叶面喷施阻控剂对常淹水稻田水稻吸收转运镉的影响

doi:10.3969/j.issn.1004-1524.2022.06.15

浙江农业学报 ›› 2022, Vol. 34 ›› Issue (6): 1248-1257.DOI: 10.3969/j.issn.1004-1524.2022.06.15

叶面喷施阻控剂对常淹水稻田水稻吸收转运镉的影响

邰粤鹰^a(), 何腾兵^a^,^b, 陈小然^c, 张旺^a, 黄啸云^a, 刘鸿雁^a, 高珍冉^b^,^*()

a.贵州大学农学院,贵州贵阳 550000
b.贵州大学新农村发展研究院,贵州贵阳 550000
c.贵州大学资源与环境工程学院,贵州贵阳 550000

收稿日期:2021-06-25 出版日期:2022-06-25 发布日期:2022-06-30
通讯作者: 高珍冉
作者简介:*高珍冉,E-mail： zrgao@gzu.edu.cn
邰粤鹰（1995—）,女,贵州台江人,苗族,硕士研究生,研究方向为植物营养学。E-mail： tyyann0714@163.com
基金资助:
国家自然科学基金(42067028);贵州大学博士基金(贵大人基合字〔2019〕39号)

Effects of foliar spraying inhibitor on uptake and translocation of cadmium in rice under flooded paddy field

TAI Yueying^a(), HE Tengbing^a^,^b, CHEN Xiaoran^c, ZHANG Wang^a, HUANG Xiaoyun^a, LIU Hongyan^a, GAO Zhenran^b^,^*()

a. School of Agriculture, Guizhou University, Guiyang 550000, China
b. New Rural Development Institute, Guizhou University, Guiyang 550000, China
c. College of Resources and Environmental Engineering, Guizhou University, Guiyang 550000, China

Received:2021-06-25 Online:2022-06-25 Published:2022-06-30
Contact: GAO Zhenran

摘要/Abstract

摘要：

为探明叶面喷施阻控剂对常淹水镉（Cd）污染稻田水稻吸收转运Cd的影响,采用田间试验,研究CK（无喷施）、ZK1（锰和锌）、ZK2（壳聚糖硒和二氧化硅溶胶）、ZK3（水溶性硅）、ZK4（螯合铁）和ZK5（二氧化硅溶胶）6个处理对水稻吸收转运Cd的影响。结果表明,常淹水条件下,与CK相比：ZK1、ZK2、ZK4处理下,水稻产量显著（P<0.05）提高,增幅在13.08%~44.19%;ZK1~ZK5处理均能显著（P<0.05）提高灌浆期时水稻叶片的相对叶绿素含量,增幅在13.18%~24.42%;ZK1~ZK4处理均能显著（P<0.05）降低糙米中Cd的富集系数,降幅在42.31%~57.69%;ZK1~ZK5处理均能显著（P<0.05）降低Cd从叶到糙米和茎到糙米的转运系数,降幅分别在26.63%~71.28%和26.93%~65.87%;ZK1、ZK2、ZK3处理均能显著（P<0.05）降低糙米中的Cd含量,降幅分别为55.88%、20.59%、17.65%。由此可知,常淹水条件下,叶面喷施含有锰和锌成分的阻控剂,或是含有壳聚糖硒和二氧化硅溶胶成分的阻控剂不但有利于提高水稻产量,还能有效降低糙米中的Cd含量。

关键词: 叶面喷施, 阻控剂, 水稻, 镉, 吸收转运

Abstract:

In this study, a field experiment was conducted to study the effect of foliar application of different inhibitors on the uptake and translocation of cadmium by rice. The treatments included CK (no spraying), ZK1 (manganese and zinc), ZK2 (chitosan selenium and silica sol), ZK3 (water-soluble silicon), ZK4 (chelated iron) and ZK5 (silica sol). The results showed that compared with CK, ZK1, ZK2 and ZK4 treatments significantly (P<0.05) increased rice yield by 13.08%-44.19%; ZK1-ZK5 treatments significantly (P<0.05) increased the relative chlorophyll content of rice by 13.18%-24.42% at the filling stage; ZK1-ZK4 treatments significantly (P<0.05) reduced the enrichment coefficient of Cd in brown rice by 42.31%-57.69%; ZK1-ZK5 treatments significantly (P<0.05) reduced the translocation coefficient of Cd from leaf to brown rice with a decrease of 26.63%-71.28%, and reduced the translocation coefficient of Cd from stem to brown rice with a decrease of 26.93%-65.87%; ZK1, ZK2 and ZK3 treatments significantly (P<0.05) reduced the Cd content in brown rice by 55.88%, 20.59% and 17.65%, respectively. Therefore, with the condition of constant flooding, the inhibitor containing the manganese and zinc, or chitosan selenium and silica sol, is not only conducive to improve the rice yield, but also effective to reduce the content of Cd in brown rice.

Key words: foliar spraying, inhibitor, rice, cadmium, uptake and translocation

中图分类号:

S145.9

邰粤鹰, 何腾兵, 陈小然, 张旺, 黄啸云, 刘鸿雁, 高珍冉. 叶面喷施阻控剂对常淹水稻田水稻吸收转运镉的影响[J]. 浙江农业学报, 2022, 34(6): 1248-1257.

TAI Yueying, HE Tengbing, CHEN Xiaoran, ZHANG Wang, HUANG Xiaoyun, LIU Hongyan, GAO Zhenran. Effects of foliar spraying inhibitor on uptake and translocation of cadmium in rice under flooded paddy field[J]. Acta Agriculturae Zhejiangensis, 2022, 34(6): 1248-1257.

图/表 6

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处理 Treatment	抽穗期 Heading stage	灌浆期 Filling stage	成熟期 Mature stage
CK	87.27±1.16 d	98.97±2.04 bc	107.83±1.89 ab
ZK1	91.70±1.05 c	95.63±0.67 cd	106.80±3.94 b
ZK2	91.70±1.91 c	105.60±2.19 a	110.40±4.27 ab
ZK3	88.83±1.20 d	94.60±1.55 d	107.13±1.86 b
ZK4	97.77±1.88 a	102.87±2.40 ab	113.90±3.21 a
ZK5	95.07±0.51 b	104.00±3.57 a	113.50±2.52 a

处理 Treatment	抽穗期 Heading stage	灌浆期 Filling stage	成熟期 Mature stage
CK	87.27±1.16 d	98.97±2.04 bc	107.83±1.89 ab
ZK1	91.70±1.05 c	95.63±0.67 cd	106.80±3.94 b
ZK2	91.70±1.91 c	105.60±2.19 a	110.40±4.27 ab
ZK3	88.83±1.20 d	94.60±1.55 d	107.13±1.86 b
ZK4	97.77±1.88 a	102.87±2.40 ab	113.90±3.21 a
ZK5	95.07±0.51 b	104.00±3.57 a	113.50±2.52 a

处理 Treatment	产量 Yield/(kg·hm^-2)	穗粒数 Grain number per spike	千粒重 1 000 seed weight/g	结实率 Seed setting rate/%
CK	7 605.0±100.4 d	236±48 b	21.46±0.62 b	91.25±0.02 b
ZK1	8 824.0±118.8 b	307±32 a	21.56±0.16 b	93.21±0.02 b
ZK2	8 599.7±120.0 c	249±30 ab	22.33±1.24 ab	93.26±0.01 b
ZK3	7 185.0±30.8 e	280±32 ab	19.25±0.51 c	87.22±0.02 c
ZK4	10 965.3±62.0 a	243±45 ab	23.68±1.41 a	97.11±0.01 a
ZK5	6 897.0±45.9 f	295±31 ab	19.12±0.88 c	86.75±0.01 c

处理 Treatment	产量 Yield/(kg·hm^-2)	穗粒数 Grain number per spike	千粒重 1 000 seed weight/g	结实率 Seed setting rate/%
CK	7 605.0±100.4 d	236±48 b	21.46±0.62 b	91.25±0.02 b
ZK1	8 824.0±118.8 b	307±32 a	21.56±0.16 b	93.21±0.02 b
ZK2	8 599.7±120.0 c	249±30 ab	22.33±1.24 ab	93.26±0.01 b
ZK3	7 185.0±30.8 e	280±32 ab	19.25±0.51 c	87.22±0.02 c
ZK4	10 965.3±62.0 a	243±45 ab	23.68±1.41 a	97.11±0.01 a
ZK5	6 897.0±45.9 f	295±31 ab	19.12±0.88 c	86.75±0.01 c

处理	根	茎	叶	糙米
Treatment	Root	Stem	Leaf	Brown rice
CK	0.665±0.165 b	0.067±0.017 ab	0.030±0.003 bc	0.026±0.008 a
ZK1	0.748±0.042 b	0.088±0.011 a	0.045±0.004 a	0.011±0.001 c
ZK2	0.623±0.198 bc	0.070±0.033 ab	0.040±0.014 ab	0.013±0.002 c
ZK3	0.430±0.034 c	0.048±0.005 b	0.025±0.001 c	0.013±0.002 c
ZK4	0.663±0.060 b	0.095±0.013 a	0.033±0.004 bc	0.015±0.002 bc
ZK5	0.973±0.030 a	0.094±0.001 a	0.032±0.002 bc	0.020±0.001 ab

叶面喷施阻控剂对常淹水稻田水稻吸收转运镉的影响

Effects of foliar spraying inhibitor on uptake and translocation of cadmium in rice under flooded paddy field

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处理 Treatment	根—茎 Root to stem	根—叶 Root to leaf	茎—叶 Stem to leaf	叶—糙米 Leaf to brown rice	茎—糙米 Stem to brown rice
CK	0.105±0.002 bc	0.047±0.008 b	0.448±0.072 b	0.860±0.222 a	0.375±0.323 a
ZK1	0.117±0.008 b	0.061±0.003 a	0.519±0.035 ab	0.247±0.028 d	0.128±0.014 e
ZK2	0.110±0.016 bc	0.064±0.004 a	0.589±0.058 a	0.322±0.049 cd	0.192±0.047 cd
ZK3	0.110±0.005 bc	0.059±0.005 a	0.537±0.049 a	0.511±0.047 b	0.274±0.030 b
ZK4	0.143±0.008 a	0.050±0.002 b	0.351±0.012 c	0.460±0.059 bc	0.161±0.017 de
ZK5	0.097±0.004 c	0.032±0.002 c	0.340±0.026 c	0.631±0.022 b	0.214±0.016 c

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