金属硫酸盐浸种对水稻种子萌发和秧苗镉吸收的影响

doi:10.3969/j.issn.1004-1524.2021.12.01

浙江农业学报 ›› 2021, Vol. 33 ›› Issue (12): 2213-2223.DOI: 10.3969/j.issn.1004-1524.2021.12.01

金属硫酸盐浸种对水稻种子萌发和秧苗镉吸收的影响

董爱琴¹^,²(), 李建国¹, 杨涛¹^,², 陈院华¹^,², 徐昌旭¹^,², 万辉³, 彭志平¹, 谢杰¹^,²^,^*()

1.江西省农业科学院土壤肥料与资源环境研究所,农业农村部长江中下游作物生理生态与耕作重点实验室,国家红壤改良工程技术研究中心,江西南昌 330200
2.井冈山红壤研究所,江西吉安 343016
3.南昌市农产品质量安全检测中心,江西南昌 330009

收稿日期:2021-05-08 出版日期:2021-12-25 发布日期:2022-01-10
作者简介:* 谢杰,E-mail:jerous. xie@outlook.com
董爱琴(1983—),女,河南开封人,硕士,实验师,主要从事受污染耕地安全利用研究。E-mail: aiqin.dong@outlook.com
通讯作者: 谢杰
基金资助:
江西省重点研发计划(20203BBFL63071);江西省现代农业科研协同创新专项(JXXTCXBSJJ004);江西省现代农业科研协同创新专项(JXXTCX201904);国家红壤改良工程技术研究中心开放基金(2020NETRCRSI-14)

Effects of different sulfate soaking agents on seed germination and cadmium uptake of rice seedlings

DONG Aiqin¹^,²(), LI Jianguo¹, YANG Tao¹^,², CHEN Yuanhua¹^,², XU Changxu¹^,², WAN Hui³, PENG Zhiping¹, XIE Jie¹^,²^,^*()

1. Key Laboratory of Crop Ecophysiology and Farming System for the Middle and Lower Reaches of the Yangtze River,Ministry of Agriculture and Rural Affairs, National Engineering and Technology Research Center for Red Soil Improvement, Institute of Soil and Fertilizer & Environmental and Resources, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China
2. Jinggangshan Institute of Red Soil, Ji’an 343016, China
3. Nanchang Agricultural Products Quality and Safety Testing Center, Nanchang 330009, China

Received:2021-05-08 Online:2021-12-25 Published:2022-01-10
Contact: XIE Jie

摘要/Abstract

摘要：

为了解金属硫酸盐浸种对水稻种子萌发和秧苗吸收Cd等元素的影响,以水稻品种五丰优286为试验材料,选择多种浓度的硫酸亚铁(FeSO₄)、硫酸锌(ZnSO₄)和硫酸锰(MnSO₄)作为浸种剂进行室内催芽和水培试验,测定水稻胚根长、胚芽长、发芽率,以及秧苗中的Cd、Mg、B、P、K含量。结果显示,FeSO₄和MnSO₄浸种均可提高水稻的发芽率,促进胚根和胚芽生长,且能有效降低秧苗中的Cd含量;而ZnSO₄浸种对水稻胚根和胚芽的生长表现出明显的抑制作用,且会增加秧苗中的Cd含量。FeSO₄和MnSO₄浸种对水稻秧苗Mg、B、P、K的吸收无明显抑制作用,且FeSO₄浸种对秧苗B的吸收有促进作用。总的来看,FeSO₄和MnSO₄浸种具有较好的降低水稻Cd吸收的应用潜力,值得进一步深入研究。

关键词: 浸种剂, 离子通道, 发芽率, 镉, 养分吸收

Abstract:

To study the effects of sulfate soaking on seed germination and cadmium (Cd) uptake of rice seedlings, rice variety Wufengyou 286 was selected as the test material, and FeSO₄, ZnSO₄, MnSO₄ solutions with various concentrations were used as seed soaking agents in the sprouting and hydroponic experiment. The radicle length, plumule length, germination rate and contents of Cd, Mg, B, P, K in rice seedlings were determined. It was shown that the seed soaking with FeSO₄ or MnSO₄ solution could increase the germination rate of rice, promote the growth of radicle and plumule, and effectively reduce Cd content of rice seedlings. However, the seed soaking with ZnSO₄ solution inhibited the growth of radicle and plumule, and increased Cd content of rice seedlings. The seed soaking with FeSO₄ or MnSO₄solution had no obvious inhibition on the uptake of Mg, B, P, K, and the seed soaking with FeSO₄ solution even could promote B uptake of rice seedlings. In general, the seed soaking with FeSO₄or MnSO₄ solution had application potential for reducing Cd uptake of rice, and was worthy for further research.

Key words: seed soaking agent, ion channel, germination rate, cadmium, nutrient uptake

中图分类号:

S511.041

董爱琴, 李建国, 杨涛, 陈院华, 徐昌旭, 万辉, 彭志平, 谢杰. 金属硫酸盐浸种对水稻种子萌发和秧苗镉吸收的影响[J]. 浙江农业学报, 2021, 33(12): 2213-2223.

DONG Aiqin, LI Jianguo, YANG Tao, CHEN Yuanhua, XU Changxu, WAN Hui, PENG Zhiping, XIE Jie. Effects of different sulfate soaking agents on seed germination and cadmium uptake of rice seedlings[J]. Acta Agriculturae Zhejiangensis, 2021, 33(12): 2213-2223.

图/表 5

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浸种剂 Soaking agent	浓度 Concentration/(mol·L^-1)	胚根长 Radicle length/cm	胚芽长 Plumule length/cm	根芽比 Radicle-plumule ratio
FeSO₄	0	0.88±0.08 e	0.47±0.10 c	1.94±0.30 bcd
	0.05	1.93±0.12 cd	1.17±0.20 ab	1.70±0.35 cde
	0.10	2.00±0.65 cd	1.30±0.48 ab	1.55±0.07 de
	0.15	1.87±0.25 d	1.12±0.19 b	1.69±0.26 cde
	0.20	2.28±0.25 cd	1.53±0.03 a	1.49±0.14 e
	0.25	2.38±0.18 bc	1.30±0.10 ab	1.84±0.12 bcde
	0.30	2.83±0.18 ab	1.40±0.05 ab	2.02±0.10 bc
	0.35	2.87±0.16 ab	1.35±0.15 ab	2.13±0.14 ab
	0.40	3.30±0.09 a	1.36±0.05 ab	2.44±0.16 a
ZnSO₄	0	0.78±0.08 a	0.43±0.07 c	1.81±0.17 a
	0.05	0.51±0.07 b	0.72±0.07 a	0.71±0.09 b
	0.10	0.41±0.08 b	0.68±0.21 ab	0.65±0.25 bc
	0.15	0.29±0.07 c	0.64±0.16 abc	0.45±0.02 cd
	0.20	0.21±0.11 c	0.49±0.04 bc	0.42±0.18 d
	0.25	0.21±0.02 c	0.53±0.06 abc	0.40±0.01 d
	0.30	0.24±0.05 c	0.56±0.08 abc	0.44±0.08 cd
	0.35	0.22±0.04 c	0.61±0.02 abc	0.32±0.05 d
	0.40	0.23±0.03 c	0.54±0.14 abc	0.45±0.17 cd
MnSO₄	0	0.83±0.17 c	0.43±0.09 c	1.93±0.14 a
	0.05	1.16±0.41 bc	0.59±0.17 c	1.94±0.13 a
	0.10	2.43±0.20 a	1.48±0.10 a	1.65±0.21 abc
	0.15	2.02±0.35 a	1.43±0.28 a	1.41±0.03 cd
	0.20	2.23±0.63 a	1.45±0.09 a	1.53±0.36 bcd
	0.25	2.07±0.46 a	1.33±0.19 ab	1.55±0.30 bcd
	0.30	1.90±0.35 a	1.32±0.30 ab	1.46±0.13 cd
	0.35	2.17±0.53 a	1.73±0.35 a	1.24±0.05 d
	0.40	1.80±0.33 ab	0.97±0.21 b	1.87±0.08 ab

浸种剂 Soaking agent	浓度 Concentration/(mol·L^-1)	胚根长 Radicle length/cm	胚芽长 Plumule length/cm	根芽比 Radicle-plumule ratio
FeSO₄	0	0.88±0.08 e	0.47±0.10 c	1.94±0.30 bcd
	0.05	1.93±0.12 cd	1.17±0.20 ab	1.70±0.35 cde
	0.10	2.00±0.65 cd	1.30±0.48 ab	1.55±0.07 de
	0.15	1.87±0.25 d	1.12±0.19 b	1.69±0.26 cde
	0.20	2.28±0.25 cd	1.53±0.03 a	1.49±0.14 e
	0.25	2.38±0.18 bc	1.30±0.10 ab	1.84±0.12 bcde
	0.30	2.83±0.18 ab	1.40±0.05 ab	2.02±0.10 bc
	0.35	2.87±0.16 ab	1.35±0.15 ab	2.13±0.14 ab
	0.40	3.30±0.09 a	1.36±0.05 ab	2.44±0.16 a
ZnSO₄	0	0.78±0.08 a	0.43±0.07 c	1.81±0.17 a
	0.05	0.51±0.07 b	0.72±0.07 a	0.71±0.09 b
	0.10	0.41±0.08 b	0.68±0.21 ab	0.65±0.25 bc
	0.15	0.29±0.07 c	0.64±0.16 abc	0.45±0.02 cd
	0.20	0.21±0.11 c	0.49±0.04 bc	0.42±0.18 d
	0.25	0.21±0.02 c	0.53±0.06 abc	0.40±0.01 d
	0.30	0.24±0.05 c	0.56±0.08 abc	0.44±0.08 cd
	0.35	0.22±0.04 c	0.61±0.02 abc	0.32±0.05 d
	0.40	0.23±0.03 c	0.54±0.14 abc	0.45±0.17 cd
MnSO₄	0	0.83±0.17 c	0.43±0.09 c	1.93±0.14 a
	0.05	1.16±0.41 bc	0.59±0.17 c	1.94±0.13 a
	0.10	2.43±0.20 a	1.48±0.10 a	1.65±0.21 abc
	0.15	2.02±0.35 a	1.43±0.28 a	1.41±0.03 cd
	0.20	2.23±0.63 a	1.45±0.09 a	1.53±0.36 bcd
	0.25	2.07±0.46 a	1.33±0.19 ab	1.55±0.30 bcd
	0.30	1.90±0.35 a	1.32±0.30 ab	1.46±0.13 cd
	0.35	2.17±0.53 a	1.73±0.35 a	1.24±0.05 d
	0.40	1.80±0.33 ab	0.97±0.21 b	1.87±0.08 ab

浸种剂 Soaking agent	浓度 Concentration/(mol·L^-1)	Mg/(g·kg^-1)	B/(mg·kg^-1)	P/(g·kg^-1)	K/(g·kg^-1)
FeSO₄	0	3.53±0.31 bc	40.8±3.6 d	6.08±0.31 ab	23.5±0.8 bc
	0.05	3.80±0.25 ab	47.4±6.1 c	6.20±0.18 ab	25.9±1.3 ab
	0.10	3.35±0.14 c	49.8±4.4 bc	5.67±0.58 b	25.6±1.8 abc
	0.15	3.67±0.14 abc	47.8±2.4 bc	5.89±0.02 ab	25.5±0.8 abc
	0.20	3.94±0.15 a	49.2±4.2 bc	5.80±0.19 ab	25.1±1.7 abc
	0.25	3.38±0.09 c	48.2±1.9 bc	5.87±0.63 ab	22.9±1.5 c
	0.30	3.52±0.28 bc	51.1±4.0 bc	6.04±0.24 ab	24.2±2.2 abc
	0.35	3.45±0.20 bc	55.2±4.6 b	5.91±0.24 ab	23.0±1.5 c
	0.40	3.55±0.17 bc	65.1±2.7 a	6.46±0.17 a	26.5±0.8 a
ZnSO₄	0	3.23±0.22 a	38.6±3.3 a	6.39±0.21 b	24.0±1.4 ab
	0.05	3.13±0.07 ab	37.3±0.8 ab	7.04±0.43 ab	25.6±1.4 a
	0.10	2.92±0.07 bc	32.8±1.2 cd	7.03±0.14 ab	24.1±0.3 ab
	0.15	2.85±0.06 c	33.2±2.4 cd	7.05±0.32 ab	22.4±1.2 b
	0.20	2.96±0.05 bc	33.9±1.0 bcd	6.94±0.19 ab	24.4±1.2 ab
	0.25	2.94±0.09 bc	31.6±0.4 d	6.86±0.07 ab	25.6±0.5 a
	0.30	2.95±0.14 bc	31.7±2.0 d	6.84±0.75 ab	25.0±2.0 a
	0.35	3.02±0.15 abc	36.1±1.5 abc	7.40±0.25 a	26.2±1.9 a
	0.40	3.02±0.19 abc	35.4±3.4 abcd	7.12±0.37 a	25.5±1.4 a
MnSO₄	0	3.16±0.13 bc	42.0±6.6 ab	6.47±0.34 c	29.1±0.7 ab
	0.05	3.02±0.05 c	42.9±4.1 ab	6.52±0.02 bc	27.3±2.2 bc
	0.10	3.02±0.12 c	37.0±1.3 b	6.67±0.15 abc	29.2±1.5 ab
	0.15	3.10±0.25 c	46.2±2.6 a	6.77±0.20 abc	31.6±0.5 a
	0.20	3.02±0.10 c	43.3±2.7 ab	6.58±0.24 bc	26.6±1.2 b
	0.25	3.36±0.11 ab	45.9±4.3 a	6.72±0.20 abc	31.0±2.3 a
	0.30	3.52±0.08 a	48.4±1.5 a	6.76±0.18 abc	26.8±0.7 b
	0.35	3.40±0.08 ab	43.7±2.5 a	7.00±0.24 a	27.7±0.9 b
	0.40	3.05±0.11 c	44.7±1.8 a	6.88±0.10 ab	25.5±0.8 b

浸种剂 Soaking agent	浓度 Concentration/(mol·L^-1)	Mg/(g·kg^-1)	B/(mg·kg^-1)	P/(g·kg^-1)	K/(g·kg^-1)
FeSO₄	0	3.53±0.31 bc	40.8±3.6 d	6.08±0.31 ab	23.5±0.8 bc
	0.05	3.80±0.25 ab	47.4±6.1 c	6.20±0.18 ab	25.9±1.3 ab
	0.10	3.35±0.14 c	49.8±4.4 bc	5.67±0.58 b	25.6±1.8 abc
	0.15	3.67±0.14 abc	47.8±2.4 bc	5.89±0.02 ab	25.5±0.8 abc
	0.20	3.94±0.15 a	49.2±4.2 bc	5.80±0.19 ab	25.1±1.7 abc
	0.25	3.38±0.09 c	48.2±1.9 bc	5.87±0.63 ab	22.9±1.5 c
	0.30	3.52±0.28 bc	51.1±4.0 bc	6.04±0.24 ab	24.2±2.2 abc
	0.35	3.45±0.20 bc	55.2±4.6 b	5.91±0.24 ab	23.0±1.5 c
	0.40	3.55±0.17 bc	65.1±2.7 a	6.46±0.17 a	26.5±0.8 a
ZnSO₄	0	3.23±0.22 a	38.6±3.3 a	6.39±0.21 b	24.0±1.4 ab
	0.05	3.13±0.07 ab	37.3±0.8 ab	7.04±0.43 ab	25.6±1.4 a
	0.10	2.92±0.07 bc	32.8±1.2 cd	7.03±0.14 ab	24.1±0.3 ab
	0.15	2.85±0.06 c	33.2±2.4 cd	7.05±0.32 ab	22.4±1.2 b
	0.20	2.96±0.05 bc	33.9±1.0 bcd	6.94±0.19 ab	24.4±1.2 ab
	0.25	2.94±0.09 bc	31.6±0.4 d	6.86±0.07 ab	25.6±0.5 a
	0.30	2.95±0.14 bc	31.7±2.0 d	6.84±0.75 ab	25.0±2.0 a
	0.35	3.02±0.15 abc	36.1±1.5 abc	7.40±0.25 a	26.2±1.9 a
	0.40	3.02±0.19 abc	35.4±3.4 abcd	7.12±0.37 a	25.5±1.4 a
MnSO₄	0	3.16±0.13 bc	42.0±6.6 ab	6.47±0.34 c	29.1±0.7 ab
	0.05	3.02±0.05 c	42.9±4.1 ab	6.52±0.02 bc	27.3±2.2 bc
	0.10	3.02±0.12 c	37.0±1.3 b	6.67±0.15 abc	29.2±1.5 ab
	0.15	3.10±0.25 c	46.2±2.6 a	6.77±0.20 abc	31.6±0.5 a
	0.20	3.02±0.10 c	43.3±2.7 ab	6.58±0.24 bc	26.6±1.2 b
	0.25	3.36±0.11 ab	45.9±4.3 a	6.72±0.20 abc	31.0±2.3 a
	0.30	3.52±0.08 a	48.4±1.5 a	6.76±0.18 abc	26.8±0.7 b
	0.35	3.40±0.08 ab	43.7±2.5 a	7.00±0.24 a	27.7±0.9 b
	0.40	3.05±0.11 c	44.7±1.8 a	6.88±0.10 ab	25.5±0.8 b

金属硫酸盐浸种对水稻种子萌发和秧苗镉吸收的影响

Effects of different sulfate soaking agents on seed germination and cadmium uptake of rice seedlings

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