{"title":"Zinc Priming Triggers Osmoregulation to Enhancing Growth of Soybean (Glycine Max L.) Under Salinity","authors":"F. Nowroz, M. Alam, M. Raihan","doi":"10.3329/baj.v25i1.62831","DOIUrl":null,"url":null,"abstract":"Soil salinity is becoming an alarming issue in crop production and increasing trend with a disastrous effect in near future. An experiment was conducted following completely randomized design to investigate the responses of zinc (Zn) priming (0.5 and 1.0 mM ZnSO4· 7H2O) upon exposure to different salt concentrations (50, 100, and 150 mM NaCl) in mitigating salt-induced damages in soybean (Glycine max L.). Results evidenced that shoot and root length, stem diameter, number of branches, number of leaves, and shoot and root biomass was reduced in a dose-dependent manner compared to control seedling. In a contrary, Zn priming resulted in the improvement of the parameters, particularly at a lower dose of salt. Moreover, leaf reduced relative water content and proline content were revived in primed seed in comparison with non-primed stressed plants. These triggers soybean plants' tolerance to salt stress. It was concluded that priming seeds with lower concentration of Zn (0.5 mM) could alleviate the salt stress through improving plant growth characteristics, relative water content while decreasing proline content. \nBangladesh Agron. J. 2022, 25(1): 47-56","PeriodicalId":30957,"journal":{"name":"Bangladesh Agronomy Journal","volume":" ","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2022-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Bangladesh Agronomy Journal","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3329/baj.v25i1.62831","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Soil salinity is becoming an alarming issue in crop production and increasing trend with a disastrous effect in near future. An experiment was conducted following completely randomized design to investigate the responses of zinc (Zn) priming (0.5 and 1.0 mM ZnSO4· 7H2O) upon exposure to different salt concentrations (50, 100, and 150 mM NaCl) in mitigating salt-induced damages in soybean (Glycine max L.). Results evidenced that shoot and root length, stem diameter, number of branches, number of leaves, and shoot and root biomass was reduced in a dose-dependent manner compared to control seedling. In a contrary, Zn priming resulted in the improvement of the parameters, particularly at a lower dose of salt. Moreover, leaf reduced relative water content and proline content were revived in primed seed in comparison with non-primed stressed plants. These triggers soybean plants' tolerance to salt stress. It was concluded that priming seeds with lower concentration of Zn (0.5 mM) could alleviate the salt stress through improving plant growth characteristics, relative water content while decreasing proline content.
Bangladesh Agron. J. 2022, 25(1): 47-56
土壤盐度正成为作物生产中一个令人担忧的问题,并在不久的将来呈上升趋势,产生灾难性影响。采用完全随机设计进行了一项实验,研究了锌(Zn)引发剂(0.5和1.0mM ZnSO4·7H2O)在不同盐浓度(50、100和150mM NaCl)下减轻大豆(Glycine max L.)盐诱导损伤的反应。结果表明,与对照幼苗相比,地上部和根部生物量以剂量依赖的方式减少。相反,锌引发导致参数的改善,特别是在较低剂量的盐下。此外,与未引发胁迫的植物相比,引发种子中叶片减少的相对含水量和脯氨酸含量得以恢复。这些触发了大豆植物对盐胁迫的耐受性。结果表明,用较低浓度的锌(0.5mM)引发种子可以通过改善植物生长特性、相对含水量和降低脯氨酸含量来缓解盐胁迫。孟加拉国Agron。J.2022,25(1):47-56