中国水稻科学 ›› 2020, Vol. 34 ›› Issue (3): 256-265.DOI: 10.16819/j.1001-7216.2020.9098
孟天瑶1, 葛佳琳2, 张徐彬2, 韦还和2, 周桂生1,*(), 戴其根2,*(
)
收稿日期:
2019-09-02
修回日期:
2019-12-18
出版日期:
2020-05-15
发布日期:
2020-05-10
通讯作者:
周桂生,戴其根
基金资助:
Tianyao MENG1, Jialin GE2, Xubin ZHANG2, Huanhe WEI2, Guisheng ZHOU1,*(), Qigen DAI2,*(
)
Received:
2019-09-02
Revised:
2019-12-18
Online:
2020-05-15
Published:
2020-05-10
Contact:
Guisheng ZHOU, Qigen DAI
摘要:
【目的】基于模型定量描述中熟籼粳杂交稻栽后植株磷素积累动态特征。【方法】以甬优中熟籼粳杂交稻甬优2640和甬优1640为试材,常规粳稻扬粳4038和扬粳4227、杂交籼稻新两优6380和扬两优6号为对照,研究甬优中熟籼粳杂交稻移栽后植株磷素积累特征及比较不同类型品种栽后植株磷素吸收利用特征差异。【结果】籼粳杂交稻产量和成熟期植株磷素积累量均显著高于常规粳稻和杂交籼稻。与常规粳稻和杂交籼稻相比,籼粳杂交稻籽粒吸磷量较高,磷素籽粒生产率则较低。籼粳杂交稻花后叶片磷素转运量低于常规粳稻和杂交籼稻,花后茎鞘磷素转运则介于二者之间。籼粳杂交稻栽后植株磷素积累动态以Gompertz方程拟合较好,常规粳稻和杂交籼稻则以Logistic方程拟合较好。籼粳杂交稻最大磷素积累速率高于常规粳稻和杂交籼稻。籼粳杂交稻、常规粳稻、杂交籼稻达到最大磷素积累速率的时间大致在栽后50~52、59~60和61~63 d。籼粳杂交稻在快增期和缓增期的磷素积累量显著高于常规粳稻和杂交籼稻,渐增期的磷素积累量则低于对照。籼粳杂交稻在快增期和缓增期的磷素积累速率和积累时间均高于常规粳稻和杂交籼稻。【结论】与常规粳稻和杂交籼稻相比,甬优中熟籼粳杂交稻在产量和成熟期植株磷素积累量上均具优势,其磷素积累优势主要体现在快增期和缓增期,这主要是由于在此两阶段较高的磷素积累速率和较长的积累时间。
中图分类号:
孟天瑶, 葛佳琳, 张徐彬, 韦还和, 周桂生, 戴其根. 甬优中熟籼粳杂交稻栽后植株磷素积累特征与模型分析[J]. 中国水稻科学, 2020, 34(3): 256-265.
Tianyao MENG, Jialin GE, Xubin ZHANG, Huanhe WEI, Guisheng ZHOU, Qigen DAI. Phosphorus Accumulation Characteristics of Medium-maturity Yongyou japonica/indica Hybrid Rice After Transplanting and Its Modeling[J]. Chinese Journal OF Rice Science, 2020, 34(3): 256-265.
年份 Year | 品种类型 Variety type | 品种 Variety | 主要生育期 Main growth date (Month-day) | 全生育期天数 Whole growth duration/d | |||
---|---|---|---|---|---|---|---|
播种期 Sowing date | 拔节期 Jointing date | 抽穗期 Heading date | 成熟期 Maturity date | ||||
2015 | 中熟籼粳杂交稻 MJIH | 甬优2640 Yongyou 2640 | 05-23 | 07-20 | 08-21 | 10-20 | 150 |
甬优1640 Yongyou 1640 | 05-23 | 07-20 | 08-22 | 10-21 | 151 | ||
常规粳稻 JC | 扬粳4038 Yangjing 4038 | 05-23 | 07-26 | 08-25 | 10-18 | 148 | |
扬粳4227 Yangjing 4227 | 05-23 | 07-26 | 08-25 | 10-19 | 149 | ||
杂交籼稻 IH | 扬两优6号 Yangliangyou 6 | 05-23 | 07-30 | 08-27 | 10-17 | 147 | |
新两优6380 Xinliangyou 6380 | 05-23 | 07-30 | 08-26 | 10-17 | 147 | ||
2016 | 中熟籼粳杂交稻 MJIH | 甬优2640 Yongyou 2640 | 05-23 | 07-19 | 08-21 | 10-20 | 150 |
甬优1640 Yongyou 1640 | 05-23 | 07-20 | 08-21 | 10-20 | 150 | ||
常规粳稻 JC | 扬粳4038 Yangjing 4038 | 05-23 | 07-27 | 08-26 | 10-19 | 149 | |
扬粳4227 Yangjing 4227 | 05-23 | 07-27 | 08-25 | 10-18 | 148 | ||
杂交籼稻 IH | 扬两优6号 Yangliangyou 6 | 05-23 | 07-30 | 08-26 | 10-17 | 147 | |
新两优6380 Xinliangyou 6380 | 05-23 | 07-30 | 08-27 | 10-17 | 147 |
表1 供试水稻各品种关键生育期信息
Table 1 Key information on growth duration of tested varieties in this study.
年份 Year | 品种类型 Variety type | 品种 Variety | 主要生育期 Main growth date (Month-day) | 全生育期天数 Whole growth duration/d | |||
---|---|---|---|---|---|---|---|
播种期 Sowing date | 拔节期 Jointing date | 抽穗期 Heading date | 成熟期 Maturity date | ||||
2015 | 中熟籼粳杂交稻 MJIH | 甬优2640 Yongyou 2640 | 05-23 | 07-20 | 08-21 | 10-20 | 150 |
甬优1640 Yongyou 1640 | 05-23 | 07-20 | 08-22 | 10-21 | 151 | ||
常规粳稻 JC | 扬粳4038 Yangjing 4038 | 05-23 | 07-26 | 08-25 | 10-18 | 148 | |
扬粳4227 Yangjing 4227 | 05-23 | 07-26 | 08-25 | 10-19 | 149 | ||
杂交籼稻 IH | 扬两优6号 Yangliangyou 6 | 05-23 | 07-30 | 08-27 | 10-17 | 147 | |
新两优6380 Xinliangyou 6380 | 05-23 | 07-30 | 08-26 | 10-17 | 147 | ||
2016 | 中熟籼粳杂交稻 MJIH | 甬优2640 Yongyou 2640 | 05-23 | 07-19 | 08-21 | 10-20 | 150 |
甬优1640 Yongyou 1640 | 05-23 | 07-20 | 08-21 | 10-20 | 150 | ||
常规粳稻 JC | 扬粳4038 Yangjing 4038 | 05-23 | 07-27 | 08-26 | 10-19 | 149 | |
扬粳4227 Yangjing 4227 | 05-23 | 07-27 | 08-25 | 10-18 | 148 | ||
杂交籼稻 IH | 扬两优6号 Yangliangyou 6 | 05-23 | 07-30 | 08-26 | 10-17 | 147 | |
新两优6380 Xinliangyou 6380 | 05-23 | 07-30 | 08-27 | 10-17 | 147 |
年份 Year | 品种类型 Variety type | 品种 Variety | 产量 Grain yield /(t·hm–2) | 干物质量 Total biomass accumulation /(t·hm–2) | 成熟期植株含磷率 Phosphorus content in plants at maturity/% | 总吸磷量 Total phosphorus accumulation /(kg·hm–2) | 磷素籽粒生产率 Phosphorus grain productivity /(kg·kg–1) | 籽粒吸磷量 Grain phosphorus uptake /(kg·kg–1) |
---|---|---|---|---|---|---|---|---|
2015 | 中熟籼粳杂交稻 MJIH | 甬优2640 Yongyou 2640 | 11.6 a | 21.1 a | 0.36 a | 75.8 a | 153.8 b | 0.0065 a |
甬优1640 Yongyou 1640 | 11.6 a | 21.3 a | 0.35 a | 74.2 a | 156.3 b | 0.0064 a | ||
平均 Mean | 11.6 a | 21.2 a | 0.35 a | 75.0 a | 155.0 b | 0.0065 a | ||
常规粳稻 JC | 扬粳4038 Yangjing 4038 | 10.7 b | 18.5 b | 0.33 a | 61.9 b | 172.9 a | 0.0058 b | |
扬粳4227 Yangjing 4227 | 10.7 b | 18.3 b | 0.34 a | 62.9 b | 169.5 ab | 0.0059 b | ||
平均 Mean | 10.7 b | 18.4 b | 0.34 a | 62.4 b | 171.2 ab | 0.0059 b | ||
杂交籼稻 IH | 扬两优6号 Yangliangyou 6 | 10.1 c | 16.9 c | 0.34 a | 57.8 c | 174.7 a | 0.0057 b | |
新两优6380 Xinliangyou 6380 | 9.9 c | 17.2 c | 0.33 a | 57.2 c | 173.1 a | 0.0058 b | ||
平均 Mean | 10.0 c | 17.1 c | 0.34 a | 57.5 c | 173.9 a | 0.0058 b | ||
2016 | 中熟籼粳杂交稻 MJIH | 甬优2640 Yongyou 2640 | 11.7 a | 21.3 a | 0.36 a | 76.3 a | 153.8 b | 0.0065 a |
甬优1640 Yongyou 1640 | 11.7 a | 20.8 a | 0.36 a | 75.3 a | 156.3 b | 0.0064 a | ||
平均 Mean | 11.7 a | 21.1 a | 0.36 a | 75.8 a | 155.0 b | 0.0065 a | ||
常规粳稻 JC | 扬粳4038 Yangjing 4038 | 10.6 bc | 18.2 b | 0.33 a | 60.4 b | 175.5 a | 0.0057 b | |
扬粳4227 Yangjing 4227 | 10.9 b | 18.4 b | 0.35 a | 63.5 b | 172.4 | 0.0058 b | ||
平均 Mean | 10.8 b | 18.3 b | 0.34 a | 62.0 b | 174.0 a | 0.0058 b | ||
杂交籼稻 IH | 扬两优6号 Yangliangyou 6 | 10.1 c | 17.1 c | 0.34 a | 58.9 c | 171.5 ab | 0.0058 b | |
新两优6380 Xinliangyou 6380 | 9.9 c | 16.7 c | 0.34 a | 56.9 c | 174.0 a | 0.0057 b | ||
平均 Mean | 10.0 c | 16.9 c | 0.34 a | 57.9 c | 172.7 ab | 0.0058 b |
表2 供试品种产量、成熟期干物质量、磷素吸收量及利用率
Table 2 Grain yield, biomass and phosphorus accumulation, and its use efficiency at maturity of tested varieties.
年份 Year | 品种类型 Variety type | 品种 Variety | 产量 Grain yield /(t·hm–2) | 干物质量 Total biomass accumulation /(t·hm–2) | 成熟期植株含磷率 Phosphorus content in plants at maturity/% | 总吸磷量 Total phosphorus accumulation /(kg·hm–2) | 磷素籽粒生产率 Phosphorus grain productivity /(kg·kg–1) | 籽粒吸磷量 Grain phosphorus uptake /(kg·kg–1) |
---|---|---|---|---|---|---|---|---|
2015 | 中熟籼粳杂交稻 MJIH | 甬优2640 Yongyou 2640 | 11.6 a | 21.1 a | 0.36 a | 75.8 a | 153.8 b | 0.0065 a |
甬优1640 Yongyou 1640 | 11.6 a | 21.3 a | 0.35 a | 74.2 a | 156.3 b | 0.0064 a | ||
平均 Mean | 11.6 a | 21.2 a | 0.35 a | 75.0 a | 155.0 b | 0.0065 a | ||
常规粳稻 JC | 扬粳4038 Yangjing 4038 | 10.7 b | 18.5 b | 0.33 a | 61.9 b | 172.9 a | 0.0058 b | |
扬粳4227 Yangjing 4227 | 10.7 b | 18.3 b | 0.34 a | 62.9 b | 169.5 ab | 0.0059 b | ||
平均 Mean | 10.7 b | 18.4 b | 0.34 a | 62.4 b | 171.2 ab | 0.0059 b | ||
杂交籼稻 IH | 扬两优6号 Yangliangyou 6 | 10.1 c | 16.9 c | 0.34 a | 57.8 c | 174.7 a | 0.0057 b | |
新两优6380 Xinliangyou 6380 | 9.9 c | 17.2 c | 0.33 a | 57.2 c | 173.1 a | 0.0058 b | ||
平均 Mean | 10.0 c | 17.1 c | 0.34 a | 57.5 c | 173.9 a | 0.0058 b | ||
2016 | 中熟籼粳杂交稻 MJIH | 甬优2640 Yongyou 2640 | 11.7 a | 21.3 a | 0.36 a | 76.3 a | 153.8 b | 0.0065 a |
甬优1640 Yongyou 1640 | 11.7 a | 20.8 a | 0.36 a | 75.3 a | 156.3 b | 0.0064 a | ||
平均 Mean | 11.7 a | 21.1 a | 0.36 a | 75.8 a | 155.0 b | 0.0065 a | ||
常规粳稻 JC | 扬粳4038 Yangjing 4038 | 10.6 bc | 18.2 b | 0.33 a | 60.4 b | 175.5 a | 0.0057 b | |
扬粳4227 Yangjing 4227 | 10.9 b | 18.4 b | 0.35 a | 63.5 b | 172.4 | 0.0058 b | ||
平均 Mean | 10.8 b | 18.3 b | 0.34 a | 62.0 b | 174.0 a | 0.0058 b | ||
杂交籼稻 IH | 扬两优6号 Yangliangyou 6 | 10.1 c | 17.1 c | 0.34 a | 58.9 c | 171.5 ab | 0.0058 b | |
新两优6380 Xinliangyou 6380 | 9.9 c | 16.7 c | 0.34 a | 56.9 c | 174.0 a | 0.0057 b | ||
平均 Mean | 10.0 c | 16.9 c | 0.34 a | 57.9 c | 172.7 ab | 0.0058 b |
品种类型 Variety type | 品种 Variety | 拔节期Jointing | 抽穗期Heading | 成熟期Maturity | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
叶 Leaf | 茎鞘 Stem | 叶 Leaf | 茎鞘 Stem | 穗 Panicle | 叶 Leaf | 茎鞘 Stem | 穗 Panicle | ||||
中熟籼粳杂交稻 MJIH | 甬优2640 Yongyou 2640 | 5.5 a | 10.2 a | 8.4 b | 26.8 | 7.7 a | 2.0 a | 5.8 b | 68.6 a | ||
甬优1640 Yongyou 1640 | 5.7 a | 9.7 a | 8.4 b | 20.4 | 8.3 a | 2.0 a | 5.3 b | 68.0 a | |||
平均 Mean | 5.6 a | 9.9 a | 8.4 b | 23.6 a | 8.0 a | 2.0 a | 5.5 b | 68.3 a | |||
常规粳稻 JC | 扬粳4038 Yangjing 4038 | 4.2 ab | 5.8 b | 9.2 ab | 20.6 | 6.6 b | 1.9 a | 10.3 a | 48.2 b | ||
扬粳4227 Yangjing 4227 | 3.7 b | 5.8 b | 8.6 ab | 19.9 | 7.0 b | 2.0 a | 11.0 a | 50.5 b | |||
平均 Mean | 3.9 ab | 5.8 b | 8.9 ab | 20.3 b | 6.8 b | 2.0 a | 10.7 a | 49.3 b | |||
杂交籼稻 IH | 扬两优6号 Yangliangyou 6 | 4.0 ab | 6.2 b | 9.4 a | 22.0 | 7.2 ab | 2.1 a | 12.2 a | 44.6 c | ||
新两优6380 Xinliangyou 6380 | 2.8 b | 5.9 b | 10.6 a | 26.2 | 7.4 ab | 1.8 a | 8.9 ab | 46.2 c | |||
平均 Mean | 3.4 b | 6.0 b | 10.0 a | 24.1 a | 7.3 ab | 2.0 a | 10.5 a | 45.4 c |
表3 供试品种主要生育期各器官磷素吸收量 (2016)
Table 3 Phosphorus absorption in each organ at growth stages of the tested varieties (2016).
品种类型 Variety type | 品种 Variety | 拔节期Jointing | 抽穗期Heading | 成熟期Maturity | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
叶 Leaf | 茎鞘 Stem | 叶 Leaf | 茎鞘 Stem | 穗 Panicle | 叶 Leaf | 茎鞘 Stem | 穗 Panicle | ||||
中熟籼粳杂交稻 MJIH | 甬优2640 Yongyou 2640 | 5.5 a | 10.2 a | 8.4 b | 26.8 | 7.7 a | 2.0 a | 5.8 b | 68.6 a | ||
甬优1640 Yongyou 1640 | 5.7 a | 9.7 a | 8.4 b | 20.4 | 8.3 a | 2.0 a | 5.3 b | 68.0 a | |||
平均 Mean | 5.6 a | 9.9 a | 8.4 b | 23.6 a | 8.0 a | 2.0 a | 5.5 b | 68.3 a | |||
常规粳稻 JC | 扬粳4038 Yangjing 4038 | 4.2 ab | 5.8 b | 9.2 ab | 20.6 | 6.6 b | 1.9 a | 10.3 a | 48.2 b | ||
扬粳4227 Yangjing 4227 | 3.7 b | 5.8 b | 8.6 ab | 19.9 | 7.0 b | 2.0 a | 11.0 a | 50.5 b | |||
平均 Mean | 3.9 ab | 5.8 b | 8.9 ab | 20.3 b | 6.8 b | 2.0 a | 10.7 a | 49.3 b | |||
杂交籼稻 IH | 扬两优6号 Yangliangyou 6 | 4.0 ab | 6.2 b | 9.4 a | 22.0 | 7.2 ab | 2.1 a | 12.2 a | 44.6 c | ||
新两优6380 Xinliangyou 6380 | 2.8 b | 5.9 b | 10.6 a | 26.2 | 7.4 ab | 1.8 a | 8.9 ab | 46.2 c | |||
平均 Mean | 3.4 b | 6.0 b | 10.0 a | 24.1 a | 7.3 ab | 2.0 a | 10.5 a | 45.4 c |
品种类型 Variety type | 品种 Variety | 花后叶片磷素转运量 Phosphorus transportation in leaf after heading/(kg·hm-2) | 花后茎鞘磷素转运量 Phosphorus transportation in stem after heading/(kg·hm-2) |
---|---|---|---|
中熟籼粳杂交稻 MJIH | 甬优2640 Yongyou 2640 | 6.4 c | 21.1 a |
甬优1640 Yongyou 1640 | 6.4 c | 15.1 b | |
平均 Mean | 6.4 c | 18.1 a | |
常规粳稻 JC | 扬粳4038 Yangjing 4038 | 7.3 b | 10.3 c |
扬粳4227 Yangjing 4227 | 6.6 c | 8.9 c | |
平均 Mean | 6.9 b | 9.6 c | |
杂交籼稻 IH | 扬两优6号 Yangliangyou 6 | 7.3 b | 9.8 c |
新两优6380 Xinliangyou 6380 | 8.8 a | 17.3 a | |
平均 Mean | 8.0 a | 13.5 b |
表4 供试品种花后叶片和茎鞘磷素转运量 (2016)
Table 4 Phosphorus transportation in leaf and stem after heading of the tested varieties (2016).
品种类型 Variety type | 品种 Variety | 花后叶片磷素转运量 Phosphorus transportation in leaf after heading/(kg·hm-2) | 花后茎鞘磷素转运量 Phosphorus transportation in stem after heading/(kg·hm-2) |
---|---|---|---|
中熟籼粳杂交稻 MJIH | 甬优2640 Yongyou 2640 | 6.4 c | 21.1 a |
甬优1640 Yongyou 1640 | 6.4 c | 15.1 b | |
平均 Mean | 6.4 c | 18.1 a | |
常规粳稻 JC | 扬粳4038 Yangjing 4038 | 7.3 b | 10.3 c |
扬粳4227 Yangjing 4227 | 6.6 c | 8.9 c | |
平均 Mean | 6.9 b | 9.6 c | |
杂交籼稻 IH | 扬两优6号 Yangliangyou 6 | 7.3 b | 9.8 c |
新两优6380 Xinliangyou 6380 | 8.8 a | 17.3 a | |
平均 Mean | 8.0 a | 13.5 b |
品种类型 Variety type | 品种 Variety | 拟合方程 Stimulated equation |
---|---|---|
中熟籼粳杂交稻 MJIH | 甬优2640 Yongyou 2640 | W=79.84 e-exp(2.22-0.0444t),R2=0.998 |
甬优1640 Yongyou 1640 | W=80.33 e-exp(2.09-0.0398t),R2=0.996 | |
常规粳稻 JC | 扬粳4038 Yangjing 4038 | W=64.03(1+66.41 e-0.0689t)-1,R2=0.994 |
扬粳4227 Yangjing 4227 | W=60.71(1+76.71 e-0.0729t)-1,R2=0.995 | |
杂交籼稻 IH | 扬两优6号 Yangliangyou 6 | W=56.02(1+85.49 e-0.0705t)-1,R2=0.994 |
新两优6380 Xinliangyou 6380 | W=57.19(1+100.46 e-0.0746t)-1,R2=0.992 |
表5 供试品种全生育期磷素积累的拟合方程 (2016)
Table 5 Stimulation equations of phosphorus accumulation during the growth period of the tested varieties (2016).
品种类型 Variety type | 品种 Variety | 拟合方程 Stimulated equation |
---|---|---|
中熟籼粳杂交稻 MJIH | 甬优2640 Yongyou 2640 | W=79.84 e-exp(2.22-0.0444t),R2=0.998 |
甬优1640 Yongyou 1640 | W=80.33 e-exp(2.09-0.0398t),R2=0.996 | |
常规粳稻 JC | 扬粳4038 Yangjing 4038 | W=64.03(1+66.41 e-0.0689t)-1,R2=0.994 |
扬粳4227 Yangjing 4227 | W=60.71(1+76.71 e-0.0729t)-1,R2=0.995 | |
杂交籼稻 IH | 扬两优6号 Yangliangyou 6 | W=56.02(1+85.49 e-0.0705t)-1,R2=0.994 |
新两优6380 Xinliangyou 6380 | W=57.19(1+100.46 e-0.0746t)-1,R2=0.992 |
品种类型 Variety type | 品种 Variety | 最大磷素积累速率Maximum phosphorus accumulation rate/(kg·hm-2 d-1) | 最大磷素积累速率出现时间Time for maximum phosphorus accumulation rate/d |
---|---|---|---|
中熟籼粳杂交稻MJIH | 甬优2640 Yongyou 2640 | 1.3041 | 50.0 |
甬优1640 Yongyou 1640 | 1.1762 | 52.5 | |
平均 Mean | 1.2401 a | 51.3 b | |
常规粳稻 JC | 扬粳4038 Yangjing 4038 | 1.1039 | 60.8 |
扬粳4227 Yangjing 4227 | 1.1065 | 59.5 | |
平均 Mean | 1.1052 b | 60.2 ab | |
杂交籼稻 IH | 扬两优6号 Yangliangyou 6 | 0.9875 | 63.1 |
新两优6380 Xinliangyou 6380 | 1.0671 | 61.8 | |
平均 Mean | 1.0273 c | 62.4 a |
表6 供试品种栽后植株磷素积累参数 (2016)
Table 6 Parameters of phosphorus accumulation during the growth period of the tested varieties (2016).
品种类型 Variety type | 品种 Variety | 最大磷素积累速率Maximum phosphorus accumulation rate/(kg·hm-2 d-1) | 最大磷素积累速率出现时间Time for maximum phosphorus accumulation rate/d |
---|---|---|---|
中熟籼粳杂交稻MJIH | 甬优2640 Yongyou 2640 | 1.3041 | 50.0 |
甬优1640 Yongyou 1640 | 1.1762 | 52.5 | |
平均 Mean | 1.2401 a | 51.3 b | |
常规粳稻 JC | 扬粳4038 Yangjing 4038 | 1.1039 | 60.8 |
扬粳4227 Yangjing 4227 | 1.1065 | 59.5 | |
平均 Mean | 1.1052 b | 60.2 ab | |
杂交籼稻 IH | 扬两优6号 Yangliangyou 6 | 0.9875 | 63.1 |
新两优6380 Xinliangyou 6380 | 1.0671 | 61.8 | |
平均 Mean | 1.0273 c | 62.4 a |
品种类型 Variety type | 品种 Variety | 渐增期 Early stage | 快增期 Middle stage | 缓增期 Late stage | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
天数 Days /d | 平均积累速率 ARPA /(kg·hm-2 d-1) | 磷素积累量 PAA /(kg·hm-2) | 天数 Days /d | 平均积累速率 ARPA /(kg·hm-2 d-1) | 磷素积累量 PAA /(kg·hm-2) | 天数 Days /d | 平均积累速率 ARPA /(kg·hm-2 d-1) | 磷素积累量 PAA /(kg·hm-2) | ||||
中熟籼粳杂交稻MJIH | 甬优2640 Yongyou 2640 | 28.3 | 0.2039 | 5.8 | 43.3 | 1.1230 | 48.6 | 58.3 | 0.3741 | 21.8 | ||
甬优1640 Yongyou 1640 | 28.4 | 0.2051 | 5.8 | 48.3 | 1.0128 | 48.9 | 53.3 | 0.3843 | 20.5 | |||
平均 Mean | 28.4 b | 0.2045 b | 5.8 b | 45.8 a | 1.0679 a | 48.8 a | 55.8 a | 0.3792 a | 21.2 a | |||
常规粳稻 JC | 扬粳4038 Yangjing 4038 | 41.7 | 0.3208 | 13.4 | 38.2 | 0.9679 | 37.0 | 50.1 | 0.2597 | 13.0 | ||
扬粳4227 Yangjing 4227 | 41.5 | 0.3062 | 12.7 | 36.1 | 0.9702 | 35.1 | 52.4 | 0.2389 | 12.5 | |||
平均 Mean | 41.6 ab | 0.3135 a | 13.0 a | 37.2 b | 0.9691 b | 36.0 b | 51.2 b | 0.2493 b | 12.8 b | |||
杂交籼稻 IH | 扬两优6号 Yangliangyou 6 | 44.4 | 0.2646 | 11.8 | 37.4 | 0.8658 | 32.3 | 48.2 | 0.2637 | 12.7 | ||
新两优6380 Xinliangyou 6380 | 44.1 | 0.2724 | 12.0 | 35.3 | 0.9356 | 33.0 | 50.6 | 0.2727 | 13.8 | |||
平均 Mean | 44.3 a | 0.2685 ab | 11.9 ab | 36.3 b | 0.9007 b | 32.7 c | 49.4 b | 0.2682 b | 13.3 b |
表7 供试品种栽后磷素积累渐增、快增、缓增3个阶段的特征 (2016)
Table 7 Characteristics of phosphorus accumulation in the early, middle and late stages during the growth period of the tested varieties (2016).
品种类型 Variety type | 品种 Variety | 渐增期 Early stage | 快增期 Middle stage | 缓增期 Late stage | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
天数 Days /d | 平均积累速率 ARPA /(kg·hm-2 d-1) | 磷素积累量 PAA /(kg·hm-2) | 天数 Days /d | 平均积累速率 ARPA /(kg·hm-2 d-1) | 磷素积累量 PAA /(kg·hm-2) | 天数 Days /d | 平均积累速率 ARPA /(kg·hm-2 d-1) | 磷素积累量 PAA /(kg·hm-2) | ||||
中熟籼粳杂交稻MJIH | 甬优2640 Yongyou 2640 | 28.3 | 0.2039 | 5.8 | 43.3 | 1.1230 | 48.6 | 58.3 | 0.3741 | 21.8 | ||
甬优1640 Yongyou 1640 | 28.4 | 0.2051 | 5.8 | 48.3 | 1.0128 | 48.9 | 53.3 | 0.3843 | 20.5 | |||
平均 Mean | 28.4 b | 0.2045 b | 5.8 b | 45.8 a | 1.0679 a | 48.8 a | 55.8 a | 0.3792 a | 21.2 a | |||
常规粳稻 JC | 扬粳4038 Yangjing 4038 | 41.7 | 0.3208 | 13.4 | 38.2 | 0.9679 | 37.0 | 50.1 | 0.2597 | 13.0 | ||
扬粳4227 Yangjing 4227 | 41.5 | 0.3062 | 12.7 | 36.1 | 0.9702 | 35.1 | 52.4 | 0.2389 | 12.5 | |||
平均 Mean | 41.6 ab | 0.3135 a | 13.0 a | 37.2 b | 0.9691 b | 36.0 b | 51.2 b | 0.2493 b | 12.8 b | |||
杂交籼稻 IH | 扬两优6号 Yangliangyou 6 | 44.4 | 0.2646 | 11.8 | 37.4 | 0.8658 | 32.3 | 48.2 | 0.2637 | 12.7 | ||
新两优6380 Xinliangyou 6380 | 44.1 | 0.2724 | 12.0 | 35.3 | 0.9356 | 33.0 | 50.6 | 0.2727 | 13.8 | |||
平均 Mean | 44.3 a | 0.2685 ab | 11.9 ab | 36.3 b | 0.9007 b | 32.7 c | 49.4 b | 0.2682 b | 13.3 b |
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