[1]范成五,柴冠群,刘桂华,等.叶面喷施硅对辣椒镉阻控效果[J].北方园艺,2021,(23):57-63.[doi:10.11937/bfyy.20211173]
　FAN Chengwu,CHAI Guanqun,LIU Guihua,et al.Effect of Foliar Spraying of Silicon Fertilizer on Cadmium Content Reduction in Pepper[J].Northern Horticulture,2021,(23):57-63.[doi:10.11937/bfyy.20211173]
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叶面喷施硅对辣椒镉阻控效果

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 期数: 2021年23 页码: 57-63 栏目: 出版日期: 2021-12-15
Title:
Effect of Foliar Spraying of Silicon Fertilizer on Cadmium Content Reduction in Pepper
作者:
范成五1; 柴冠群1; 刘桂华1; 罗沐欣键1; 隋岩峰2; 杨帆2
（1.贵州省农业科学院 土壤肥料研究所，贵州 贵阳 550006；2.中低品位磷矿及其共伴生资源高效利用国家重点实验室，贵州 贵阳 550002）
Author(s):
FAN Chengwu1; CHAI Guanqun1; LIU Guihua1; LUO Muxinjian1; SUI Yanfeng2; YANG Fan2
(1.Institute of Soil and Fertilizer,Guizhou Academy of Agricultural Science,Guiyang，Guizhou 550006;2.State Key Laboratory of Efficient Utilization for Low Grade Phosphate Rock and Its Associated Resources,Guiyang，Guizhou 550002)
关键词:
辣椒; 外观品质; 镉含量; 硅含量; 叶面喷施
Keywords:
pepper; exterior quality; cadmium content; silicon content; foliar spraying
DOI:
10.11937/bfyy.20211173
文献标志码:
A
摘要:
以绥阳小米辣为试材，采用水培试验的方法，研究了在50 mg·L-1 Cd胁迫条件下，喷施不同浓度Na2SiO3溶液（0、1、2、3、4 mmol·L-1）对辣椒产量与Cd累积的影响，以期为贵州辣椒绿色安全生产提供参考依据。结果表明：叶面喷施Na2SiO3溶液能够促进辣椒果实发育和产量形成，增加辣椒硅含量，减少Cd的吸收及向地上部转移。与对照（LSi0）相比，叶面喷施4 mmol·L-1Na2SiO3处理（LSi4）辣椒结果率、产量、单果质量与果形指数增幅效果最明显（P<005），增幅分别为5455%、7862%、3077%与3030%；辣椒不同部位Cd含量顺序表现为根>叶>茎>果实，叶面喷施Na2SiO3溶液，各部位硅含量显著增加，Cd含量显著降低，根部Cd含量降低效率最快，叶面喷施Na2SiO3主要作用为通过茎部向下转运Na2SiO3抑制根部吸收Cd，降低各部位Cd含量，LSi4处理辣椒果实Cd含量降幅最明显，为2918%。综合试验结果，叶面喷施Na2SiO3溶液有利于辣椒果实发育、产量形成和Cd含量降低，以4 mmol·L-1的喷施效果最明显。
Abstract:
Taking Suiyang millet pepper as test material,the effects of spraying different concentrations (0,1,2,3,4 mmol·L-1) of Na2SiO3 on the yield and Cd content of pepper were studied by hydroponics,in order to provide technical reference for the green and safe production of pepper in Guizhou.The results showed that spraying a suitable concentration of Na2SiO3 promoted the growth,quality and yield of pepper fruits,increased the Si content of pepper,reduced the absorption of Cd.Compared with the control (LSi0),spraying 4 mmol·L-1 Na2SiO3 (LSi4) had the most significant effect on increasing fruit yield,yield,single fruit weight and fruit shape index (P<005) than other treatments,which were 5455%,7862%,3077% and 3030%,respectively.The order of Cd content in different parts of pepper was as follows,root>leaf>steam>fruit.When Na2SiO3 solution was sprayed on the leaves,the Si content in each part of pepper increased significantly,while the Cd content decreased significantly,and the Cd content in the root decreased the fastest than other parts of pepper.The main effect of spraying Na2SiO3 on leaves of pepper was to inhibit the absorption of Cd in roots and reduce the Cd content in various parts by transporting Na2SiO3 from the stem to the root.The Cd content of pepper fruits treated by LSi4 decreased obviously,which was 2918%.According to the comprehensive test results,spraying Na2SiO3 on pepper leaves were beneficial to the formation of pepper quality and yield,and the spraying treatment of 4 mmol·L-1 had the best effect.

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备注/Memo

第一作者简介：范成五（1977-），男，本科，副研究员，现主要从事农业资源利用与环境等研究工作。E-mail：18985581415@189.cn.责任作者：隋岩峰（1981-），男，硕士，高级工程师，现主要从事氟硅化工等研究工作。E-mail：1223260229@qq.com.基金项目：中低品位磷矿及其共伴生资源高效利用国家重点实验室开放课题基金资助项目（WFKF2020-07）；贵州省科技支撑计划资助项目（黔科合支撑[2018]2338）。收稿日期：2021-03-19

更新日期/Last Update: 2022-03-15