | 4.054 f | 7.130 h | 7.130 h | 0.568 bc | 1.000 a |
黎明 Liming | 1.889 k | 2.866 j | 3.257 j | 0.579 b | 0.879 d | 3.220 j | 4.945 k | 5.111 k | 0.629 a | 0.967 b |
连粳7号 Lianjing 7 | 2.406 j | 4.232 i | 4.329 i | 0.555 b | 0.977 b | 4.002 g | 6.409 j | 6.940 i | 0.576 b | 0.923 c |
镇稻88 Zhendao 88 | 2.614 h | 4.466 h | 5.255 g | 0.497 c | 0.849 e | 3.332 i | 6.511 i | 6.759 j | 0.492 e | 0.963 b |
表15 抽穗期不同磷处理下各品种叶面积指数(LAI)的变化
Table 15. Changes of Leaf Area Index (LAI) of different cultivars under different phosphorus treatments at heading stage.
品种 Cultivar | 低P(LAI) LP(LAI) | 高效率 High efficiency | 有效率 Efficient | 对照(LAI) Control(LAI) | 高效率 High efficiency | 有效率 Efficient | ||||
---|---|---|---|---|---|---|---|---|---|---|
高效叶 High efficient leaves | 有效叶 Effective leaf | 总叶 Total leaves | 高效叶 High efficient leaves | 有效叶 Effective leaf | 总叶 Total leaves | |||||
甬优2640 Yongyou 2640 | 4.805 b | 7.250 c | 7.250 e | 0.662 a | 1.000 a | 6.399 b | 10.192 d | 10.504 d | 0.609 a | 0.970 b |
桂花球 Guihuaqiu | 3.782 d | 7.893 b | 8.208 c | 0.460 cd | 0.961 b | 6.142 c | 11.797 b | 11.797 b | 0.520 d | 1.000 a |
盐粳2号 Yanjing 2 | 3.570 e | 5.937 e | 5.970 f | 0.597 b | 0.994 a | 6.879 a | 12.438 a | 12.438 a | 0.553 c | 1.000 a |
金南风 Jinnanfeng | 4.977 a | 8.419 a | 8.520 b | 0.584 b | 0.988 a | 6.093 c | 10.864 c | 10.864 c | 0.560 bc | 1.000 a |
桂花黄 Guihuahuang | 4.308 c | 8.438 a | 9.304 a | 0.463 cd | 0.906 c | 4.694 d | 10.031 e | 10.449 e | 0.449 f | 0.960 b |
泗稻8号 Sidao 8 | 2.546 i | 4.901 g | 5.001 h | 0.509 c | 0.979 b | 4.551 e | 7.913 f | 8.143 g | 0.558 bc | 0.971 b |
淮稻5号 Huaidao 5 | 3.227 f | 7.080 d | 7.362 d | 0.438 d | 0.961 b | 3.582 h | 7.739 g | 9.091 f | 0.394 g | 0.851 d |
徐稻2号 Xudao 2 | 3.038 g | 5.140 f | 5.227 g | 0.581 b | 0.983 a | 4.054 f | 7.130 h | 7.130 h | 0.568 bc | 1.000 a |
黎明 Liming | 1.889 k | 2.866 j | 3.257 j | 0.579 b | 0.879 d | 3.220 j | 4.945 k | 5.111 k | 0.629 a | 0.967 b |
连粳7号 Lianjing 7 | 2.406 j | 4.232 i | 4.329 i | 0.555 b | 0.977 b | 4.002 g | 6.409 j | 6.940 i | 0.576 b | 0.923 c |
镇稻88 Zhendao 88 | 2.614 h | 4.466 h | 5.255 g | 0.497 c | 0.849 e | 3.332 i | 6.511 i | 6.759 j | 0.492 e | 0.963 b |
品种 Cultivar | 库容量 Sink capacity/(kg·m-2) | 最大叶面积 Maximum leaf area/(m2·m-2) | 库源比 Sink/Source/(kg·m-2) | |||||
---|---|---|---|---|---|---|---|---|
低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | |||
甬优2640 Yongyou 2640 | 1.498 a | 1.707 a | 7.250 e | 10.504 d | 0.206 b | 0.162 b | ||
桂花球 Guihuaqiu | 1.207 b | 1.564 b | 8.208 c | 13.797 a | 0.147 fg | 0.113 d | ||
盐粳2号 Yanjing 2 | 0.939 d | 1.001 f | 5.970 f | 12.439 b | 0.157 ef | 0.080 f | ||
金南风 Jinnanfeng | 0.950 d | 1.052 e | 8.520 b | 10.864 c | 0.111 i | 0.096 e | ||
桂花黄 Guihuahuang | 1.200 b | 1.166 d | 9.304 a | 10.449 e | 0.129 h | 0.111 d | ||
泗稻8号 Sidao 8 | 0.852 e | 1.205 d | 5.001 h | 8.143 g | 0.170 d | 0.148 c | ||
淮稻5号 Huaidao 5 | 0.712 h | 1.050 e | 7.362 d | 9.091 f | 0.096 j | 0.115 d | ||
徐稻2号 Xudao 2 | 0.957 d | 1.360 c | 5.227 g | 7.130 h | 0.183 c | 0.190 a | ||
黎明 Liming | 0.781 f | 0.965 f | 3.257 j | 5.111 k | 0.239 a | 0.188 a | ||
连粳7号 Lianjing 7 | 1.041 c | 1.337 c | 4.329 i | 6.940 i | 0.240 a | 0.192 a | ||
镇稻88 Zhendao 88 | 0.742 g | 1.059 e | 5.255 g | 6.759 j | 0.141 g | 0.156 bc |
表16 不同磷处理对各品种库、源及库源比的影响
Table 16. Effects of different phosphorus treatments on sink、source and source/sink ratio of cultivars.
品种 Cultivar | 库容量 Sink capacity/(kg·m-2) | 最大叶面积 Maximum leaf area/(m2·m-2) | 库源比 Sink/Source/(kg·m-2) | |||||
---|---|---|---|---|---|---|---|---|
低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | |||
甬优2640 Yongyou 2640 | 1.498 a | 1.707 a | 7.250 e | 10.504 d | 0.206 b | 0.162 b | ||
桂花球 Guihuaqiu | 1.207 b | 1.564 b | 8.208 c | 13.797 a | 0.147 fg | 0.113 d | ||
盐粳2号 Yanjing 2 | 0.939 d | 1.001 f | 5.970 f | 12.439 b | 0.157 ef | 0.080 f | ||
金南风 Jinnanfeng | 0.950 d | 1.052 e | 8.520 b | 10.864 c | 0.111 i | 0.096 e | ||
桂花黄 Guihuahuang | 1.200 b | 1.166 d | 9.304 a | 10.449 e | 0.129 h | 0.111 d | ||
泗稻8号 Sidao 8 | 0.852 e | 1.205 d | 5.001 h | 8.143 g | 0.170 d | 0.148 c | ||
淮稻5号 Huaidao 5 | 0.712 h | 1.050 e | 7.362 d | 9.091 f | 0.096 j | 0.115 d | ||
徐稻2号 Xudao 2 | 0.957 d | 1.360 c | 5.227 g | 7.130 h | 0.183 c | 0.190 a | ||
黎明 Liming | 0.781 f | 0.965 f | 3.257 j | 5.111 k | 0.239 a | 0.188 a | ||
连粳7号 Lianjing 7 | 1.041 c | 1.337 c | 4.329 i | 6.940 i | 0.240 a | 0.192 a | ||
镇稻88 Zhendao 88 | 0.742 g | 1.059 e | 5.255 g | 6.759 j | 0.141 g | 0.156 bc |
品种 Cultivar | NSC对籽粒的贡献率 Contribution of NSC to Grain/% | NSC转运率 NSC transshipment rate/% | |||
---|---|---|---|---|---|
低P LP | 对照 Control | 低P LP | 对照 Control | ||
甬优2640 Yongyou 2640 | 14.851 e | 14.309 c | 53.213 g | 55.266 b | |
桂花球 Guihuaqiu | 9.927 g | 9.529 d | 59.508 e | 54.439 c | |
盐粳2号 Yanjing 2 | 18.417 c | 15.07 b | 55.357 f | 40.893 e | |
金南风 Jinnanfeng | 21.527 b | 7.032 f | 85.046 c | 45.144 d | |
桂花黄 Guihuahuang | 1.621 k | 1.805 i | 12.133 k | 17.354 k | |
泗稻8号 Sidao 8 | 4.902 j | 7.157 e | 27.270 j | 32.409 h | |
淮稻5号 Huaidao 5 | 23.002 a | 20.926 a | 88.314 a | 74.042 a | |
徐稻2号 Xudao 2 | 11.801 f | 4.202 h | 69.559 d | 35.042 g | |
黎明 Liming | 7.226 h | 5.851 g | 38.432 h | 27.967 i | |
连粳7号 Lianjing 7 | 14.956 d | 14.298 c | 87.715 b | 35.851 f | |
镇稻88 Zhendao 88 | 5.216 i | 4.120 h | 29.641 i | 27.016 j |
表17 不同磷处理下各品种茎鞘非结构性碳水化合物(NSC)的运转
Table 17. Transportation of non-structural carbohydrate(NSC) in stem and sheath of different cultivars under different phosphorus treatments.
品种 Cultivar | NSC对籽粒的贡献率 Contribution of NSC to Grain/% | NSC转运率 NSC transshipment rate/% | |||
---|---|---|---|---|---|
低P LP | 对照 Control | 低P LP | 对照 Control | ||
甬优2640 Yongyou 2640 | 14.851 e | 14.309 c | 53.213 g | 55.266 b | |
桂花球 Guihuaqiu | 9.927 g | 9.529 d | 59.508 e | 54.439 c | |
盐粳2号 Yanjing 2 | 18.417 c | 15.07 b | 55.357 f | 40.893 e | |
金南风 Jinnanfeng | 21.527 b | 7.032 f | 85.046 c | 45.144 d | |
桂花黄 Guihuahuang | 1.621 k | 1.805 i | 12.133 k | 17.354 k | |
泗稻8号 Sidao 8 | 4.902 j | 7.157 e | 27.270 j | 32.409 h | |
淮稻5号 Huaidao 5 | 23.002 a | 20.926 a | 88.314 a | 74.042 a | |
徐稻2号 Xudao 2 | 11.801 f | 4.202 h | 69.559 d | 35.042 g | |
黎明 Liming | 7.226 h | 5.851 g | 38.432 h | 27.967 i | |
连粳7号 Lianjing 7 | 14.956 d | 14.298 c | 87.715 b | 35.851 f | |
镇稻88 Zhendao 88 | 5.216 i | 4.120 h | 29.641 i | 27.016 j |
品种 Cultivar | 抽穗期 Heading date/(kg·m-2) | 成熟期 Mature period/(kg·m-2) | |||
---|---|---|---|---|---|
低P LP | 对照 Control | 低P LP | 对照 Control | ||
甬优2640 Yongyou 2640 | 0.345 a | 0.363 a | 0.161 a | 0.162 a | |
桂花球 Guihuaqiu | 0.159 de | 0.173 c | 0.064 d | 0.079 c | |
盐粳2号 Yanjing 2 | 0.280 b | 0.291 b | 0.125 b | 0.172 a | |
金南风 Jinnanfeng | 0.207 cd | 0.122 d | 0.031 ef | 0.067 de | |
桂花黄 Guihuahuang | 0.113 efg | 0.091 d | 0.099 c | 0.075 cd | |
泗稻8号 Sidao 8 | 0.134 ef | 0.201 c | 0.097 c | 0.135 b | |
淮稻5号 Huaidao 5 | 0.242 bc | 0.207 c | 0.028 f | 0.053 e | |
徐稻2号 Xudao 2 | 0.118 efg | 0.117 d | 0.036 ef | 0.076 cd | |
黎明 Liming | 0.082 g | 0.098 d | 0.050 de | 0.071 cde | |
连粳7号 Lianjing 7 | 0.154 e | 0.260 e | 0.018 f | 0.167 a | |
镇稻88 Zhendao 88 | 0.089 fg | 0.122 d | 0.063 d | 0.089 c |
表18 不同磷处理下各品种抽穗期和成熟期茎鞘总糖的积累
Table 18. Accumulation of stem and shept sugar in heading and maturity of different cultivars under different phosphorus treatments.
品种 Cultivar | 抽穗期 Heading date/(kg·m-2) | 成熟期 Mature period/(kg·m-2) | |||
---|---|---|---|---|---|
低P LP | 对照 Control | 低P LP | 对照 Control | ||
甬优2640 Yongyou 2640 | 0.345 a | 0.363 a | 0.161 a | 0.162 a | |
桂花球 Guihuaqiu | 0.159 de | 0.173 c | 0.064 d | 0.079 c | |
盐粳2号 Yanjing 2 | 0.280 b | 0.291 b | 0.125 b | 0.172 a | |
金南风 Jinnanfeng | 0.207 cd | 0.122 d | 0.031 ef | 0.067 de | |
桂花黄 Guihuahuang | 0.113 efg | 0.091 d | 0.099 c | 0.075 cd | |
泗稻8号 Sidao 8 | 0.134 ef | 0.201 c | 0.097 c | 0.135 b | |
淮稻5号 Huaidao 5 | 0.242 bc | 0.207 c | 0.028 f | 0.053 e | |
徐稻2号 Xudao 2 | 0.118 efg | 0.117 d | 0.036 ef | 0.076 cd | |
黎明 Liming | 0.082 g | 0.098 d | 0.050 de | 0.071 cde | |
连粳7号 Lianjing 7 | 0.154 e | 0.260 e | 0.018 f | 0.167 a | |
镇稻88 Zhendao 88 | 0.089 fg | 0.122 d | 0.063 d | 0.089 c |
品种 Cultivar | 分蘖中期 Mid-tillering/(kg·m-2) | 穗分化始期 Panicle differentiation/(kg·m-2) | 抽穗期 Heading stage/(kg·m-2) | 成熟期 Maturity stage/(kg·m-2) | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | ||||
甬优2640 Yongyou 2640 | 0.311 a | 0.514 a | 0.440 c | 0.569 d | 1.502 c | 2.001 a | 2.892 b | 2.962 b | |||
桂花球 Guihuaqiu | 0.217 d | 0.463 b | 0.451 c | 0.954 a | 1.517 c | 2.038 a | 3.219 a | 3.097 a | |||
盐粳2号 Yanjing 2 | 0.202 e | 0.295 g | 0.584 b | 0.724 c | 1.181 e | 1.697 b | 2.952 b | 2.921 bc | |||
金南风 Jinnanfeng | 0.155 h | 0.389 cd | 0.436 c | 0.550 d | 1.768 a | 1.719 b | 1.894 d | 2.530 e | |||
桂花黄 Guihuahuang | 0.324 a | 0.330 f | 0.656 a | 0.550 d | 1.718 b | 1.704 b | 2.344 c | 2.885 cd | |||
泗稻8号 Sidao 8 | 0.236 c | 0.397 c | 0.319 d | 0.430 e | 1.216 d | 1.269 c | 1.808 e | 2.863 d | |||
淮稻5号 Huaidao 5 | 0.250 b | 0.377 d | 0.578 b | 0.840 b | 0.916 h | 1.658 b | 1.406 g | 2.413 f | |||
徐稻2号 Xudao 2 | 0.184 f | 0.325 f | 0.244 e | 0.346 g | 1.211 d | 1.220 c | 1.761 e | 2.925 bc | |||
黎明 Liming | 0.108 i | 0.271 h | 0.133 f | 0.284 h | 0.647 i | 0.779 d | 1.588 f | 2.316 g | |||
连粳7号 Lianjing 7 | 0.212 d | 0.257 h | 0.241e | 0.371 f | 1.116 f | 1.317 c | 1.538 f | 2.243 h | |||
镇稻88 Zhendao 88 | 0.168 g | 0.358 e | 0.302 d | 0.374 f | 0.942 g | 1.259 c | 1.799 e | 2.279 h |
表19 不同生育期不同磷处理下各品种地上部干质量
Table 19. Dry weight of shoots of different cultivars under different growth stages.
品种 Cultivar | 分蘖中期 Mid-tillering/(kg·m-2) | 穗分化始期 Panicle differentiation/(kg·m-2) | 抽穗期 Heading stage/(kg·m-2) | 成熟期 Maturity stage/(kg·m-2) | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | ||||
甬优2640 Yongyou 2640 | 0.311 a | 0.514 a | 0.440 c | 0.569 d | 1.502 c | 2.001 a | 2.892 b | 2.962 b | |||
桂花球 Guihuaqiu | 0.217 d | 0.463 b | 0.451 c | 0.954 a | 1.517 c | 2.038 a | 3.219 a | 3.097 a | |||
盐粳2号 Yanjing 2 | 0.202 e | 0.295 g | 0.584 b | 0.724 c | 1.181 e | 1.697 b | 2.952 b | 2.921 bc | |||
金南风 Jinnanfeng | 0.155 h | 0.389 cd | 0.436 c | 0.550 d | 1.768 a | 1.719 b | 1.894 d | 2.530 e | |||
桂花黄 Guihuahuang | 0.324 a | 0.330 f | 0.656 a | 0.550 d | 1.718 b | 1.704 b | 2.344 c | 2.885 cd | |||
泗稻8号 Sidao 8 | 0.236 c | 0.397 c | 0.319 d | 0.430 e | 1.216 d | 1.269 c | 1.808 e | 2.863 d | |||
淮稻5号 Huaidao 5 | 0.250 b | 0.377 d | 0.578 b | 0.840 b | 0.916 h | 1.658 b | 1.406 g | 2.413 f | |||
徐稻2号 Xudao 2 | 0.184 f | 0.325 f | 0.244 e | 0.346 g | 1.211 d | 1.220 c | 1.761 e | 2.925 bc | |||
黎明 Liming | 0.108 i | 0.271 h | 0.133 f | 0.284 h | 0.647 i | 0.779 d | 1.588 f | 2.316 g | |||
连粳7号 Lianjing 7 | 0.212 d | 0.257 h | 0.241e | 0.371 f | 1.116 f | 1.317 c | 1.538 f | 2.243 h | |||
镇稻88 Zhendao 88 | 0.168 g | 0.358 e | 0.302 d | 0.374 f | 0.942 g | 1.259 c | 1.799 e | 2.279 h |
品种 Cultivar | 不同时期干物质指数 Dry matter index at different times | 抽穗至成熟干物质积累 Heading to mature dry matter accumulation/(kg·m-2) | |||||
---|---|---|---|---|---|---|---|
分蘖中期 Mid-tillering | 穗分化始期 Panicle differentiation | 抽穗期 Heading stage | 成熟期 Maturity stage | 低P LP | 对照 Control | ||
甬优2640 Yongyou 2640 | 0.605 d | 0.773 bc | 0.750 d | 0.976 b | 1.390 c | 0.961 g | |
桂花球 Guihuaqiu | 0.468 f | 0.472 g | 0.744 de | 1.039 a | 1.702 b | 1.059 f | |
盐粳2号 Yanjing 2 | 0.684 c | 0.806 b | 0.695 e | 1.010 ab | 1.771 a | 1.224 d | |
金南风 Jinnanfeng | 0.398 g | 0.792 b | 1.028 a | 0.748 d | 0.126 j | 0.811 h | |
桂花黄 Guihuahuang | 0.981 a | 1.192 a | 1.008 ab | 0.812 e | 0.626 f | 1.181 e | |
泗稻8号 Sidao 8 | 0.594 e | 0.741 cd | 0.958 b | 0.631 e | 0.592 g | 1.594 b | |
淮稻5号 Huaidao 5 | 0.663 c | 0.688 ef | 0.552 f | 0.582 e | 0.490 h | 0.755 i | |
徐稻2号 Xudao 2 | 0.566 d | 0.705 de | 0.992 ab | 0.602 e | 0.550 g | 1.705 a | |
黎明 Liming | 0.398 g | 0.468 g | 0.830 c | 0.478 f | 0.941 d | 1.537 c | |
连粳7号 Lianjing 7 | 0.824 b | 0.649 f | 0.847 c | 0.510 f | 0.422 i | 0.926 g | |
镇稻88 Zhendao 88 | 0.469 f | 0.807 b | 0.748 d | 0.789 cd | 0.857 e | 1.020 f |
表20 不同生育期干物质指数及不同磷处理下抽穗至成熟干物质积累
Table 20. Dry matter index at different growth stages and dry matter accumulation from heading to mature under different phosphorus treatments.
品种 Cultivar | 不同时期干物质指数 Dry matter index at different times | 抽穗至成熟干物质积累 Heading to mature dry matter accumulation/(kg·m-2) | |||||
---|---|---|---|---|---|---|---|
分蘖中期 Mid-tillering | 穗分化始期 Panicle differentiation | 抽穗期 Heading stage | 成熟期 Maturity stage | 低P LP | 对照 Control | ||
甬优2640 Yongyou 2640 | 0.605 d | 0.773 bc | 0.750 d | 0.976 b | 1.390 c | 0.961 g | |
桂花球 Guihuaqiu | 0.468 f | 0.472 g | 0.744 de | 1.039 a | 1.702 b | 1.059 f | |
盐粳2号 Yanjing 2 | 0.684 c | 0.806 b | 0.695 e | 1.010 ab | 1.771 a | 1.224 d | |
金南风 Jinnanfeng | 0.398 g | 0.792 b | 1.028 a | 0.748 d | 0.126 j | 0.811 h | |
桂花黄 Guihuahuang | 0.981 a | 1.192 a | 1.008 ab | 0.812 e | 0.626 f | 1.181 e | |
泗稻8号 Sidao 8 | 0.594 e | 0.741 cd | 0.958 b | 0.631 e | 0.592 g | 1.594 b | |
淮稻5号 Huaidao 5 | 0.663 c | 0.688 ef | 0.552 f | 0.582 e | 0.490 h | 0.755 i | |
徐稻2号 Xudao 2 | 0.566 d | 0.705 de | 0.992 ab | 0.602 e | 0.550 g | 1.705 a | |
黎明 Liming | 0.398 g | 0.468 g | 0.830 c | 0.478 f | 0.941 d | 1.537 c | |
连粳7号 Lianjing 7 | 0.824 b | 0.649 f | 0.847 c | 0.510 f | 0.422 i | 0.926 g | |
镇稻88 Zhendao 88 | 0.469 f | 0.807 b | 0.748 d | 0.789 cd | 0.857 e | 1.020 f |
品种 Cultivar | PTE/% | IPE/(kg kg-1) | PHI/% | |||||
---|---|---|---|---|---|---|---|---|
低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | |||
甬优2640 Yongyou 2640 | 41.25 j | 34.75 h | 283.79 b | 109.53 c | 67.50 f | 49.39 d | ||
桂花球 Guihuaqiu | 64.40 e | 49.65 e | 302.78 a | 91.55 d | 76.82 b | 46.70 e | ||
盐粳2号 Yanjing 2 | 55.90 f | 45.80 f | 149.67 i | 70.73 g | 68.25 f | 46.04 e | ||
金南风 Jinnanfeng | 71.86 d | 81.88 a | 246.11 e | 191.32 a | 70.58 e | 53.16 b | ||
桂花黄 Guihuahuang | 55.25 g | 57.09 d | 260.95 d | 67.69 gh | 52.28 h | 17.20 i | ||
泗稻8号 Sidao 8 | 88.32 a | 65.60 b | 280.42 c | 115.25 b | 60.30 g | 75.65 a | ||
淮稻5号 Huaidao 5 | 74.21 c | 41.17 g | 265.76 d | 65.66 hi | 70.00 e | 42.93 f | ||
徐稻2号 Xudao 2 | 42.09 i | 25.56 j | 204.37 g | 87.13 e | 71.72 d | 50.91 c | ||
黎明 Liming | 19.60 k | 60.95 c | 189.16 h | 62.79 ij | 60.78 g | 47.01 e | ||
连粳7号 Lianjing 7 | 82.17 b | 23.21 k | 218.26 f | 61.75 j | 83.88 a | 24.39 h | ||
镇稻88 Zhendao 88 | 46.90 h | 32.17 i | 104.82 j | 79.15 f | 75.68 c | 40.99 g |
表21 不同磷处理下磷素运转率、磷产谷利用率和磷收获指数
Table 21. Phosphorus operating rate, phosphorus yield utilization and phosphorus harvest index under different phosphorus treatments.
品种 Cultivar | PTE/% | IPE/(kg kg-1) | PHI/% | |||||
---|---|---|---|---|---|---|---|---|
低P LP | 对照 Control | 低P LP | 对照 Control | 低P LP | 对照 Control | |||
甬优2640 Yongyou 2640 | 41.25 j | 34.75 h | 283.79 b | 109.53 c | 67.50 f | 49.39 d | ||
桂花球 Guihuaqiu | 64.40 e | 49.65 e | 302.78 a | 91.55 d | 76.82 b | 46.70 e | ||
盐粳2号 Yanjing 2 | 55.90 f | 45.80 f | 149.67 i | 70.73 g | 68.25 f | 46.04 e | ||
金南风 Jinnanfeng | 71.86 d | 81.88 a | 246.11 e | 191.32 a | 70.58 e | 53.16 b | ||
桂花黄 Guihuahuang | 55.25 g | 57.09 d | 260.95 d | 67.69 gh | 52.28 h | 17.20 i | ||
泗稻8号 Sidao 8 | 88.32 a | 65.60 b | 280.42 c | 115.25 b | 60.30 g | 75.65 a | ||
淮稻5号 Huaidao 5 | 74.21 c | 41.17 g | 265.76 d | 65.66 hi | 70.00 e | 42.93 f | ||
徐稻2号 Xudao 2 | 42.09 i | 25.56 j | 204.37 g | 87.13 e | 71.72 d | 50.91 c | ||
黎明 Liming | 19.60 k | 60.95 c | 189.16 h | 62.79 ij | 60.78 g | 47.01 e | ||
连粳7号 Lianjing 7 | 82.17 b | 23.21 k | 218.26 f | 61.75 j | 83.88 a | 24.39 h | ||
镇稻88 Zhendao 88 | 46.90 h | 32.17 i | 104.82 j | 79.15 f | 75.68 c | 40.99 g |
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